Sometimes your fill comes back a hair better than the quote you expected. That’s price improvement — small per trade, meaningful over many.
NoVo Options Trading ·
Educational only, not financial advice. Market rules and thresholds can change — verify current specifics with the exchanges or your broker.
Price improvement is when your order fills at a better price than the prevailing NBBO — saving you a little on the trade. It’s the upside of modern fragmented, competitive markets.
How it happens
When your marketable order routes to a market maker (often via payment for order flow), the market maker may fill you inside the NBBO — a buy below the best offer, a sell above the best bid. Even a fraction of a cent per share is price improvement. Wholesalers do this to attract flow and because they still profit on the spread.
Why it matters
For a single small trade, price improvement is tiny. But for an active scalper making many trades, small per-trade savings compound — it’s part of the total execution cost picture that matters more than headline commissions. Good execution (price improvement, tight fills) is a real, if quiet, edge.
Price improvement is the market handing you a slightly better fill than the quote. Trivial once, real over thousands of scalps.
What it means for a scalper
Favor liquid strikes and good execution to maximize the odds of price improvement and minimize the spread you pay. It’s the flip side of slippage — sometimes fills come back better. Execution cost is one of the few edges fully inside your control, which is why it is worth the attention.
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NoVo is a software tool for market analysis, 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.
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