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What is a limit order for options?

In one line: A limit order for options buys or sells a contract only at the price you set or better, which is how sellers avoid giving away the bid-ask spread on every fill.

Trading glossary · Updated 2026-10-26

How it works

A limit order names your price. Sell at $1.00 or better, and the order fills at $1.00 or higher, or not at all. A market order names no price. It takes whatever's on the screen, which for an option can be far from fair.

Stocks often have a spread of a cent. Options can have spreads of $0.10, $0.30 or more on a $1.00 contract. A market order hands that gap to the other side. A limit order lets you ask for the Mid price and wait.

In the wheel strategy, every open and every close is an order. Sellers use limit orders for all of them. Market orders on options are how people get filled at prices that make no sense.

An example (hypothetical)

XYZ trades at $50 (an illustration, not a trade idea). You own 100 shares at $50. The $55 call shows bid $0.70 / ask $1.30: a wide, thin quote. You sell to open with a limit at the mid, $1.00, and it fills after a few minutes.

Thirty dollars in every row. A market order could have done worse: on a thin option, the bid can drop the moment your order arrives.

Why it matters for sellers

An option seller's edge is small per trade. The spread can eat it. A limit order is the only tool that stops that.

Three rules of thumb:

• Never use a market order on an option. Not to open, not to close, not in a hurry. If you must fill now, use a limit at the Natural price.
• Start at the mid. Wait. Then step a cent or two toward the bid.
• If the limit won't fill near the mid, ask why. A quote that won't meet you halfway is telling you the option is thin.

A limit order can also be left open for days as a GTC order, which is how sellers close at a set profit without watching. Our chain guide shows where to find the bid, ask and mid.

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