Formulas
Net break-even win rate = net loss ÷ (net loss + net gain)
EV per trade = p × net gain − (1 − p) × net loss, also shown in R (EV ÷ net loss).
These are textbook statistics over many trials; real results vary and can be worse.
Educational tools only. Not investment, financial, or trading advice. RiskReward.io is not a registered investment adviser or broker-dealer. Trading involves substantial risk of loss. Calculator outputs do not guarantee results. [DISCLAIMER PLACEHOLDER: pending counsel review]
Understand how win rate, R:R and fees interact, using hypothetical inputs.
Outputs are arithmetic on the numbers you enter. They are not predictions and not a recommendation to trade.
Net break-even win rate = net loss ÷ (net loss + net gain)
EV per trade = p × net gain − (1 − p) × net loss, also shown in R (EV ÷ net loss).
These are textbook statistics over many trials; real results vary and can be worse.