Algo Trading School

Win rate

Win rate alone says nothing: a strategy winning 95% of trades loses money if the 5% of losses outweigh the wins, and a 30% win rate can be excellent when winners are three times the size of losers.

The pair (win rate, average win / average loss) is what determines expectancy — the average result per trade. Marketing that quotes win rate without loss size is either naive or deliberately incomplete.

Covered in depth in Lesson 13: Win rate is a vanity metric. Expectancy pays the bills..

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