Scalping P&L Calculator
Enter account size, risk per trade, R:R ratio, win rate, and trades per day to calculate expectancy per trade, daily P&L, monthly returns, and whether your scalping strategy has a positive edge.
How This Tool Works
Scalping P&L is determined entirely by your mathematical edge: expectancy per trade multiplied by trading frequency.
Risk per Trade = Account × Risk% ÷ 100
Reward per Trade = Risk per Trade × R:R Ratio
Expectancy = (Win Rate × Reward) − (Loss Rate × Risk)
Break-even Win Rate = 1 ÷ (1 + R:R) × 100
If your actual win rate exceeds the break-even win rate, you have a positive edge. Monthly P&L = Expectancy × Trades per Day × Trading Days. The tool flags negative-edge setups and shows exactly how much your win rate exceeds or falls short of break-even.
Learn the Concepts
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