The Edge Map

Win rate and reward-to-risk are ONE thing, not two knobs. Every point on this map is an edge; the white curve is breakeven. Raising R:R without sliding down the dashed curve is a different, much stronger edge claim -- not a free upgrade.
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Color is expectancy per $1 risked: E = winRate × RR − (1 − winRate). Green earns, red loses, the white curve is E = 0 (winRate = 1/(1+RR)). The thin lines are constant-expectancy contours. When someone moves the R:R slider and keeps their win rate frozen, they jump contours -- they did not tune a setting, they claimed a much bigger edge. Real strategies slide DOWN as targets widen: fewer trades reach the farther target. How far yours slides is an empirical fact about your exits -- measure it from your fills before planning around it. Part of the free, open Prop Firm Lab.