Placing a limit order on an option means choosing the contract, setting your price, size, and duration, then working toward a good fill. Here’s the plain step-by-step.

The steps

1. Select the contract — the SPY strike and expiration (e.g. today’s 0DTE). 2. Choose buy or sell. 3. Set the limit price — often near the mid to save the spread, or a marketable limit at the ask for speed. 4. Set size (start with one contract). 5. Set duration (day order for a scalp). Then submit and watch for the fill.

Working the order

If a mid-priced limit doesn’t fill quickly, you can adjust it toward the ask to get done — a small step in your favor often triggers a fill. On a fast-moving option, don’t chase too far; if you’re missing fills and the setup is live, a marketable limit gets you in with a slippage cap. Read the quote (bid/ask/volume) first so you’re pricing sensibly.

A limit order is five fields: contract, side, price, size, duration. The skill is pricing it — near the mid to save cost, at the market to guarantee the fill.

The takeaway

Placing a limit is simple; pricing it well (mid for savings, marketable for speed) is the skill. Trade liquid strikes where fills are clean. NoVo removes this step entirely on execution — one click handles the order and routing with fill quality in mind — but knowing how to place a limit yourself is fundamental.