If you're struggling to sell an option at a fair price, the culprit is usually thin liquidity — a wide bid-ask spread with few buyers on the other side. You can sell, but not at the price you'd like, and that gap is the cost of an illiquid strike.

Why thin liquidity traps you

An option's real exit price is the bid (what a buyer will pay). On a liquid strike, the bid is close to the mid and there's plenty of size — you exit cleanly. On a thin strike, the bid is far below the mid (wide spread) and there's little size, so selling means accepting a poor price or waiting for a buyer who may not come. You're not stuck holding — you're stuck choosing between a bad fill and no fill. Far-OTM and illiquid strikes are the usual offenders.

How the close makes it worse

Liquidity is worst exactly when you may most need to exit: spreads widen into the close on 0DTE, and a losing far-OTM option can become nearly impossible to sell for anything meaningful. This is why being too big for a thin strike or trading illiquid options is dangerous — the exit door is narrow when the building's on fire.

You can always sell — the question is at what price. On a thin strike, “can't sell” really means “can't sell without giving away a chunk to the spread.”

The quick takeaway

“Can't sell” is a liquidity problem: wide spread, few buyers. Avoid it by trading liquid, tight-spread strikes (high volume and open interest) and not oversizing. NoVo favors liquid strikes precisely so you can get out cleanly — because an entry you can't exit well isn't a good trade.