assignment of call option rights

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Trading Options: Understanding Assignment

The options market can seem to have a language of its own. To the average investor, there are likely a number of unfamiliar terms, but for an individual with a short options position—someone who has sold call or put options—there is perhaps no term more important than " assignment "—the fulfilling of the requirements of an options contract.

Options trading carries risk and requires specific approval from an investor's brokerage firm. For information about the inherent risks and characteristics of the options market, refer to the Characteristics and Risks of Standardized Options also known as the Options Disclosure Document (ODD).

When someone buys options to open a new position ("Buy to Open"), they are buying a right —either the right to buy the underlying security at a specified price (the strike price) in the case of a call option, or the right to sell the underlying security in the case of a put option.

On the flip side, when an individual sells, or writes, an option to open a new position ("Sell to Open"), they are accepting an obligation —either an obligation to sell the underlying security at the strike price in the case of a call option or the obligation to buy that security in the case of a put option. When an individual sells options to open a new position, they are said to be "short" those options. The seller does this in exchange for receiving the option's premium from the buyer.

Learn more about  options from FINRA or access free courses like Options 101 at OCC Learning .

American-style options allow the buyer of a contract to exercise at any time during the life of the contract, whereas European-style options can be exercised only during a specified period just prior to expiration. For an investor selling American-style options, one of the risks is that the investor may be called upon at any time during the contract's term to fulfill its obligations. That is, as long as a short options position remains open, the seller may be subject to "assignment" on any day equity markets are open. 

What is assignment?

An option assignment represents the seller's obligation to fulfill the terms of the contract by either selling or buying the underlying security at the exercise price. This obligation is triggered when the buyer of an option contract exercises their right to buy or sell the underlying security.

To ensure fairness in the distribution of American-style and European-style option assignments, the Options Clearing Corporation (OCC), which is the options industry clearing house, has an established process to randomly assign exercise notices to firms with an account that has a short option position. Once a firm receives an assignment, it then assigns this notice to one of its customers who has a short option contract of the same series. This short option contract is selected from a pool of such customers, either at random or by some other procedure specific to the brokerage firm. 

How does an investor know if an option position will be assigned?

While an option seller will always have some level of uncertainty, being assigned may be a somewhat predictable event. Only about 7% of options positions are typically exercised, but that does not imply that investors can expect to be assigned on only 7% of their short positions. Investors may have some, all or none of their short positions assigned.

And while the majority of American-style options exercises (and assignments) happen on or near the contract's expiration, a long options holder can exercise their right at any time, even if the underlying security is halted for trading. Someone may exercise their options early based upon a significant price movement in the underlying security or if shares become difficult to borrow as the result of a pending corporate action such as a buyout or takeover. 

Note: European-style options can only be exercised during a specified period just prior to expiration. In U.S. markets, the majority of options on commodity and index futures are European-style, while options on stocks and exchange-traded funds (ETF) are American-style. So, while SPDR S&P 500, or SPY options, which are options tied to an ETF that tracks the S&P 500, are American-style options, S&P 500 Index options, or SPX options, which are tied to S&P 500 futures contracts, are European-style options.

What happens after an option is assigned?

An investor who is assigned on a short option position is required to meet the terms of the written option contract upon receiving notification of the assignment. In the case of a short equity call, the seller of the option must deliver stock at the strike price and in return receives cash. An investor who doesn't already own the shares will need to acquire and deliver shares in return for cash in the amount of the strike price, multiplied by 100, since each contract represents 100 shares. In the case of a short equity put, the seller of the option is required to purchase the stock at the strike price.

How might an investor's account balance fluctuate after opening a short options position?

It is normal to see an account balance fluctuate after opening a short option position. Investors who have questions or concerns or who do not understand reported trade balances and assets valuations should contact their brokerage firm immediately for an explanation. Please keep in mind that short option positions can incur substantial risk in certain situations.

For example, say XYZ stock is trading at $40 and an investor sells 10 contracts for XYZ July 50 calls at $1.00, collecting a premium of $1,000, since each contract represents 100 shares ($1.00 premium x 10 contracts x 100 shares). Consider what happens if XYZ stock increases to $60, the call is exercised by the option holder and the investor is assigned. Should the investor not own the stock, they must now acquire and deliver 1,000 shares of XYZ at a price of $50 per share. Given the current stock price of $60, the investor's short stock position would result in an unrealized loss of $9,000 (a $10,000 loss from delivering shares $10 below current stock price minus the $1,000 premium collected earlier).

Note: Even if the investor's short call position had not been assigned, the investor's account balance in this example would still be negatively affected—at least until the options expire if they are not exercised. The investor's account position would be updated to reflect the investor's unrealized loss—what they could lose if an option is exercised (and they are assigned) at the current market price. This update does not represent an actual loss (or gain) until the option is actually exercised and the investor is assigned. 

What happens if an investor opened a multi-leg strategy, but one leg is assigned?

American-style option holders have the right to exercise their options position prior to expiration regardless of whether the options are in-, at- or out-of-the-money. Investors can be assigned if any market participant holding calls or puts of the same series submits an exercise notice to their brokerage firm. When one leg is assigned, subsequent action may be required, which could include closing or adjusting the remaining position to avoid potential capital or margin implications resulting from the assignment. These actions may not be attractive and may result in a loss or a less-than-ideal gain.

If an investor's short option is assigned, the investor will be required to perform in accordance with their obligation to purchase or deliver the underlying security, regardless of the overall risk of their position when taking into account other options that may be owned as part of the overall multi-leg strategy. If the investor owns an option that serves to limit the risk of the overall spread position, it is up to the investor to exercise that option or to take other action to limit risk. 

Below are a couple of examples that underscore how important it is for every investor to understand the risks associated with potential assignment during market hours and potentially adverse price movements in afterhours trading.

Example #1: An investor is short March 50 XYZ puts and long March 55 XYZ puts. At the close of business on March expiration, XYZ is priced at $56 per share, and both puts are out of the money, which means they have no intrinsic value. However, due to an unexpected news announcement shortly after the closing bell, the price of XYZ drops to $40 in after-hours trading. This could result in an assignment of the short March 50 puts, requiring the investor to purchase shares of XYZ at $50 per share. The investor would have needed to exercise the long March 55 puts in order to realize the gain on the initial multi-leg position. If the investor did not exercise the March 55 puts, those puts may expire and the investor may be exposed to the loss on the XYZ purchase at $50, a $10 per share loss with XYZ now trading at $40 per share, without receiving the benefit of selling XYZ at $55.

Example #2: An investor is short March 50 XYZ puts and long April 50 XYZ puts. At the close of business on March expiration, XYZ is priced at $45 per share, and the investor is assigned XYZ stock at $50. The investor will now own shares of XYZ at $50, along with the April 50 XYZ puts, which may be exercised at the investor's discretion. If the investor chooses not to exercise the April 50 puts, they will be required to pay for the shares that were assigned to them on the short March 50 XYZ puts until the April 50 puts are exercised or shares are otherwise disposed of.

Note: In either example, the short put position may be assigned prior to expiration at the discretion of the option holder. Investors can check with their brokerage firm regarding their option exercise procedures and cut-off times.

For options-specific questions, you may contact OCC's Investor Education team at [email protected] , via chat on OptionsEducation.org or subscribe to the OIC newsletter . If you have questions about options trading in your brokerage account, we encourage you to contact your brokerage firm. If after doing so you have not resolved the issue or have additional concerns, you can contact FINRA .

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Options Assignment: Navigating the Rights and Obligations

By Tyler Corvin

Ever been blindsided by an unexpected traffic ticket in the mail? 

You knew driving came with its set of potential consequences, yet you took to the road regardless. Suddenly, you’re left with a tangible obligation to pay. This unforeseen shift, where what was once a mere possibility becomes an immediate reality, captures the spirit of options assignment within the vast realm of options trading.

Diving into the details, option assignment serves as the bridge between the abstract realm of rights and the concrete world of duties in this field. It’s that unassuming piece in the machinery that can, without warning, change the entire game – often carrying notable financial repercussions. In a domain where every move has implications, truly grasping option assignment is foundational, ensuring not just survival but genuine success.

Join us in this comprehensive exploration of option assignment, arming traders of all experience levels with the knowledge to sail these intricate seas with assuredness and accuracy.

What you’ll learn

What is Options Assignment?

How options assignment works, identifying option assignment , examples of option assignment, managing and mitigating assignment risks, what option assignment means for individual traders.

• Conclusion 

Dive into the realm of options trading and you’ll find a tapestry of processes and potential. “Options assignment” is one pivotal cog in this intricate machine. To a newcomer, this term might seem a tad daunting. But a step-by-step walk-through can demystify its core.

In its simplest form, options assignment means carrying out the rights specified in an option contract. Holding an option allows a trader the choice to buy or sell a particular asset, but there’s no compulsion. The moment they opt to use this right, that’s when options assignment kicks in.

Think of it this way: You’ve got a ticket (option) to a show (buy or sell an asset). You decide if and when to attend. When you make the move, that transition is the options assignment.

There are two main types of option assignments:

• Call Option Assignment : Triggered when a call option holder exercises their right. The seller of the option then steps into the spotlight, bound to sell the asset at the agreed-upon price.
• Put Option Assignment : Conversely, if a put option holder steps forward, the seller of the put takes the stage. Their role? To buy the asset at the specified rate.

To truly grasp options assignment, one must understand the dance between rights and obligations in options trading.

When a trader buys an option, they’re essentially reserving a right, a possible move. On the other hand, selling an option translates to accepting a duty if the option’s holder chooses to play their card.

Rights with Call Options: Buying a call option grants you a special privilege. You can procure the underlying asset at a set price before the option expires. If you choose to exercise this right, the one who sold you the call gets assigned. Their task? Handing over the asset at that set price.

Obligations with Put Options: Securing a put option empowers you to sell the underlying at a pre-decided rate. Should you exercise this, the put’s seller steps up, committed to buying the asset at the given rate.

Several factors steer the course of options assignment, including intrinsic value, looming expiration dates, and current market vibes. To stay ahead of these influences, many traders utilize option trade alerts for timely insights. And remember, while many options might find buyers, not all see execution. Hence, not every seller will get assigned. For traders, understanding this rhythm is vital, shaping many strategies in options trading. 

In the multifaceted world of options trading, discerning option assignment straddles the line between art and science. While no technique guarantees surefire results, several pointers and signals can wave a flag, hinting at an impending assignment.

In-the-Money Options : A robust sign of a looming assignment is the option’s stance relative to its strike price. “In-the-money” refers to an option’s moneyness , and plays a pivotal role in the behavior of option holders. Deeply in-the-money (ITM) options amplify the odds of assignment. An ITM call option, where the market price of the asset towers above the strike price, encourages the holder to exercise and swiftly offload the asset on the market. Conversely, an ITM put option, where the market price trails significantly behind the strike price, incentivizes the holder to scoop up the asset in the market and then exercise the option to vend it at the loftier strike price.

Expiration’s Shadow: The ticking clock of an expiring option raises the assignment stakes, especially if it remains ITM. Many traders make their move just before the eleventh hour to capitalize on their gains.

Dividend Dates in Focus: Call options inching toward expiry ahead of a dividend date, especially if they’re ITM, stand at an elevated assignment crosshair. Option aficionados might play their call options to pocket the dividend, which they’d bag if they possess the core shares.

Extrinsic Value’s Decline : A diminishing time or extrinsic value of an option elevates its exercise odds. When intrinsic value dominates an option’s worth, a holder might be inclined to cash in on this value.

Volume & Open Interest Dynamics : A sudden surge in trading or a dip in open interest can be telltale signs. Understanding volume’s role is crucial as such fluctuations might hint at traders either hopping in or out, suggesting possible exercises and assignments. 

Navigating the Post-Assignment Terrain

Grasping the ripple effects of option assignment is vital, highlighting the immediate responsibilities and potential paths for both the buyer and seller.

For the Option Seller:

• Call Option Assignment : For a trader who’s sold a call option, assignment means they’re on the hook to hand over the underlying shares at the strike price. If they’re short on shares, a market purchase is in order—potentially at a loss if market prices overshoot the strike.
• Put Option Assignment: Assignment on a peddled put option necessitates the trader to buy the shares at the strike price . If this price overshadows the market rate, losses loom.

For the Option Buyer:

• Call Option Play : Exercising a call lets the buyer snap up shares at the strike price. They can either nestle with them or trade them off.
• Put Option Play: Exercising a put gives the buyer the reins to sell their shares at the strike price. This play often pays off when the market rate is dwarfed by the strike, ensuring a tidy profit on the dispensed shares.

Post-assignment, all involved must be on their toes, knowing what triggers margin calls , especially if caught off-guard by the assignment. Tax implications may also hover, influenced by the trade’s nature and the tenure of the position.

Being savvy about these subtleties and gearing up for possible turns of events can drastically refine one’s journey through the options trading maze. 

Call Option Assignment Scenario

Imagine an investor purchases an Nvidia ( NVDA ) call option at a strike price of $435, hoping that the price of the stock will ascend after finding out that they may be forced to move out of some countries . The option is set to expire in a month. Soon after, not only did NVDA rebound from the news, but they reported very strong quarterly earnings, propelling the stock to $455.

Spotting the favorable trend, the investor opts to wield their right to purchase the stock at the agreed strike price of $435, despite its $455 market value. This initiates the option assignment.

The other investor, having sold the option, must now part with their NVDA shares at $435 apiece. If they’re short on stocks, they’d have to fetch them at the going rate of $455 and let them go at a deficit. The first investor, however, stands at a crossroads: retain the shares in hopes of further gains or swiftly trade them at $455, reaping a neat sum. 

Put Option Assignment Scenario

Let’s visualize an investor who speculates a dip in the share price of V.F. Corporation ( VFC ) after seeing news about an activist investor causing shares to jump almost 14% in a day . To hedge their bets, they secures a put option from another investor at a strike price of $18.50, set to lapse in a month.

Fast forward a week, let’s say VFC divulges lackluster quarterly figures, causing the stock to dive to $10. The first investor, seizing the moment, employs their put option, electing to sell their shares at the $18.50 strike price.

When the assignment bell tolls, the other investor finds himself bound to buy the shares from the first investor at the agreed $18.50, a rate that overshadows the current $10 market value. The first investor thus sidesteps the market slump, securing a favorable sale. The other investor, however, absorbs a loss, acquiring stocks at a premium to their market worth.

The realm of options trading is akin to navigating a dynamic river, demanding a sharp comprehension of the risks that lie beneath its surface. A predominant risk that traders often encounter is assignment risk. When one assumes the role of an option seller, they inherit the duty to honor the contract if the buyer opts to exercise. Grasping the gravity of this can make the difference, underscoring the necessity of adept risk management.

A savvy approach to temper assignment risk is by keeping a vigilant eye on the extrinsic value of options. Generally, options rich in extrinsic value tend to resist early assignment. This resistance emerges as the extrinsic value dwindles when the option dives deeper in-the-money, thereby tempting the holder to exercise.

Furthermore, economic currents, ranging from niche corporate updates to sweeping market tides, can be triggers for option assignments. Staying attuned to these economic ripples equips traders with the vision needed to either tweak or maintain their positions. For example, traders may opt to sidestep selling options that are deeply in-the-money, given their higher susceptibility to assignments due to their shrinking extrinsic value.

Incorporating spread tactics, like vertical spreads  or iron condors, furnishes an added shield. These strategies can dampen the risk of assignment since one part of the spread frequently balances the risk of its counterpart. Should the specter of a short option assignment hover, traders might contemplate ‘rolling out’ their stance. This move entails repurchasing the short option and subsequently selling another, possibly at a varied strike rate or a more distant expiry.

Yet, despite these protective layers, it remains pivotal for traders to brace for possible assignments. Maintaining ample liquidity, be it in capital or necessary shares, can avert unfavorable scenarios like hasty liquidations or stiff margin charges. Engaging regularly with brokers can also shed light, occasionally offering a heads-up on looming assignments.

In conclusion, the bedrock of risk management in options trading is rooted in perpetual learning. As traders hone their craft, their adeptness at forecasting and navigating assignment risks sharpens.

In the intricate world of options trading, option assignments aren’t just nuanced details; they’re pivotal moments with deep-seated implications for individual traders and the health of their portfolios. Beyond the immediate financial aftermath, assignments can reshape trading plans, risk dynamics, and the overarching path of an investor’s journey.

At its core, option assignments can transform a trader’s asset landscape. Consider a trader who’s short on a call option. If they’re assigned, they might be compelled to supply the underlying stock. This can result in a rapid stock outflow from their portfolio or, if they don’t possess the stock, birth a short stock stance. On the flip side, a trader short on a put option who faces assignment may find themselves buying the stock at the strike price, thereby dipping into their cash reserves.

These immediate shifts can generate broader portfolio ripples. An unexpected gain or shedding of stocks can jostle a trader’s asset distribution, veering it off their envisioned path. If, for instance, a trader had charted a particular stock-to-cash distribution or a meticulous diversification blueprint, an option assignment might throw a spanner in the works.

Additionally, assignments can serve as a real-world litmus test for a trader’s risk-handling prowess . A surprise assignment might spark margin calls for those not sufficiently fortified with capital. It stands as a poignant nudge about the essence of ensuring liquidity and safeguarding against the unpredictable whims of the market.

Strategically speaking, recurrent assignments might signal it’s time for traders to recalibrate. Are the options they’re offloading too submerged in-the-money? Have they factored in pivotal market shifts that might heighten early exercise odds? Such reflective moments can pave the way for refining and elevating trading methods. 

In the multifaceted world of options trading, option assignment stands out as both a potential boon and a challenge. Far from being a simple checkbox in the process, its ramifications can mold the contours of a trader’s portfolio and steer long-term tactics. The importance of comprehending and adeptly managing option assignment resonates, whether you’re dipping your toes into options for the first time or weaving through intricate trades with seasoned expertise. 

Furthermore, mastering options trading is about integrating its myriad concepts into a cohesive playbook. Whether it’s differentiating trading strategies like the iron condor from the iron butterfly strategy or delving deep into the nuances of option assignments, each component enriches the narrative of a trader’s odyssey. As markets shift and new hurdles arise, a solid grasp of foundational principles remains an invaluable asset. In this perpetual dance of learning and evolution, may your trading maneuvers always be well-informed, proactive, and adept. 

Understanding Options Assignment: FAQs

What factors influence the likelihood of an option being assigned.

Several factors come into play, including the option’s intrinsic value , the time remaining until expiration, and upcoming dividend announcements. Options that are deep in the money or nearing their expiration date are more likely to be assigned.

Are Some Option Styles More Prone to Assignment than Others?

Absolutely. When considering different option styles , it’s essential to note that American-style options can be exercised at any point before their expiration, which means they face a higher risk of early assignment. In contrast, European-style options can only be exercised at expiration.

How Do Current Market Trends Impact Assignment Risk?

Factors like market volatility, notable price shifts, and external economic happenings can amplify the chances of an option being assigned. For example, an option might be assigned before a company’s ex-dividend date if the expected dividend outweighs the weakening of theta decay .

Can Traders Reverse or Counter the Effects of an Option Assignment?

Once an option has been assigned, it’s set in stone. However, traders can maneuver within the market to balance out the implications of the assignment, such as procuring or selling the underlying asset.

Are There Any Fees Tied to Option Assignments?

Indeed, brokers usually impose a fee for both assignments and exercises. The specific fee can differ depending on the broker, making it essential for traders to understand their brokerage’s charging scheme.

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The Risks of Options Assignment

Any trader holding a short option position should understand the risks of early assignment. An early assignment occurs when a trader is forced to buy or sell stock when the short option is exercised by the long option holder. Understanding how assignment works can help a trader take steps to reduce their potential losses.

Understanding the basics of assignment

An option gives the owner the right but not the obligation to buy or sell stock at a set price. An assignment forces the short options seller to take action. Here are the main actions that can result from an assignment notice:

• Short call assignment: The option seller must sell shares of the underlying stock at the strike price.
• Short put assignment: The option seller must buy shares of the underlying stock at the strike price.

For traders with long options positions, it's possible to choose to exercise the option, buying or selling according to the contract before it expires. With a long call exercise, shares of the underlying stock are bought at the strike price while a long put exercise results in selling shares of the underlying stock at the strike price.

When a trader might get assigned

There are two components to the price of an option: intrinsic 1 and extrinsic 2  value. In the case of exercising an in-the-money 3 (ITM) long call, a trader would buy the stock at the strike price, which is lower than its prevailing price. In the case of a long put that isn't being used as a hedge for a long stock position, the trader shorts the stock for a price higher than its prevailing price. A trader only captures an ITM option's intrinsic value if they sell the stock (after exercising a long call) or buy the stock (after exercising a long put) immediately upon exercise.

Without taking these actions, a trader takes on the risks associated with holding a long or short stock position. The question of whether a short option might be assigned depends on if there's a perceived benefit to a trader exercising a long option that another trader has short. One way to attempt to gauge if an option could be potentially assigned is to consider the associated dividend. An options seller might be more likely to get assigned on a short call for an upcoming ex-dividend if its time value is less than the dividend. It's more likely to get assigned holding a short put if the time value has mostly decayed or if the put is deep ITM and close to expiration with a wide bid/ask spread on the stock.

It's possible to view this information on the Trade page of the thinkorswim ® trading platform. Review past dividends, the price of the short call, and the price of the put at the call's strike price. While past performance cannot be relied upon to continue, this information can help a trader determine whether assignment is more or less likely.

Reducing the risk associated with assignment

If a trader has a covered call that's ITM and it's assigned, the trader will deliver the long stock out of their account to cover the assignment.

A trader with a call vertical spread 4 where both options are ITM and the ex-dividend date is approaching may want to exercise the long option component before the ex-dividend date to have long stock to deliver against the potential assignment of the short call. The trader could also close the ITM call vertical spread before the ex-dividend date. It might be cheaper to pay the fees to close the trade.

Another scenario is a call vertical spread where the ITM option is short and the out-of-the-money (OTM) option is long. In this case, the trader may consider closing the position or rolling it to a further expiration before the ex-dividend date. This move can possibly help the trader avoid having short stock on the ex-dividend date and being liable for the dividend.

Depending on the situation, a trader long an ITM call might decide it's better to close the trade ahead of the ex-dividend date. On the ex-dividend date, the price of the stock drops by the amount of the dividend. The drop in the stock price offsets what a trader would've earned on the dividend and there would still be fees on top of the price of the put.

Assess the risk

When an option is converted to stock through exercise or assignment, the position's risk profile changes. This change could increase the margin requirements, or subject a trader to a margin call, 5 or both. This can happen at or before expiration during early assignment. The exercise of a long option position can be more likely to trigger a margin call since naked short option trades typically carry substantial margin requirements.

Even with early exercise, a trader can still be assigned on a short option any time prior to the option's expiration.

1  The intrinsic value of an options contract is determined based on whether it's in the money if it were to be exercised immediately. It is a measure of the strike price as compared to the underlying security's market price. For a call option, the strike price should be lower than the underlying's market price to have intrinsic value. For a put option the strike price should be higher than underlying's market price to have intrinsic value.

2  The extrinsic value of an options contract is determined by factors other than the price of the underlying security, such as the dividend rate of the underlying, time remaining on the contract, and the volatility of the underlying. Sometimes it's referred to as the time value or premium value.

3  Describes an option with intrinsic value (not just time value). A call option is in the money (ITM) if the underlying asset's price is above the strike price. A put option is ITM if the underlying asset's price is below the strike price. For calls, it's any strike lower than the price of the underlying asset. For puts, it's any strike that's higher.

4  The simultaneous purchase of one call option and sale of another call option at a different strike price, in the same underlying, in the same expiration month.

5  A margin call is issued when the account value drops below the maintenance requirements on a security or securities due to a drop in the market value of a security or when buying power is exceeded. Margin calls may be met by depositing funds, selling stock, or depositing securities. A broker may forcibly liquidate all or part of the account without prior notice, regardless of intent to satisfy a margin call, in the interests of both parties.

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Options carry a high level of risk and are not suitable for all investors. Certain requirements must be met to trade options through Schwab. Please read the options disclosure document titled  Characteristics and Risks of Standardized Options before considering any options transaction. Supporting documentation for any claims or statistical information is available upon request.

With long options, investors may lose 100% of funds invested.

Spread trading must be done in a margin account.

Multiple leg options strategies will involve multiple commissions.

Commissions, taxes and transaction costs are not included in this discussion, but can affect final outcome and should be considered. Please contact a tax advisor for the tax implications involved in these strategies.

The information provided here is for general informational purposes only and should not be considered an individualized recommendation or personalized investment advice. The investment strategies mentioned here may not be suitable for everyone. Each investor needs to review an investment strategy for his or her own particular situation before making any investment decision.

Examples provided are for illustrative purposes only and not intended to be reflective of results you can expect to achieve.

Steps in the assignment process for early exercise

• Decision to exercise Option holders may choose to exercise early when market conditions align, potentially fearing a reversal in stock prices that could erode profits, or wanting to capitalize on an upcoming dividend
• Initial notification The Options Clearing Corporation is informed upon early exercise, randomly assigning a brokerage client who is short a matching option.
• Assignment notification The short option holder is notified by their brokerage about being assigned and is now responsible for meeting the option contract's terms.
• Fulfilling the obligation Option writers must deliver the underlying asset for call options or pay for the underlying asset for put options. This is typically an automated process carried out by brokerages.

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Option Assignment Process

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One of the biggest fears that new options traders have is that they may get assigned. The option assignment process means that the option writer is obligated to deliver on the terms specified in a contract.

For example, if a put option is assigned, the options writer would need to buy the underlying security at the strike price dictated in the contract.

Likewise for a call option, the options write would need to sell the underlying security at the strike price dictated in the contract.

As an options trader you’re usually seeking to make a profit from directional bets or to hedge your portfolio.

You’re rarely, if ever, looking to actually buy or sell the underlying security so being assigned can sound like a scary prospect.

This article will explore the option assignment process so you can understand how it works and how you can prevent yourself getting stuck with buying or selling an underlying security.

When Assignment Occurs

Assignment occurs when an option holder exercises an option. Exercising an option simply means that the option holder executes the terms in the options contract.

So for example if you are holding a call option, you have the right, but not the obligation to buy the underlying security at the agreed strike price.

When you exercise the option, the option holder will need to sell the underlying security at the agreed strike price and for the agreed quantity.

If you’re dealing with European style options, you will know when expiration is possible because they can only be exercised on the expiration date itself.

For American style options, which is what most people trade, options can be exercised at any time before the expiration date.

This means that if you are an options writer of American style options, you could theoretically be asked at any time to comply with the terms of the contract.

Unfortunately, there is no knowing when an assignment will take place.

However, generally options are not exercised prior to expiration as it is usually much more profitable to sell the option instead.

It’s worth noting that this will only happen to you if you’re an options seller. Option buyers can never be assigned.

There are two key steps to assignment and to make it fair, the process of selecting who is assigned is random.

In the first step, the Options Clearing Corporation (OCC) will issue an exercise notice to a randomly selected Clearing Member who maintains an account with the OCC.

In the second step, the Clearing Member then assigns the exercise notice to an individual account.

When You Are Most At Risk

There are several situations that can dramatically increase the risk that you will be assigned:

Situation 1: Your option is In The Money (ITM)

When an option is ITM, an option holder would stand to profit if they exercised the option.

The deeper the option is ITM, the greater the profit for the option holder and therefore the higher risk they may exercise the option and you will be assigned.

Situation 2: The option has an upcoming dividend

An ITM call buyer can profit from exercising an option before its ex-dividend date if the extrinsic value of the call is less than the amount of the dividend.

Situation 3: There is no extrinsic value left

If there is no extrinsic value left, an option buyer could be tempted to exercise the option.

If there is extrinsic value, an option buyer would typically make a bigger profit by selling the option and buying/selling shares of the underlying asset.

How You Can Avoid The Risk Of Being Assigned

There are several steps you can take to avoid, or at the very least minimise, your risk of being assigned.

The first step to consider is avoiding selling any options that have an upcoming dividend.

Before selling any option, first check that the underlying security doesn’t have an upcoming dividend and if it does, consider waiting until after the dividend has occurred (i.e. the stock has gone ex-dividend).

If you do end up selling an option with an upcoming dividend, then the second step to protecting yourself is to close your position early as your risk begins to increase.

For example, if you are short an option with an extrinsic value less than the dividend amount and the ex-dividend of the underlying security is not too far away, close your position.

Otherwise you risk being assigned and being forced to pay the dividend as well!

To completely avoid early assignment risk, you could always sell only European style options which are cash settled at expiration. You can read more that here and here .

The final way to manage your risk is to close positions well before expiration date approaches.

As the time left to expiration decreases, so too does the extrinsic value. For option buyers, it means they could stand to benefit and so there is a risk they may exercise the option.

While this article deals with the process and risks behind being assigned, there will be times when this isn’t an issue for you.

Provided you have enough capital to meet the assignment, you may be fine with being assigned.

If this is the case, you would simply have a new stock position added which you could hold onto or immediately liquidate.

In the event that you don’t have enough capital, your broker will issue you with a margin call and the position should be automatically closed.

As the process of assignment can differ between brokers, its best you contact your broker to check the specific process they use when issuing assignments to individual accounts.

In general, provided you take a few key steps to mitigate your risks, particularly around dividend issuing securities, the chances of assignment are very low.

Trade safe!

Disclaimer: The information above is for  educational purposes only and should not be treated as investment advice . The strategy presented would not be suitable for investors who are not familiar with exchange traded options. Any readers interested in this strategy should do their own research and seek advice from a licensed financial adviser.

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Closed my Oct BB (a few moments ago) for 34% profit…that is the best of the 3 BBs I traded since Gav taught us the strategy…so, the next coffee or beer on me, Gav 🙂

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What is Options Assignment & How to Avoid It

If you are learning about options, assignment might seem like a scary topic. In this article, you will learn why it really isn’t. I will break down the entire options assignment process step by step and show you when you might be assigned, how to minimize the risk of being assigned, and what to do if you are assigned.

Video Breakdown of Options Assignment

Check out the following video in which I explain everything you need to know about assignment:

What is Assignment?

To understand assignment, we must first remember what options allow you to do. So let’s start with a brief recap:

• A call option gives its buyer the right to buy 100 shares of the underlying at the strike price
• A put option gives its buyer the right to sell 100 shares of the underlying at the strike price

In other words, call options allow you to call away shares of the underlying from someone else, whereas a put option allows you to put shares in someone else’s account. Hence the name call and put option.

The assignment process is the selection of the other party of this transaction. So the person that has to buy from or sell to the option buyer that exercised their option.

Note that an option buyer has the right to exercise their option. It is not an obligation and therefore, a buyer of an option can never be assigned. Only option sellers can ever be get assigned since they agree to fulfill this obligation when they sell an option.

Let’s go through a specific example to clarify this:

• The underlying security is stock ABC and it is trading at $100.
• Peter decides to buy 1 put option with a strike price of 95 as a hedge for his long stock position in ABC
• Kate sells this exact same option at the same time.

Over the next few weeks, ABC’s price goes down to $90 and Peter decides to exercise his put option. This means that he uses his right to sell 100 shares of ABC for $95 per share. Now Kate is assigned these 100 shares of ABC which means she is obligated to buy them for $95 per share. 

Peter now has 100 fewer shares of ABC in his portfolio, whereas Kate has 100 more.

This process is analog for a call option with the only difference being that Kate would be short 100 shares and Peter would have 100 additional shares of ABC in his portfolio.

Hopefully, this example clarifies what assignment is.

Who Can Be Assigned?

To answer this question, we must first ask ourselves who exercises their option? To do this, let’s quickly look at the different ways that you can close a long option position:

• Sell the option: Selling an option is probably the easiest way to close a long option position. Doing this will have no effect on the option seller.
• Let the option expire: If the option is Out of The Money , it would expire worthless and there would be no consequence for the option seller. If, on the other hand, the option is In The Money by more than $0.01, it would typically be automatically exercised . This would start the options assignment process.
• Exercise the option early: The last possibility would be to exercise the option before its expiration date. This, however, can only be done if the option is an American-style option. This would, once again, lead to an option assignment.

So as an option seller, you only have to worry about the last two possibilities in which the buyer’s option is exercised. 

But before you worry too much, here is a quick fact about the distribution of these 3 alternatives:

Less than 10% of all options are exercised.

This means 90% of all options are either sold prior to the expiration date or expire worthless. So always remember this statistic before breaking your head over the risk of being assigned.

It is very easy to avoid the first case of being assigned. To avoid it, just close your short option positions before they expire (ITM). For the second case, however, things aren’t as straight forward.

Who Risks being Assigned Early?

Firstly, you have to be trading American-style options. European-style options can only be exercised on their expiration date. But most equity options are American-style anyway. So unless you are trading index options or other kinds of European-style options, this will be the case for you.

Secondly, you need to be an options seller. Option buyers can’t be assigned.

These two are necessary conditions for you to be assigned. Everyone who fulfills both of these conditions risks getting assigned early. The size of this risk, however, varies depending on your position. Here are a few things that can dramatically increase your assignment risk:

• ITM: If your option is ITM, the chance of being assigned is much higher than if it isn’t. From the standpoint of an option buyer, it does not make sense to exercise an option that isn’t ITM because this would lead to a loss. Nevertheless, it is possible. The deeper ITM the option is, the higher the assignment risk becomes.
• Dividends : Besides that, selling options on securities with upcoming dividends also increases your risk of assignment. More specifically, if the extrinsic value of an ITM call option is less than the amount of the dividend, option buyers can achieve a profit by exercising their option before the ex-dividend date. 
• Extrinsic Value: Otherwise, keep an eye on the extrinsic value of your option. If the option has extrinsic value left, it doesn’t make sense for the option buyer to exercise their option because they would achieve a higher profit if they just sold the option and then bought or sold shares of the underlying asset. Typically, the less time an option has left, the lower its extrinsic value becomes. Implied volatility is another factor that influences extrinsic value.
• Puts vs Calls: This is more of an interesting side note than actual advice, but put options tend to get exercised more often than call options. This makes sense since put options give their buyer the right to sell the underlying asset and can, therefore, be a very useful hedge for long stock positions.

How can you Minimize Assignment Risk?

Since you now know what assignment is, and who risks being assigned, let’s shift our focus on how to minimize the assignment risk. Even though it isn’t possible to completely remove the risk of being assigned, there are things that you can do to dramatically decrease the chances of being assigned.

The first thing would be to avoid selling options on securities with upcoming dividend payments. Before putting on a position, simply check if the underlying security has any upcoming dividend payments. If so, look for a different trade.

If you ever are in the position that you are short an option and the ex-dividend of the underlying security is right around the corner, compare the size of the dividend to the extrinsic value of your option. If the extrinsic value is less than the dividend amount, you really should consider closing the position. Otherwise, the chances of being assigned are high. This is especially bad since being short during a dividend payment of a security will force you to pay the dividend.

Besides avoiding dividends, you should also close your option positions early. The less time an option has left, the lower its extrinsic value becomes and the more it makes sense for option buyers to exercise their options. Therefore, it is good practice to close your (ITM) short option positions at least one week before the expiration date.

The deeper an option is ITM, the higher the chances of assignment become. So the just-mentioned rule is even more important for deep ITM options.

If you don’t want to indefinitely close your position, it is also possible to roll it out to a later expiration cycle. This will give you more time and add extrinsic value to your position.

FAQs about Assignment

Last but not least, I want to answer some frequently asked questions about options exercise and assignment.

1. What happens if your account does not have enough buying power to cover the assigned position?

This is a common worry for beginning options traders. But don’t worry, if you don’t have enough capital to cover the new position, you will receive a margin call and usually, your broker will just automatically close the assigned shares immediately. This might lead to a minor assignment fee, but otherwise, it won’t significantly affect your account. Tatsyworks, for example, charges an assignment fee of only $5.

Check out my review of tastyworks

2. How does assignment affect your P&L?

When an option is exercised, the option holder gains the difference between the strike price and the price of the underlying asset. If the option is ITM, this is exactly the intrinsic value of the option. This means that the option holder loses the extrinsic value when he exercises his/her option. That’s also why it doesn’t make sense to exercise options with a lot of extrinsic value left.

This means that as soon as the option is exercised, it is only the intrinsic value that is relevant for the payoff. This is the same payoff as the option at its expiration date.

So as an options seller, your P&L isn’t negatively affected by an assignment. Either it stays the same or it becomes slightly better due to the extrinsic value being ignored.

As an example, if your option is ITM by $1, you will lose up to $100 per option or $1 per share that you are assigned. But this does not account for the extrinsic value that falls away with the exercise of the option. So this would be the same P&L as at expiration. Depending on how much premium you collected when selling the option, this might still be a profit or a minor loss.

With that being said, as soon as you are assigned, you will have some carrying risk. If you don’t or can’t close the position immediately, you will be exposed to the ongoing price fluctuations of that security.  Sometimes, you might not be able to close the new position immediately because of trading halts, or because the market is closed.

If you weren’t planning on holding that security, it is a good idea to close the new position as soon as possible. 

Option spreads such as vertical spreads, add protection to these price fluctuations since you can just exercise the long option to close the assigned share position at the strike price of the long option.

3. When an option holder exercises their option, how is the assignment partner chosen?

This is usually a random process. As soon as an option is exercised, the responsible brokerage firm sends a request to the Options Clearing Corporation (OCC). They send back the requested shares, whereafter they randomly choose another brokerage firm that currently has a client that is short the exercised option. Then the chosen broker has to decide which of their clients is assigned. This choice is, once again, random or a time-based priority system is used.

4. How does assignment work for index options?

As there aren’t any shares of indexes, you can’t directly be assigned any shares of the underlying asset. Therefore, index options are cash-settled. This means that instead of having to buy or sell shares of the underlying, you simply have to pay the difference between the strike price and the underlying trading price. This makes assignment easier and a lot less likely among index options.

Note that ETF options such as SPY options are not cash-settled. SPY is a normal security with openly traded shares, so exercise and assignment work just like they do among equity options.

I hope this article made you realize that assignment isn’t as bad as it might seem at first. It is just important to understand how the options assignment process works and what affects the likelihood of being assigned.

To recap, here’s what you should to do when you are assigned:

if you have enough capital in your account to cover the position, you could either treat the new position as a normal (stock) position and hold on to it or you could close it immediately. If you don’t have a clear trading plan for the new position, I recommend the latter.

If, on the other hand, you don’t have enough buying power, you will receive a margin call from your broker and the position should be closed automatically.

Assignment does not have any significant impact on your P&L, but it comes with some carrying risk. Options spreads can offer more protection against this than naked option positions.

To mitigate assignment risk, you should close option positions early, always keep an eye on the extrinsic value of your option positions, and avoid upcoming dividend securities.

And always remember, less than 10% of options are exercised, so assignment really doesn’t happen that often, especially not if you are actively trying to avoid it.

For the specifics of how assignment is handled, it is a good idea to contact your broker, as the procedures can vary from broker to broker.

Thank you for taking the time and reading this post. If you have any questions, comments, or feedback, please let me know in the comment section below.

22 Replies to “What is Options Assignment & How to Avoid It”

hi there well seems like finally there is one good honest place. seem like you are puting on the table the whole truth about bad positions. however my wuestion is when can one know where to put that line of limit. when do you recognise or understand that you are in a bad position? thanks and once again, a great site.

Well If you are trading a risk defined strategy the point would be at max loss and not too much time left until expiration. For undefined risk strategies however it can be very different. I would just say if you don’t have too much time until expiration and are far from making money you should use some common sense and admit that you are wrong.

What would happen in the event of a crash. Would brokers be assigning, options, cashing out these shares, and making others bankrupt. Well, I guessed I sort of answered my own question. Its not easy to understand, especially not knowing when this would come up. But seems like you hit the important aspects of the agreement.

Actually I wouldn’t imagine that too many people would want to exercise their options in case of a market ctash, because they probably wouldn’t want to hold stocks in this risky and volatile environment. 

And to the part of the questions: making others bankrupt. This really depends on the situation. You can’t get assigned more stock than your option covers. This means as long as you trade with reasonable position sizing nothing too bad can happen. Otherwise I would recommend to trade with defined risk strategies so your maximum drawdown is capped.

Thanks for writing about assignment Louis. After reading the section how assignment works, I feel I am somewhat unclear about how assignment works when the exerciser exercises Put or Call option. In both cases, if the underlying is an index, is the settlement done through the margin account money? Would you be able to provide a little more detail of how exercising the option (Put vs Call) would work in case of an underlying stock vs Index.

Thank you very much in advance

Thanks for the question. Indexes can’t be traded in the same way as stocks can. That’s why index options are settled in cash. If your index option is assigned, you won’t have to buy or sell any shares of the underlying index at the strike price because there exist no shares of indexes. Instead, you have to pay the amount that your index option is ITM to the exerciser of your option. Let me give you an example: You are short a call option with the strike price of 1000. The underlying asset is an index and it’s price is 1050. This means your call option is 50 points ITM. If someone exercises your long call option, you will have to pay him/her the difference between the strike price and the underlying’s price which would be 50 (1050-1000). So the main difference between index and stock options is that you don’t have to buy/sell any shares of the underlying asset for index options. I hope this helps. Please let me know if you have any other questions or comments.

Can the same logic be applied for ETFs as it does Indexes? For example, if I trade the SPY ETF, would it be settled in cash?

Thanks! Johnson

Hi Johnson, Exercise and assignment for ETFs such as SPY work just like they do for equities. ETFs have shares that are openly traded, whereas indexes don’t. That’s why indexes are settled in cash, whereas ETFs aren’t. I hope this helps.

There are many articles online that I read that are biased against options tradings and I am a bit surprised to read a really helpful article like this. I find this helpful in understanding options trading, what are the techniques and how to manage the risks. Before, I was hesitant to try this financial game but now, after reading this article, I am considering participating with live accounts and no longer with a demo account. A few months ago, I signed up with a company called IQ Options, but really never involved real money and practiced only with a demo account.

Thanks for your comment. I am glad to see that you liked the post. However, I don’t recommend sing IQ Option to trade since they are a very shady trading firm. You could check out my  Review of IQ Option for all the details.

this is a great and amazing article. i sincerely your effort creating time  to write on such an informative article which has taught me a lot more on what is options assignment and avoiding it. i just started trading but had no ideas on this as a beginner. i find this article very helpful because it has given me more understanding on options trading and knowing the techniques and how to manage the risks. thanks for sharing this amazing article

You are very welcome

Hello, the first thing that i noticed when i opened this page is the beauty of the website. i am sure you have put much effort into creating this article and the details are really clear here. after watching the video break down, i fully understood the entire process on how to avoid options assignment.

Thank you so much for the positive feedback!

I would love to create a website like yours as the design used is really nice, simple and brings about clarity of the write ups, but then you wrote a brilliant article on how to avoid options assignment. great video here. it was  confusing at first. i will suggest another video be added to help some people like me.

Thanks for the feedback. I recommend checking out my  options trading beginner course . In it, I cover all the basics that weren’t explained here.

Thanks for your very helpful article. I am contemplating selling a call that would cover half my shares on company X. How can ensure that the assignment process selects the shares that I bought at a higher price, so as to maximize capital losses?

Hi Luis, When you are assigned, you just automatically buy/sell shares of the underlying at the strike price. This means your overall portfolio is adjusted by these 100 shares. The exact shares and your entry price are irrelevant. If you have 50 shares of X and your short call is assigned, you will sell 100 shares of X at the strike price. After this, your position would be -50 shares of X which would be equivalent to being short 50 shares of X. I hope this helps.

Louis, I entered a CALL butterfly spread at $100 below where I intended, just 2 days before expiration date. I intended to speculate on a big earning announcement jump the next day. It was a debit of 1.25. Also, when I realized my mistake, I tried to close it for anything at all. The Mark fluctuated between 40 and 70, but I could not get it to close. So now I am assigned to sell 200 share at 70 dollars below the market price of the stock. I am having a heart attack. I do not have the 200 shares to deliver, so it seems I have to buy them at the market, and sell them for $70 less, for a loss of $14,000.

What other options are open to me? Can my trading firm force a close with a friendly market maker and make it as if it happened on Friday? I am willing to pay a friendly market maker several hundred dollars to make this trade. Is that an option? Other options the trading firm can do for me that would cost me less than $14,000?

Hi Paul, Thanks for your comment. From the limited information provided, it is hard to say what is actually going on. If you bought a call butterfly spread, your max loss should be limited to the premium you paid to open the position. An assignment shouldn’t have a huge impact on your overall P&L. I highly recommend contacting your broker and explaining your situation to them since they have all the information required to evaluate what’s actually going on. But if the loss is real, there is no way for you to make a deal with a market maker to limit or undo potential losses. I hope this helps.

What happens with ITM long call option that typically gets automatically exercised at expiration, if the owner of the call option doesn’t have the cash/margin to cover the stock purchase?

He would receive a margin call

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Assignment in Options Trading

Introduction articles, what is an options assignment.

In options trading , an assignment occurs when an option is exercised.   

As we know, a buyer of an option has the right but not the obligation to buy or sell an underlying asset depending on what option they have purchased. When the buyer exercises this right, the seller will be assigned and will have to deliver or take delivery of what they are contractually obliged to. For stock options, it is typically 1 , 000 shares per contract for the UK ; and 100 shares per contract in the US.   

As you can see, a buyer will never be assigned, only the seller is at risk of assignment. The buyer, however, may be auto exercised if the option expires in-the-money .

The Mechanics of Assignment

Assignment of options isn’t a random process. It’s a methodical procedure that follows specific steps, typically beginning with the option holder’s decision to exercise their option. The decision then gets routed through various intermediaries like brokers and clearing +houses before the seller is notified.

• Exercise by Holder: The holder (buyer) of the option exercises their right to buy (for Call ) or sell (for Put ).
• Random Assignment by a Clearing House: A clearing house assigns the obligation randomly among all sellers of the option.
• Fulfilment by the Writer: The writer (seller) now must fulfill the obligation to sell (for Call) or buy (for Put) the underlying asset.

Option Assignments: Calls and Puts

Call option assignments.

When a call option holder chooses to exercise their right, the seller of the call option gets assigned. In such a situation, the seller is obligated to sell the underlying asset at the strike price to the call option holder.

Put Option Assignments

Similarly, if a put option holder decides to exercise their right, the put option seller gets assigned. The seller is then obligated to buy the underlying asset at the strike price from the put option holder.

The Implications of Assignments for Options Traders

Understanding assignment in options trading is crucial as it comes with potential risks and rewards for both parties involved.

For Option Sellers

Option sellers, or ‘writers,’ face the risk of unexpected assignments. The risk of being assigned early is especially present for options that are in the money or near their expiration date. We explain the difference between American and European assignments below.

For Option Holders

For option holders, deciding when to exercise an option (potentially leading to assignment) is a strategic decision. This decision must consider factors such as the intrinsic value of the option, the time value, and the dividend payment of the underlying asset.

Can Options be assigned before expiration?

In short, Yes, but it depends on the style of options you are trading. 

American Style – Yes, this type of option can be assigned on or before expiry. 

European Style – No, this type of option can only be assigned on the expiry date as defined in the contract specifications.

Options Assignment Example

For example, an investor buys XYZ PLC 400 call when the stock is trading at 385. The stock in the coming weeks rises to 425 after some good news, the buyer then decides to exercise their right early to buy the XYZ PLC stock at 400.  

In this scenario, the call seller (writer) has been assigned and will have to deliver stock at 400 to the buyer (sell their stock at 400 when the prevailing market is 425).   

An option typically would only be assigned if it is in the money, considering factors like dividends which do play an important role in exercise/assignments.

Can an Options Assignment be Prevented?

Assignment can sometimes come as a bit of a surprise but normally you should see it coming. You can only work to prevent assignment by closing the option before expiry or before any possible risk of assignment.

Managing Risks in Options Trading

While options trading can offer high returns, it is not devoid of risks. Therefore, understanding and managing these risks is key.  

Buyers Risk: The premium paid for an option is at risk. If the option is not profitable at expiration, the premium is lost.  

Writers Risk: The writer takes on a much larger risk. If a call option is assigned, they must sell the underlying asset at the strike price, even if its market price is higher.

Options Assignment Summary

The concept of ‘assignment’ in options trading, although complex, is a cornerstone of understanding options trading. It not only clarifies the responsibilities of an options seller but also helps the traders to gauge and manage their risks more effectively. Successful trading involves not just knowing your options but also understanding your obligations.

Options Assignment FAQs

What is options assignment.

Options assignment refers to the process by which the seller (writer) of an options contract is obligated to fulfill their contractual obligation to buy or sell the underlying asset, as specified by the terms of the options contract.

When does options assignment occur?

Options assignment can occur when the buyer of the options contract exercises their right to buy (in the case of a call option) or sell (in the case of a put option) the underlying asset before or at expiration .

How does options assignment work?

When a buyer exercises their options contract, a clearing house randomly assigns a seller who is short (has written) the same options contract to fulfill the obligations of the exercise.

What happens to the seller upon options assignment?

If assigned, the seller (writer) of the options contract is obligated to fulfill their contractual obligation by buying or selling the underlying asset at the specified price (strike price) per the terms of the options contract.

Can options be assigned before expiration?

Yes, options can be assigned at any time (depending on contract type) before expiration if the buyer chooses to exercise their right. However, it is more common for options to be assigned closer to expiration as the time value diminishes.

What factors determine options assignment?

Options assignment is determined by the buyer’s decision to exercise their options contract. They may choose to exercise if the options contract is in-the- money and it is financially advantageous for them to do so.

How can I avoid options assignment? 

As a seller (writer) of options contracts, you can avoid assignment by closing your position before expiration through a closing trade (buying back the options contract) or rolling it over to a future expiration date.

What happens if I am assigned on a short call option?

If assigned on a short call option, you are obligated to sell the underlying asset at the specified price (strike price). This means you would need to deliver the shares . To fulfill this obligation, you may need to buy the shares in the open market if you do not hold them .

What happens if I am assigned on a short put option?

If assigned on a short put option, you are obligated to buy the underlying asset at the specified price (strike price). This means you would need to purchase the shares .  

How does options assignment affect my account?

Options assignment can impact your account by requiring you to fulfill the obligations of the assigned options contract, which may involve buying or selling the underlying asset. It is important to have sufficient funds or margin available to cover these obligations.

OptionsDesk Tips & Considerations

You should always have enough funds in your account to cover any assignment risk. If you have a short call position and it is in-the-money at the time of an ex-dividend be aware of extra assignment risk here as buyer/holder of the option may look to exercise to qualify for the dividend. Assignments can happen at any time!

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Understanding assignment risk in Level 3 and 4 options strategies

E*TRADE from Morgan Stanley

With all options strategies that contain a short option position, an investor or trader needs to keep in mind the consequences of having that option assigned , either at expiration or early (i.e., prior to expiration). Remember that, in principle, with American-style options a short position can be assigned to you at any time. On this page, we’ll run through the results and possible responses for various scenarios where a trader may be left with a short position following an assignment.

Before we look at specifics, here’s an important note about risk related to out-of-the-money options: Normally, you would not receive an assignment on an option that expires out of the money. However, even if a short position appears to be out of the money, it might still be assigned to you if the stock were to move against you just prior to expiration or in extended aftermarket or weekend trading hours. The only way to eliminate this risk is to buy-to-close the short option.

• Short (naked) calls

Credit call spreads

Credit put spreads, debit call spreads, debit put spreads.

• When all legs are in-the-money or all are out-of-the-money at expiration

Another important note : In any case where you close out an options position, the standard contract fee (commission) will be charged unless the trade qualifies for the E*TRADE Dime Buyback Program . There is no contract fee or commission when an option is assigned to you.

Short (naked) call

If you experience an early assignment

An early assignment is most likely to happen if the call option is deep in the money and the stock’s ex-dividend date is close to the option expiration date.

If your account does not hold the shares needed to cover the obligation, an early assignment would create a short stock position in your account. This may incur borrowing fees and make you responsible for any dividend payments.

Also note that if you hold a short call on a stock that has a dividend payment coming in the near future, you may be responsible for paying the dividend even if you close the position before it expires.

An early assignment generally happens when the put option is deep in the money and the underlying stock does not have an ex-dividend date between the current time and the expiration of the option.

Short call + long call

(The same principles apply to both two-leg and four-leg strategies)

This would leave your account short the shares you’ve been assigned, but the risk of the position would not change . The long call still functions to cover the short share position. Typically, you would buy shares to cover the short and simultaneously sell the long leg of the spread.

Pay attention to short in-the-money call legs on the day prior to the stock’s ex-dividend date, because an assignment that evening would put you in a short stock position where you are responsible for paying the dividend. If there’s a risk of early assignment, consider closing the spread.

Short put + long put

Early assignment would leave your account long the shares you’ve been assigned. If your account does not have enough buying power to purchase the shares when they are assigned, this may create a Fed call in your account.

However, the long put still functions to cover the position because it gives you the right to sell shares at the long put strike price. Typically, you would sell the shares in the market and close out the long put simultaneously.

Here's a call example

• Let’s say that you’re short a 100 call and long a 110 call on XYZ stock; both legs are in-the-money.
• You receive an assignment notification on your short 100 call, meaning you sell 100 shares of XYZ stock at 100. Now, you have $10,000 in short stock proceeds, your account is short 100 shares of stock, and you still hold the long 110 call.
• Exercise your long 110 call, which would cover the short stock position in your account.
• Or, buy 100 shares of XYZ stock (to cover your short stock position) and sell to close the long 110 call.

Here's a put example:

• Let’s say that you’re short a 105 put and long a 95 put on XYZ stock; the short leg is in-the-money.
• You receive an assignment notification on your short 105 put, meaning you buy 100 shares of XYZ stock at 105. Now, your account has been debited $10,500 for the stock purchase, you hold 100 shares of stock, and you still hold the long 95 put.
• The debit in your account may be subject to margin charges or even a Fed call, but your risk profile has not changed.
• You can sell to close 100 shares of stock and sell to close the long 95 put.

Long call + short call

Debit spreads have the same early assignment risk as credit spreads only if the short leg is in-the-money.

An early assignment would leave your account short the shares you’ve been assigned, but the risk of the position would not change . The long call still functions to cover the short share position. Typically, you would buy shares to cover the short share position and simultaneously sell the remaining long leg of the spread.

Long put + short put

An early assignment would leave your account long the shares you’ve been assigned. If your account does not have enough buying power to purchase the shares when they are assigned, this may create a Fed call in your account.

All spreads that have a short leg

(when all legs are in-the-money or all are out-of-the-money)

Pay attention to short in-the-money call legs on the day prior to the stock’s ex-dividend date because an assignment that evening would put you in a short stock position where you are responsible for paying the dividend. If there’s a risk of early assignment, consider closing the spread.

However, the long put still functions to cover the long stock position because it gives you the right to sell shares at the long put strike price. Typically, you would sell the shares in the market and close out the long put simultaneously. 

What to read next...

How to buy call options, how to buy put options, potentially protect a stock position against a market drop, looking to expand your financial knowledge.

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Option Exercise and Assignment Explained w/ Visuals

Last updated on February 11th, 2022 , 06:38 am

Buyers of options have the right to exercise their option at or before the option’s expiration. When an option is exercised, the option holder will buy (for exercised calls) or sell (for exercised puts) 100 shares of stock per contract at the option’s strike price.

Conversely, when an option is exercised, a trader who is short the option will be assigned 100 long (for short puts) or short (for short calls) shares per contract.

• Long American style options can exercise their contract at any time.
• Long calls transfer to +100 shares of stock
• Long puts transfer to -100 shares of stock
• Short calls are assigned -100 shares of stock.
• Short puts are assigned +100 shares of stock.
• Options are typically only exercised and thus assigned when extrinsic value is very low.
• Approximately only 7% of options are exercised.

The following sequences summarize exercise and assignment for calls and puts (assuming one option contract ):

Call Buyer Exercises Option   ➜  Purchases 100 shares at the call’s strike price.

Call Seller Assigned  ➜  Sells/shorts 100 shares at the call’s strike price.

Put Buyer Exercises Option  ➜  Sells/shorts 100 shares at the put’s strike price.

Put Seller Assigned   ➜  Purchases 100 shares at the put’s strike price.

Let’s look at some specific examples to drill down on this concept.

Exercise and Assignment Examples

In the following table, we’ll examine how various options convert to stock positions for the option buyer and seller:

As you can see, exercise and assignment is pretty straightforward: when an option buyer exercises their option, they purchase (calls) or sell (puts) 100 shares of stock at the strike price . A trader who is short the assigned option is obligated to fulfill the opposite position as the option exerciser. 

Automatic Exercise at Expiration

Another important thing to know about exercise and assignment is that standard in-the-money equity options are automatically exercised at expiration. So, traders may end up with stock positions by letting their options expire in-the-money.

An in-the-money option is defined as any option with at least $0.01 of intrinsic value at expiration . For example, a standard equity call option with a strike price of 100 would be automatically exercised into 100 shares of stock if the stock price is at $100.01 or higher at expiration.

What if You Don't Have Enough Available Capital?

Even if you don’t have enough capital in your account, you can still be assigned or automatically exercised into a stock position. For example, if you only have $10,000 in your account but you let one 500 call expire in-the-money, you’ll be long 100 shares of a $500 stock, which is a $50,000 position. Clearly, the $10,000 in your account isn’t enough to buy $50,000 worth of stock, even on 4:1 margin.

If you find yourself in a situation like this, your brokerage firm will come knocking almost instantaneously. In fact, your brokerage firm will close the position for you if you don’t close the position quickly enough.

Why Options are Rarely Exercised

At this point, you understand the basics of exercise and assignment. Now, let’s dive a little deeper and discuss what an option buyer forfeits when they exercise their option.

When an option is exercised, the option is converted into long or short shares of stock. However, it’s important to note that the option buyer will lose the extrinsic value of the option when they exercise the option. Because of this, options with lots of extrinsic value remaining are unlikely to be exercised. Conversely, options consisting of all intrinsic value and very little extrinsic value are more likely to be exercised.

The following table demonstrates the losses from exercising an option with various amounts of extrinsic value:

As we can see here, exercising options with lots of extrinsic value is not favorable. 

Why? Consider the 95 call trading for $7. Exercising the call would result in an effective purchase price of $102 because shares are bought at $95, but $7 was paid for the right to buy shares at $95. 

With an effective purchase price of $102 and the stock trading for $100, exercising the option results in a loss of $2 per share, or $200 on 100 shares.

Even if the 95 call was previously purchased for less than $7, exercising an option with $2 of extrinsic value will always result in a P/L that’s $200 lower (per contract) than the current P/L. F

or example, if the trader initially purchased the 95 call for $2, their P/L with the option at $7 would be $500 per contract. However, if the trader decided to exercise the 95 call with $2 of extrinsic value, their P/L would drop to +$300 because they just gave up $200 by exercising.

7% Of Options Are Exercised

Because of the fact that traders give up money by exercising an option with extrinsic value, most options are not exercised. In fact, according to the Options Clearing Corporation,  only 7% of options were exercised in 2017 . Of course, this may not factor in all brokerage firms and customer accounts, but it still demonstrates a low exercise rate from a large sample size of trading accounts.

So, in almost all cases, it’s more beneficial to sell the long option and buy or sell shares instead of exercising. We like to call this approach a “synthetic exercise.”

Congrats! You’ve learned the basics of exercise and assignment. If you’d like to know how the exercise and assignment process actually works, continue to the next section!

Who Gets Assigned When an Option is Exercised?

With thousands of traders long and short options in the market, who actually gets assigned when one of the traders exercises their option?

In this section, we’ll run through the exercise and assignment process for options so you know how the assignment decision occurs.

If a trader is short a single option, how do they get assigned if one of a thousand other traders exercises that option?

The short answer is that the process is random. For example, if there are 5,000 traders who are long a call option and 5,000 traders who are short that call option, an account with the short option will be randomly assigned the exercise notice. The random process ensures that the option assignment system is fair

Visualizing Assignment and Exercise

The following visual describes the general process of exercise and assignment:

If you’d like, you can read the OCC’s detailed assignment procedure here  (warning: it’s intense!).

Now you know how the assignment procedure works. In the final section, we’ll discuss how to quickly gauge the likelihood of early assignment on short options.

Assessing Early Option Assignment Risk

The final piece of understanding exercise and assignment is gauging the risk of early assignment on a short option.

As mentioned early, only 7% of options were exercised in 2017 (according to the OCC). So, being assigned on short options is rare, but it does happen. While a specific probability of getting assigned early can’t be determined, there are scenarios in which assignment is more or less likely.

The following scenarios summarize  broad generalizations  of early assignment probabilities in various scenarios:

In regards to the dividend scenario, early assignment on in-the-money short calls with less extrinsic value than the dividend is more likely because the dividend payment covers the loss from the extrinsic value when exercising the option.

All in all, the risk of being assigned early on a short option is typically very low for the reasons discussed in this guide. However, it’s likely that you will be assigned on a short option at some point while trading options (unless you don’t sell options!), but at least now you’ll be prepared!

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Options Trading for Beginners

Intrinsic and Extrinsic Value in Options Trading Explained

Option Greeks Explained: Delta, Gamma, Theta & Vega

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Exercise and Assignment – CME Group

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Will I Be Assigned?

by Mike Scanlin

As the market nears closing time on expiration Friday, covered call writers want to know if they will be assigned or not for tax reasons, margin reasons, and portfolio optimization reasons. Let's look at the issue from the point of view of both people involved in the trade: the option holder who is long the call option, and the covered call writer who is short the same call option.

Option Assignment

"Assignment" means the call option you sold short as part of your covered call trade is now being exercised. That means some option holder somewhere wants his stock and you have been chosen by the OCC (Options Clearing Corp) to receive the assignment. It's a random process; each time the OCC gets an exercise notice they randomly choose from among all the short calls (in the same series) who will receive the assignment.

If you are chosen by OCC your broker will be notified and your broker will, in turn, notify you. You will need to make good on your promise to deliver the shares of stock and, in exchange, receive the strike-price-per-share in cash, as per the option agreement.

What determines if the option holder exercises?

It's really up to them. It's their option and they can do what they want with it. They can even exercise it if the stock price is below the strike price of the option (i.e. it's out of the money). It wouldn't make any economic sense to do so, but it is allowed. The option holder has the right to exercise at any time for any reason.

Normal circumstances when call options are exercised by rational people

(1) The stock closes above the strike price on the option's expiration day.

This is the typical case for exercise. The option holder exercises his in-the-money option to acquire the stock for less than the current price. He only has to pay the strike price. If the stock closes at $43 and the strike price is 40, he only pays $40/share to acquire the stock.

(2) For in-the-money options, the day before ex-dividend day when there is zero time premium remaining in the option.

This is called "early exercise" and normally only happens when there is no time premium left in the option because the option holder forfeits any remaining time premium when he exercises. It doesn't make economic sense for him to exercise when there is still time premium remaining in the option; he's better off just selling the option in that case. But if there is zero time premium and he knows the stock is likely to open lower the next morning by the amount of the dividend that is about to be paid, he will do an early exercise to capture the dividend.

What about the day before earnings?

That's not a good time to exercise an option. There will be lots of time premium in the option (which will be forfeited if exercised) because of earnings uncertainty. If the option holder wants out of the position (maybe he's worried about volatility decreasing after earnings come out which could lower the value of his option) then he's better off just selling the option instead of exercising it.

What if the stock closes very near the strike price?

This one is tricky.

For starters, stocks continue to trade for several hours in the aftermarket after the regular market closes. The stock's closing price Friday at 4pm Eastern Time (regular market hours closing) may not represent the closing price during extended hours trading. And option holders have until Saturday (when options technically expire) to give their brokers exercise notices. So it's possible for a stock to close just below the strike price during regular hours on expiration Friday but then close above the strike price in extended hours. In that case the option would likely be exercised.

But not always.

It depends on several factors: (1) What are the transaction costs of the person doing the exercising? (2) What is the personal opinion of the option holder for the stock at Monday morning's open? It's possible the option could finish slightly in the money during extended trading hours and still not be exercised because the option holder believes the stock will open lower (below the strike price) on Monday morning. Maybe there's some event happening over the weekend that he believes will cause the stock (or the whole market) to open lower on Monday.

Imagine a covered call that has been written at a strike of 50. On expiration Friday at the close the stock's price was within a few pennies of 50 (above or below; it doesn't matter). Will it be exercised?

It depends on what the option holder believes will happen Monday morning. And not all option holders believe the same thing, causing less than 100% of all 50-strike options to be exercised. And since option assignment is random, you can't be sure if you'll be assigned or not. The purple oval here is a mystery and subject to personal opinion:

The decision to exercise (or not) is the option holder's right but not his obligation . He can let in-the-money options expire unexercised if he so chooses, based on his beliefs of where the stock will open on the next trading day.

My stock is within a few cents of the strike price and it's almost closing time on expiration day. What should I do?

This is the most common question. The answer is "it depends", "do you feel lucky?", and "you can never tell for sure." If you don't want the stock called away for whatever reason (taxes, margin, etc) then buy the call option back before the option market closes. It may cost you a nickel or two (plus an option trade commission) but that's the only certain way to avoid assignment.

Remember, stocks trade for a few more hours after the regular market closes so if your stock closes 10 cents below the strike during regular hours but then rises 25 cents above the strike during extended hours then you are probably out of luck. It will likely be called away (unlike stocks, options don't trade after hours, so you can't buy the option back during extended trading hours).

If you are in a situation where you don't want something called away then the best plan is to monitor the amount of time premium remaining in the option. Most option holders won't exercise if the time premium is greater than zero. If your time premium is getting small (5 to 10 cents, depends on the bid-ask spread of the underlying stock) then it's a good time to roll the option to something that has more time premium in it. The greater the time premium the smaller chance of exercise.

How do I calculate time premium?

The short answer for in-the-money options is (strike price + call price) minus stock price. So if the stock is 53 and you've sold a 50-strike call currently trading at 4 then the time premium is (50 + 4) - 53 = 1. There is 1 point of time premium in the option.

The longer answer is that stocks and options have bid prices and ask prices. So which to use? Or should you use the last trade price? We'll cover that in a future article . In the mean time, check out the tutorial on time premium .

Like covered calls?   Check out our Covered Call Screener

Mike Scanlin is the founder of Born To Sell and has been writing covered calls for a long time.

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Covered Call Assignment – How To Avoid It & What To Do If Assigned

posted on May 5, 2023

Imagine you have a Covered Call right now and the underlying stock is now above your Covered Call strike price.

You’re panicking now because if you get assigned on the Covered Call, you will be Short 100 shares.

The worst part is that you don’t have the necessary capital to meet the margin requirement of Shorting the 100 shares.

And that would result in a margin call.

So what do you do?

And how do you avoid getting the risk of early assignment on your Covered Call?

What Happens When You’re Assigned On Your Covered Call?

Let’s assume you already own 100 shares of Amazon (Ticker: AMZN).

Then you sell a Covered Call at the strike price of 135.

If AMZN settles anywhere above $135 at the expiration date of the Covered Call, then your 100 shares will be called away at that price.

That means your 100 shares would be sold at $135.

When Are You In Danger Of Early Assignment?

So when is your Covered Call in danger of getting assigned early?

There’s always the possibility of early assignment when:

• Your Covered Call is In-The-Money (ITM). That means the current stock price is above your Covered Call strike price.
• And when your Covered Call is close to expiration.
• And when your extrinsic value is very little.
• And if the stock pays a dividend, you could get assigned early if the dividend paid is more than the extrinsic value.

In short, the main factor that determines whether you are in danger of getting assigned early is when the extrinsic value is very little.

That’s because when there’s little extrinsic value left in your Covered Call, there’s not much incentive left for the buyer to hold on to the Call Option.

So it’s very important to pay attention to how much extrinsic value is left in your Covered Call.

The good news is that getting assigned early is actually very rare.

To understand a little better why this is so, we need to get into the minds of the Call buyer (the person taking the opposite trade of your Covered Call).

Understanding The Mindset of Call Buyers

For this, let’s use the same example as we did earlier.

And let’s also assume that for selling the 135 strike price Covered Call you received a premium of $1.50.

Now let’s switch sides and imagine you’re now the Call buyer that just purchased the Call Option for $1.50.

Next, we want to come up with the different scenarios that might happen and see if you would exercise your Call Option early for each of them.

Scenario 1: Stock goes to $140.

In this scenario, the stock has gone up to $140 and your Call Option has now increased to $6.00:

• $5.00 in intrinsic value.
• $1.00 in extrinsic value.

By exercising your Call Option, you would be buying 100 shares of the underlying stock at $135.

And you will forfeit your extrinsic value of $1.00.

Knowing this, would you exercise your Call Option?

Let’s compare exercising versus selling off your Call Option.

If you exercise and you sell off your shares immediately after exercising, your profits would be:

[($140 – $135) x 100 shares] – $150 for purchasing the Call Option = $350

If you just sold off your Call Option, your profits would be:

($6.00 – $1.50) x 100 shares = $450

As you can see, you would have made more money if you had simply sold off your Call Option.

That’s because the extrinsic value boosted your profits.

But if you exercised your Call Option, you forfeited the extra $100 in profits.

Furthermore, exercising can come with extra fees from some brokers.

So in this scenario, it’s highly unlikely that the Call Buyer would exercise their Call Option, even if it’s ITM.

Scenario 2: Stock goes to $150.

Now what if the stock went higher to $150 instead?

In this scenario, your Call Option is now worth $15.25:

• $15.00 in intrinsic value.
• $0.25 in extrinsic value.

If you are the Call Buyer, would you exercise your Call Option now?

If you do, you’d be giving up $0.25 in extrinsic value.

That’s $25 in additional profits that you would miss out on by exercising.

I’m pretty sure it’s unlikely that you would exercise because I wouldn’t as well.

While $25 may not be much, it’s still money that we leave on the table by exercising.

So it makes no sense for us to exercise the Call Option and get into a Long stock when there’s still lots of time left before expiration.

If we really wanted to buy the stock, we still can wait till the last few days to expiration before deciding whether to exercise the Long Call or not.

So as you can see, extrinsic value plays a big part in the Call buyer’s decision whether to exercise the Call Option or not.

Scenario 3: Stock goes to $140 but goes ex-dividend tomorrow paying a dividend of $0.50.

This scenario is similar to scenario 1, but the difference is that the stock will be paying a dividend.

This is where a Short Call can have dividend risk.

That means that the Call buyer may want to exercise their Option to get into a Long stock position to get the dividends.

So in this scenario, your Call Option’s value is the same as scenario 1 which is $6.00:

However, the underlying stock will be paying a dividend of $0.50.

If you’re the Call buyer, would you exercise your Long Call?

Let’s compare exercising versus selling the Call Option.

If you exercise it, you will forfeit the $1.00 in extrinsic value, but gain the dividend of $0.50.

But if you sell the Call Option, you will forfeit the $0.50 dividend, but profit on the $1.00 in extrinsic value.

So in this scenario, you would gain more by simply selling the Call Option.

Hence, it’s for the Covered Call to get assigned in this scenario.

Scenario 4: Stock goes to $150 but goes ex-dividend tomorrow paying a dividend of $0.50.

This scenario is similar to scenario 2 but the stock goes ex-dividend tomorrow with a dividend payout of $0.50.

In this scenario, your Call Option’s value is $15.25:

But there’s a dividend payout of $0.50.

In this scenario, if you were the Call buyer, would you exercise your Long Call?

If we applied the same analysis as in scenario 3, then we would know that it makes sense to exercise the Call Option now because the dividend is greater than the extrinsic value.

That means by exercising the Call Option, you’d gain an additional $0.25 compared to if you hadn’t exercised your Long Call.

So in this scenario, there’s a high likelihood of getting assigned early.

How To Avoid Early Assignment

So how do you avoid the risk of early assignment?

By rolling your Covered Call .

When you roll, you’re adding duration to your Covered Call.

And by adding duration, you’re adding extrinsic value.

Remember, extrinsic value is simply time value.

The more days left to expiration, the more extrinsic value there is.

Additionally, when rolling, you have the choice to roll your Covered Call up as well.

That means you roll to a higher strike on top of rolling to a further expiration date.

This way you increase the chances of Covered Call working out.

But what if you’re already assigned?

If you’re already assigned and your shares have been called away, there are 3 things you can do:

• Buy your shares back immediately if you’re afraid the stock will continue rallying.
• Wait for a pullback before buying again.
• Sell a Cash Secured Put at the price you were called away.
• Find other trades.

At the end of the day, having your shares called away isn’t the end of the world.

You’ve already made a profit (assuming your Covered Call was above your entry price), and you can always find another trade.

And if you think the stock will keep going up in the long term, then just buy back the stock because you would still be in profit if you’re right on your long-term view.

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Trading Options: Understanding Assignment

OCC/OIC and FINRA collaborated to create this primer on options assignment.

DOWNLOAD ARTICLE   (PDF)

The options market can seem to have a language of its own. To the average investor, there are likely a number of unfamiliar terms, but for an individual with a short options position—someone who has sold call or put options—there is perhaps no term more important than ‘assignment’ —the fulfilling of the requirements of an options contract.

When someone buys options to open a new position (Buy to Open), they are buying a right — either the right to buy the underlying security at a specified price (the strike price) in the case of a call option, or the right to sell the underlying security in the case of a put option. 

On the flip side, when an individual sells, or writes, an option to open a new position (Sell to Open), they are accepting an obligation — either an obligation to sell the underlying security at the strike price in the case of a call option or the obligation to buy that security in the case of a put option. When an individual sells options to open a new position, they are said to be ‘short’ those options. The seller does this in exchange for receiving the option’s premium from the buyer.

American-style options allow the buyer of a contract to exercise at any time during the life of the contract, whereas European-style options can be exercised only during a specified period just prior to expiration. For an investor selling American-style options, one of the risks is that the investor may be called upon at any time during the contract’s term to fulfill its obligations. That is, as long as a short options position remains open, the seller may be subject to ‘assignment’ on any day equity markets are open.  

What is assignment? 

An option assignment represents the seller’s obligation to fulfill the terms of the contract by either selling or buying the underlying security at the exercise price. This obligation is triggered when the buyer of an option contract exercises their right to buy or sell the underlying security.

To ensure fairness in the distribution of American-style and European-style option assignments, The Options Clearing Corporation (OCC), which is the options industry clearing house, has an established process to randomly assign exercise notices to firms with an account that has a short option position. Once a firm receives an assignment, it then assigns this notice to one of its customers who has a short option contract of the same series. This short option contract is selected from a pool of such customers, either at random or by some other procedure specific to the brokerage firm. 

How does an investor know if an option position will be assigned? 

While an option seller will always have some level of uncertainty, being assigned may be a somewhat predictable event. Only about 7% of options positions are typically exercised, but that does not imply that investors can expect to be assigned on only 7% of their short positions. Investors may have some, all or none of their short positions assigned. 

And while the majority of American-style options exercises (and assignments) happen on or near the contract’s expiration, a long options holder can exercise their right at any time, even if the underlying security is halted for trading. Someone may exercise their options early based upon a significant price movement in the underlying security or if shares become difficult to borrow as the result of a pending corporate action such as a buyout or takeover.  

Note: European-style options can only be exercised during a specified period just prior to expiration. In  U.S. markets, the majority of options on commodity and index futures are European-style, while options on stocks and exchange-traded funds (ETF) are American-style. So, while SPDR S&P 500, or SPY options, which are options tied to an ETF that tracks the S&P 500, are American-style options, S&P 500 Index options, or  SPX options, which are tied to S&P 500 futures contracts, are European-style options. 

What happens after an option is assigned? 

An investor who is assigned on a short option position is required to meet the terms of the written option contract upon receiving notification of the assignment. In the case of a short equity call, the seller of the option must deliver stock at the strike price and in return receives cash. An investor who doesn’t already own the shares will need to acquire and deliver shares in return for cash in the amount of the strike price, multiplied by 100, since each contract represents 100 shares. In the case of a short equity put, the seller of the option is required to purchase the stock at the strike price.

How might an investor’s account balance fluctuate after opening  a short options position?

It is normal to see an account balance fluctuate after opening a short option position. Investors who have questions or concerns or who do not understand reported trade balances and assets valuations should contact their brokerage firm immediately for an explanation. Please keep in mind that short option positions can incur substantial risk in certain situations. 

For example, say XYZ stock is trading at $40 and an investor sells 10 contracts for XYZ July 50 calls at $1.00, collecting a premium of $1,000, since each contract represents 100 shares ($1.00 premium x 10 contracts x 100 shares). Consider what happens if XYZ stock increases to $60, the call is exercised by the option holder and the investor is assigned. Should the investor not own the stock, they must now acquire and deliver 1,000 shares of XYZ at a price of $50 per share. Given the current stock price of $60, the investor’s short stock position would result in an unrealized loss of $9,000 (a $10,000 loss from delivering shares $10 below current stock price minus the $1,000 premium collected earlier).

Note: Even if the investor’s short call position had not been assigned, the investor’s account balance in this example would still be negatively affected—at least until the options expire if they are not exercised. The investor’s account position would be updated to reflect the investor’s unrealized loss—what they could lose if an option is exercised (and they are assigned) at the current market price. This update does not represent  an actual loss (or gain) until the option is actually exercised and the investor is assigned.  

What happens if an investor opened a multi-leg strategy, but one leg is assigned?

American-style option holders have the right to exercise their options position prior to expiration regardless of whether the options are in-, at- or out-of-the-money. Investors can be assigned if any market participant holding calls or puts of the same series submits an exercise notice to their brokerage firm. When one leg is assigned, subsequent action may be required, which could include closing or adjusting the remaining position to avoid potential capital or margin implications resulting from the assignment. These actions may not be attractive and may result in a loss or a less-than-ideal gain. 

If an investor’s short option is assigned, the investor will be required to perform in accordance with their obligation to purchase or deliver the underlying security, regardless of the overall risk of their position when taking into account other options that may be owned as part of the overall multi-leg strategy. If the investor owns an option that serves to limit the risk of the overall spread position, it is up to the investor to exercise that option or to take other action to limit risk.  

Below are a couple of examples that underscore how important it is for every investor  to understand the risks associated with potential assignment during market hours and potentially  adverse price movements in afterhours trading.

For options-specific questions, you may contact OCC’s Investor Education team at [email protected] , via chat on OptionsEducation.org or subscribe to the OIC newsletter . If you have questions about options trading in your brokerage account, we encourage you to contact your brokerage firm. If after doing so you have not resolved the issue or have additional concerns, you can contact FINRA . Subscribe to FINRA’s newsletter for more information about saving and investing.

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What Is a Call Option?

Understanding call options, long vs. short call options, how to calculate call option payoffs, using call options, the bottom line.

• Options and Derivatives

What Is a Call Option and How to Use It With Example

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Call options are financial contracts that give the buyer the right—but not the obligation—to buy a stock, bond, commodity , or other asset or instrument at a specified price within a specific period. A call seller must sell the asset if the buyer exercises the call.

A call buyer profits when the underlying asset increases in price. Share prices can increase for several reasons, including positive company news and during acquisitions . The seller profits from the premium if the price drops below the strike price at expiration because the buyer will typically not execute the option.

A call option may be contrasted with a put option , which gives the holder the right to sell (force the buyer to purchase) the asset at a specified price on or before expiration.

Key Takeaways

• A call is an option contract giving the owner the right, but not the obligation, to buy an underlying security at a specific price within a specified time.
• The specified price is called the strike price, and the specified time during which the sale can be made is its expiration (expiry) or time to maturity.
• You pay a fee to purchase a call option, called the premium; this per-share charge is the maximum you can lose on a call option.
• Call options may be purchased for speculation or sold for income purposes or tax management.
• Call options may also be combined for use in spread or combination strategies.

Call Option Basics

Options are essentially a bet between two investors. One believes the price of an asset will go down, and one thinks it will rise. The asset can be a stock, bond, commodity, or other investing instrument.

Options Terms

The contract is an option (a choice) to buy the asset at a specific price by a certain date. The date is called the expiration date (known as expiry), and the asset is called the underlying asset (it's also called "the underlying").

The price is called the strike price. The strike price and the exercise date are set by the contract seller and chosen by the buyer. There are usually many contracts, expiration dates, and strike prices traders can choose from.

You pay a fee to purchase a call option—this is called the premium . It is the price paid for the option to exercise. If, at expiration, the underlying asset is below the strike price, the call buyer loses the premium paid. This is the maximum loss the buyer can incur.

Buyer Choices

The call option buyer may hold the contract until the expiration date, at which point they can execute the contract and take delivery of the underlying.

They can also choose not to buy the underlying at expiry, or they can sell the options contract at any point before the expiration date at the market price of the contract at that time.

If an option reaches its expiry with a strike price higher than the asset's market price, it "expires worthless" or "out of the money."

There are two basic ways to trade call options, a long call option and a short call option.

Long Call Option

A long call option is the standard call option in which the buyer has the right, but not the obligation, to buy a stock at a strike price in the future. The advantage of a long call is that it allows the buyer to plan ahead to purchase a stock at a cheaper price. Many traders will place long calls on dividend-paying stocks because these shares usually rise as the ex-dividend date approaches. Then, on the ex-dividend date, the price will drop. The long call holder receives the dividend only if they exercise the option before the ex-date.

Image by Sabrina Jiang © Investopedia 2022

For example, you might purchase a long call option in anticipation of a newsworthy event, like a company's earnings call. While the profits on a long call option may be unlimited, the losses are limited to premiums. Thus, even if the company does not report a positive earnings beat (or one that does not meet market expectations) and the price of its shares declines, the maximum losses the buyer of a call option will bear are limited to the premiums paid for the option.

Short Call Option

As its name indicates, a short call option is the opposite of a long call option. In a short call option, the seller promises to sell their shares at a fixed strike price in the future. Short call options are mainly used for covered calls by the option seller, or call options in which the seller already owns the underlying stock for their options.

Selling an option without owning the underlying is known as a "naked short call."

The call helps contain the losses they might suffer if the trade does not go their way. For example, their losses would multiply if the call were uncovered (i.e., they did not own the underlying stock for their option), and the stock appreciated significantly in price.

Call option payoff refers to the profit or loss an option buyer or seller makes from a trade. Remember that there are three key variables to consider when evaluating call options: strike price, expiration date, and premium. These variables calculate payoffs generated from call options. There are two cases of call option payoffs.

Payoffs for Call Option Buyers

Suppose you purchase a call option for company ABC for a premium of $2. The option's strike price is $50, with an expiration date of Nov. 30. You will break even on your investment if ABC's stock price reaches $52—meaning the sum of the premium paid plus the stock's purchase price. Any increase above that amount is considered a profit. Thus, the payoff when ABC's share price increases in value is unlimited.

What happens when ABC's share price declines below $50 by Nov. 30? Since your options contract is a right, not an obligation, to purchase ABC shares, you can choose not to exercise it, meaning you will not buy ABC's shares. In this case, your losses will be limited to the premium you paid for the option.

Payoff = spot price - strike price

Profit = payoff - premium paid

Using the formula above, your profit is $3 if ABC's spot price is $55 on Nov. 30.

Payoff for Call Option Sellers

The payoff calculations for the seller for a call option are not very different. If you sell an ABC options contract with the same strike price and expiration date, you stand to gain only if the price declines. Depending on whether your call is covered or naked , your losses could be limited or unlimited. The latter case occurs when you are forced to purchase the underlying stock at spot prices (perhaps even more) if the options buyer exercises the contract. In this case, your sole source of income (and profits) is limited to the premium you collect on expiration of the options contract.

The formulas for calculating payoffs and profits are as follows:

Profit = payoff + premium

Using the formula above, your income is $1 if ABC's spot price is $49 on Nov. 30.

There are several factors to consider when it comes to selling call options . Be sure you fully understand an option contract's value and profitability when evaluating a trade, or else you risk the stock rallying too high.

Call options often serve three primary purposes: income generation, speculation, and tax management.

Using Covered Calls for Income

Some investors use call options to generate income through a covered call strategy. This strategy involves owning an underlying stock while at the same time writing a call option, or giving someone else the right to buy your stock. The investor collects the option premium and hopes the option expires worthless (below the strike price). This strategy generates additional income for the investor but can also limit profit potential if the underlying stock price rises sharply.

Covered calls work because if the stock rises above the strike price, the option buyer will exercise their right to buy it at the lower strike price. This means the option writer doesn't profit from the stock's movement above the strike price. The options writer's maximum profit on the option is the premium received.

Using Calls for Speculation

Options contracts allow buyers to obtain significant exposure to a stock for a relatively small price. Used in isolation, they can provide substantial gains if a stock rises. But they can also result in a 100% loss of the premium if the call option expires worthless due to the underlying stock price failing to move above the strike price. The benefit of buying call options is that risk is always capped at the premium paid for the option.

Investors may also buy and sell different call options simultaneously, creating a call spread . These will cap both the potential profit and loss from the strategy but are more cost-effective in some cases than a single call option because the premium collected from one option's sale offsets the premium paid for the other.

Using Options for Tax Management

Investors sometimes use options to change portfolio allocations without actually buying or selling the underlying security.

For example, an investor may own 100 shares of XYZ stock and may be liable for a large unrealized capital gain . Not wanting to trigger a taxable event , shareholders may use options to reduce the exposure to the underlying security without actually selling it. In the case above, the only cost to the shareholder for engaging in this strategy is the cost of the options contract itself.

Though options profits will be classified as short-term capital gains, the method for calculating the tax liability will vary by the exact option strategy and holding period.

Call Option Examples

Imagine Apple is trading at $110 at expiry, the strike price for the option contract (consisting of 100 shares) is $100, and the options cost the buyer $2 per share; the profit is $110 - ($100 + $2) = $8. If the buyer bought one options contract, their profit equals $800 ($8 x 100 shares); the profit would be $1,600 if they bought two contracts ($8 x 200).

Now, if Apple is trading below $100 at expiration, the buyer won't exercise the option to buy the shares at $100 apiece, and the option expires worthless. The buyer loses $2 per share, or $200, for each contract they bought—but that's all. That's the beauty of options: You're only out the premium if you decide not to play.

Assume Microsoft stock is trading at $108 per share. You own 100 shares of the stock and want to generate an income above and beyond the stock's dividend. You also believe that shares are unlikely to rise above $115 per share over the next month.

You take a look at the call options for the following month and see that there's a $115 call trading at $.37 per contract. So, you sell one call option and collect the $37 premium (37 cents x 100 shares), representing a roughly 4% annualized income.

If the stock rises above $115, the option buyer will exercise the option, and you will have to deliver the 100 shares of stock at $115 per share. You still generated a profit of $7 per share, but you will have missed out on any upside above $115. If the stock doesn't rise above $115, you keep the shares and the $37 in premium income.

How Do Call Options Work?

Call options are a type of derivative contract that gives the holder the right but not the obligation to purchase a specified number of shares at a predetermined price, known as the "strike price" of the option. If the stock's market price rises above the option's strike price, the option holder can exercise their option, buying at the strike price and selling at the higher market price to lock in a profit. Options only last for a limited period, however. If the market price does not rise above the strike price during that period, the options expire worthless.

Why Would You Buy a Call Option?

Investors will consider buying call options if they are optimistic—or " bullish "—about the prospects of its underlying shares. For these investors, call options might provide a more attractive way to speculate on a company's prospects because of the leverage they provide. After all, each options contract allows one to buy 100 shares of the company in question. For an investor who is confident that a company's shares will rise, buying shares indirectly through call options can be an attractive way to increase their purchasing power.

Is Buying a Call Bullish or Bearish?

Buying calls is bullish because the buyer only profits if the price of the shares rises. Conversely, selling call options is bearish because the seller profits if the shares do not rise. Whereas the profits of a call buyer are theoretically unlimited, the profits of a call seller are limited to the premium they receive when they sell the calls.

Call options are financial contracts that give the option buyer the right but not the obligation to buy a stock, bond, commodity, or other asset or instrument at a specified price within a specific period. The stock, bond, or commodity is called the underlying asset.

A call buyer profits when the underlying asset increases in price. A call option seller can generate income by collecting premiums from the sale of options contracts. The tax treatment for call options varies based on the strategy and type of call options that generate profits.

Correction—Aug. 23, 2023 : This article was corrected from a previous version that miscalculated the formula for the payoff for call options sellers.

U.S. Securities and Exchange Commission. " Investor Bulletin: An Introduction to Options ."

Internal Revenue Service. " Publication 550, Investment Income and Expenses (Including Capital Gains and Losses) ." Pages 57-58.

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DNC's ceremonial roll call set for Tuesday. Here's how it works

The roll call will take place during night two of the dnc in chicago, by nbc chicago staff • published august 20, 2024 • updated on august 20, 2024 at 10:54 pm.

Editor's note: NBC Chicago will offer a live feed of evening and primetime speeches each day Monday-Thursday in the player above and on the NBC 5 Chicago News 24/7 streaming channel. You can also stream  the convention on our YouTube channel.

Delegates at the DNC did not get the opportunity to loudly cast their votes in-person during the convention, but a ceremonial roll call will still be held Tuesday to celebrate the nomination of Vice President Kamala Harris and Minnesota Gov. Tim Walz.

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The roll call will take place during Tuesday’s session at the convention, and while the votes won’t be binding, the event is being billed as an experience “felt arena-wide” by delegates and dignitaries.

Here’s everything you need to know about the roll call.

What’s different about this year’s roll call?

Rather than being an official tally of the delegates needed to nominate the members of the presidential ticket, this year’s roll call will be ceremonial in nature.

That’s because Democrats moved to nominate Harris and Walz prior to Aug. 7, the original deadline for Ohio officials to secure spots on the November ballot.

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While the Ohio legislature passed a bill to change that deadline, Democrats sought to avoid any legal challenges to their ticket being on the ballot and opted for a virtual roll call instead, with delegates casting their ballots for Harris.

So while this year’s roll call will have the traditional element of going state-by-state and declaring support for Harris and Walz, it will only be ceremonial in nature.

Feeling out of the loop? We'll catch you up on the Chicago news you need to know. Sign up for the weekly Chicago Catch-Up newsletter .

How will the roll call work?

The event will largely proceed with states going in alphabetical order to pledge their delegates to the Harris-Walz ticket, with a few exceptions.

All 57 delegations from the 50 states and U.S. territories will participate in the voice vote.

Will there be any additional surprises in store?

What will be unique this year is that each state will be introduced with “walk-up music” by an in-house DJ at the United Center. Some states will reportedly choose music that is representative of their home areas, and delegates will also get some surprise guests along the way.  

Will any states be given special spots in the order?

While traditional roll calls have a home state provide the final votes needed to secure a majority, this year’s count is expected to proceed a bit differently. President Joe Biden’s home state of Delaware will likely get a special slot, as will Walz’s Minnesota delegation and Harris’ California delegation.

When does the roll call start?

The roll call is scheduled to get underway at 7 p.m., and is expected to take roughly one hour to complete.

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