Exiting an Option Position Before Expiry

There are three ways to end an option position before it expires. They are not equally good, and the difference between them comes down to a single idea we will meet in a moment: time value.

Sell to close — trade out of the position on the open market at its current price. If you are long an option you sell it; if you are short one you buy it back. This is what the large majority of option traders actually do.

Exercise early — use the option now rather than later, converting it into the underlying shares at the strike. Only American-style options allow this (more on that below).

Let it expire — do nothing and let the contract reach its deadline, where it settles to intrinsic value or expires worthless.

Here is the key. While an option still has life left, its market price is made of two parts: its intrinsic value (what it is worth if used right now) plus its time value (the extra that reflects the chance the price moves further in your favour before expiry). The market price always sits above the intrinsic value until the very end.

That gap is the whole reason the three exits are not equal. As expiration approaches the gap shrinks, and by the moment of expiry it is gone — which is exactly why the previous article could say an option is worth only its intrinsic value at the end.

When you sell to close, you receive the option’s full market price — intrinsic value and time value. When you exercise, you collect only the intrinsic value and throw the time value away. For a holder with time still left on the clock, selling almost always puts more money in your pocket.

Exercising also demands capital that selling does not: exercising a call means actually buying 100 shares per contract at the strike. Unless you specifically want the shares, selling the option is simpler and usually richer.

American-style options can be exercised any time before expiry; European-style ones can only be exercised at expiration. Most US-listed equity options are American; many index options are European.

But even when early exercise is allowed, it is usually a mistake — precisely because it forfeits time value. There are two well-known exceptions worth knowing:

• A call just before a large dividend. Exercising early can be worth it to capture a dividend that exceeds the option’s remaining time value.
• A deep in-the-money put. Its time value is tiny, and taking the strike in cash now — to earn interest on it — can be worth more than waiting.

Outside cases like these, selling to close is the standard move.

Traders close before expiry for practical reasons, not just to capture time value:

• Lock in a profit while the gain is there, rather than risk it evaporating.
• Cut a loss before the remaining premium decays to nothing.
• Avoid assignment as a seller, especially near expiry when an in-the-money short option may be exercised against you.
• Free up capital or margin tied up by the position.
• Roll the position — close it and reopen a similar one at a later expiration.

One more nudge to act: time value does not decay evenly. It erodes faster as expiration nears, so for an option buyer, simply waiting has a rising cost.