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Options 101
Getting Filled at the Mid on SPY Options
Every time you cross the full spread, you hand money to the market. On liquid SPY strikes you often don't have to — the mid is reachable if you ask for it.
NoVo Options Trading · 2026
The mid (or midpoint) is simply the price halfway between the bid and the ask. If a SPY option is 1.20 bid / 1.30 ask, the mid is 1.25. Buy at the ask and sell at the bid and you pay the whole spread twice; fill at the mid on both ends and you cut that cost roughly in half.
Why mid fills are possible
The bid and ask aren't hard walls — they're the best resting orders. A market maker will often meet a limit order between them if there's still edge for them at that price. On liquid, near-the-money SPY strikes there's enough two-sided flow that mid (or near-mid) fills are routine. The tool for it is a limit order at the mid, not a market order that just crosses the spread.
A market order pays the spread by default. A mid-price limit asks the market to meet you — and on liquid SPY strikes, it usually will.
Walking the price
If a mid limit doesn't fill in a few seconds, “walk” it — nudge the limit a penny toward the ask (buying) until it fills. You capture most of the mid savings while still getting done. In a fast tape, don't over-anchor to a perfect mid fill and miss the trade; a penny of spread is cheaper than chasing a move that already left.
Why it matters for scalping
Scalping is a game of many small trades, so the spread you pay per round trip compounds into a real drag on results. Getting near-mid fills on liquid strikes is one of the quiet edges that separates a viable scalping plan from one that bleeds out on transaction costs. It also argues for trading strikes deep enough in quotes and liquidity that the mid actually means something.
More on this: How Do I Avoid Getting Chopped Up in a Range?
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NoVo is a software tool for market analysis and for executing trades you initiate, not financial advice. This article is general education, not investment advice. Options trading involves substantial risk of loss, up to and including your entire capital. NoVo makes no guarantee of profit, win rate, or performance, and past results do not predict future outcomes. You are responsible for your own broker account, configuration, and trading decisions.