When a call option expires out of the money, the contract becomes worthless and disappears from your account. The buyer loses the entire premium they paid; the writer keeps the entire premium as profit. No shares change hands, no exercise happens, and nothing needs to be done to close the position. The tax reporting, the moves you still have before expiration, and the wash sale rule that follows the loss into the next month are where the real decisions live.
What “Worthless” Means in Your Account
A call is out of the money when the stock’s market price sits below the strike price. Exercising a $50 call while the stock trades at $45 would mean paying $50 for shares available at $45 on the open market, so nobody does it. At expiration, any remaining time value has decayed to zero, intrinsic value is already zero, and the contract has nowhere left to go.
The clearinghouse’s automatic exercise process only fires for options that finish in the money. Out-of-the-money contracts are allowed to lapse.1SEC.gov. Rule 1100 – Exercise of Options Contracts Your broker removes the position from your portfolio, typically by the next business day. You don’t submit a sell order, don’t pay a commission, and don’t need to file anything. The contract simply ends.
For the buyer, the loss is capped at the premium paid. A $500 premium on a contract controlling 100 shares means $500 gone and nothing more. That ceiling is a structural feature of buying options: unlike shorting stock or selling naked calls, the worst case is knowable the moment you enter the trade.
What You Can Still Do Before Expiration
Letting a call expire worthless is a choice, not a default. As long as the market is open and the contract has not yet expired, two moves are available.
- Sell to close. Even an out-of-the-money call usually carries some time value in the days and weeks before expiration. Selling it back into the market recovers whatever time value is left. Recovering $80 of a $500 premium is still a loss, but it beats zero. The further out of the money the option is, and the closer to expiration, the less you will receive.
- Roll the position. Rolling means closing the current contract and opening a new one, usually at a later expiration and sometimes at a different strike. You pay the net difference between what you receive for the old contract and what you spend on the new one. Rolling gives your original thesis more time to play out and avoids the total wipeout of expiration.
Both moves require acting while there is still meaningful liquidity. In the final hour of expiration day, time value on a losing contract has almost fully evaporated and bids thin out on options everyone knows are about to die. The earlier you decide, the more you can recover.
What the Writer Walks Away With
The person who sold the call keeps the full premium. A writer who collected $500 at the open of the trade owns that $500 clean once expiration passes without exercise. The obligation to deliver shares is extinguished.
For a covered call writer, this is often the intended outcome. The underlying shares stay in the portfolio, available for dividends and for writing another round of calls. Income-oriented investors run this cycle repeatedly against long-term holdings. One caveat: writing a covered call can affect the holding period of the underlying shares if the call does not meet the IRS criteria for a qualified covered call. A call that is too deep in the money, or has a term longer than the allowed limit, may be treated as part of a straddle, which can suspend the stock’s holding period and complicate long-term capital gains treatment.2eCFR. 26 CFR 1.1092(c)-1 – Qualified Covered Calls
A naked call writer, who sold without owning the stock, also walks away clean. The margin that had been locked up to support the short position is released back into available buying power. Because the option was never exercised, the writer never had to buy shares on the open market to deliver them, which is the outcome naked writers fear when a stock spikes.
Tax Treatment of an Expired Call
The IRS treats an expired option as sold on the expiration date. For the buyer, the lost premium is a capital loss. For the writer, the kept premium is a short-term capital gain, regardless of how long the position was open.3Office of the Law Revision Counsel. 26 USC 1234 – Options to Buy or Sell
The Buyer’s Loss
The premium paid becomes the cost basis, and the proceeds are zero. Whether the resulting capital loss is short-term or long-term depends on how long the option was held. Less than a year makes it short-term; more than a year makes it long-term. Either kind can offset capital gains from other investments.
If capital losses for the year exceed capital gains, up to $3,000 of the excess can be deducted against ordinary income ($1,500 if married filing separately).4Office of the Law Revision Counsel. 26 USC 1211 – Limitation on Capital Losses Anything left over carries forward to the next tax year and beyond, indefinitely, until it is fully used.5Office of the Law Revision Counsel. 26 USC 1212 – Capital Loss Carrybacks and Carryovers A single bad options trade is not a one-year tax event; it can chip away at future gains for years.
The Writer’s Gain
The writer reports the full premium as a short-term capital gain, taxed at ordinary income rates. For 2026, those rates run from 10% to 37% depending on taxable income.6Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 Short-term treatment applies even if the writer held the position more than a year, because the statute specifically classifies gain on a lapsed option as arising from a capital asset held not more than one year.3Office of the Law Revision Counsel. 26 USC 1234 – Options to Buy or Sell
Reporting the Expiration
Both buyers and writers report expired options on Form 8949 and carry the totals to Schedule D.7Internal Revenue Service. About Form 8949, Sales and Other Dispositions of Capital Assets Brokers typically issue a 1099-B reflecting the expiration, though amounts may need reconciling if commissions adjusted the cost basis. If you traded frequently during the year, keeping records as you go is easier than reconstructing them in April.
The Wash Sale Rule After a Worthless Expiration
This is where the loss can slip away. If your call expires at a loss and you buy the same stock, or a substantially identical security, within 30 days before or after the expiration date, the wash sale rule disallows the capital loss.8Office of the Law Revision Counsel. 26 USC 1091 – Loss From Wash Sales of Stock or Securities The statute explicitly includes contracts and options as securities that can trigger a wash sale, so buying a new call on the same underlying stock inside the window counts.
The disallowed loss is not gone forever. It gets added to the cost basis of the replacement security, so the loss is eventually recognized when that new position is sold. But if you were counting on it to offset gains in the current tax year, the wash sale pushes that benefit into the future. The 30-day window crosses calendar years, so an expiration in mid-December and a repurchase in early January can still trigger the rule.
The safe path after an options loss is to wait at least 31 days before re-entering the same position. A different security that is not substantially identical will not trigger the rule, though the IRS has never drawn a bright line around that phrase.
A Note on Index Options
Everything above applies to standard equity options on individual stocks and ETFs, which settle by delivering shares when exercised. Index options on benchmarks like the S&P 500 (SPX) are cash-settled instead: an in-the-money writer pays the holder the cash difference between the strike and the settlement value rather than delivering any shares.9Cboe Global Markets. Cboe Mini-SPX (XSP) When an index call expires out of the money, the practical result is the same as with equity options: the contract becomes worthless and the buyer loses the premium. Index options are also typically European-style, meaning they can only be exercised at expiration, so the early-exercise flexibility of equity options is not available.