A stop-limit order triggers at a stop price and then becomes a limit order — giving you price control on the exit, but risking no fill in a fast market. It’s a hybrid of the stop and the limit.

How it works

You set two prices: a stop (trigger) and a limit (worst acceptable fill). Example: stop at $1.00, limit at $0.95. If the option trades to $1.00, a limit order to sell at $0.95 or better activates. So you won’t sell below $0.95 — but if price blows past $0.95 before you fill, the order sits unfilled and you’re still in the trade.

The tradeoff vs a plain stop

A plain stop guarantees an exit but not a price (slippage risk). A stop-limit guarantees a price floor but not an exit (no-fill risk). On a fast-moving 0DTE that gaps down, a stop-limit can leave you holding a falling option it failed to sell — the opposite of what a stop is for. See the full stop-market vs stop-limit breakdown.

A stop-limit protects your price and risks your exit. In a fast crash, that can mean you don’t get out at all — which is exactly when you needed to.

The takeaway

Stop-limits give price control but can fail to fill when it matters most — a real danger on gappy 0DTE. For pure downside protection, many prefer a plain stop-market. Choose based on which risk you can live with. NoVo’s protective stop prioritizes actually getting you out.