A 70% win rate with terrible risk-reward still loses money. Feed in your system's numbers — the arithmetic decides whether the edge is real or just feels real. Runs in your browser, nothing leaves your device.
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(win% × avg win) − (loss% × avg loss), in R multiplesavg loss ÷ (avg win + avg loss)Past expectancy is not future expectancy: backtests overfit, live fills are worse, and psychology spends the edge. Not financial advice.