Win Rate & Expectancy Calculator
Calculate your trading system's statistical edge: expectancy and profit factor.
CFA, CMT โ Chartered Financial Analyst & Chartered Market Technician
Former institutional trader with 15 years experience across equities, forex and derivatives. Now focused on financial education.
Related calculators
Kelly Criterion Calculator
Calculate the mathematically optimal position size to maximise long-run growth without risking ruin.
Sharpe Ratio Calculator
Calculate risk-adjusted returns from your monthly return series โ paste in your trading journal data.
R-Multiple Calculator
Track your trades in R-multiples. Paste in your trade results to calculate total R, expectancy and win rate.
About the Win Rate & Expectancy Calculator
Expectancy = (Win Rate ร Avg Win) โ (Loss Rate ร Avg Loss). A positive expectancy means your system makes money over time.
Profit Factor above 1.5 is considered robust; above 2.0 is excellent.