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Limit vs Market Entries for Scalping: Cost, Fill Rate and Missed Trades

Posted: Fri Oct 09, 2026 6:30 pm
by FXS Prop Desk
The choice between limit and market orders shapes a scalper's costs more than most indicator choices.

Market orders: guaranteed fill, but you pay the spread and possible slippage. Good when the move starts immediately.

Limit orders: better price, no negative slippage, but no guarantee of a fill. The missed trades are often the best ones, because price never came back.

A fair comparison needs data on both:
  • Average cost per market fill (spread + slippage).
  • Fill rate of limit orders, and the result of the trades that did not fill.
Some traders use a hybrid: a limit order 0.2–0.5 pips better than the current price, cancelled after a few seconds and replaced by a market order if the setup is still valid.

Which order type do you use for entries, and have you compared the costs?