Risk-of-Ruin Calculator
#1 Professional Grade Trading Academy
Forex Position size Calculator — A very important forex trading tool for every serious forex trader. This is a free Forex tool provided by Asia Forex Mentor that allows you to calculate the correct lot size and units needed to manage your risk accurately. It works with majority of the currency pairs and all you need to do is to fill the details below and press the button “Calculate”:
Risk of Ruin Calculator
Risk of Ruin estimates the probability of losing your entire trading account based on your win rate, risk per trade, and risk/reward ratio. It helps assess the sustainability of your trading strategy.
Calculation Results
This tool is for educational purposes and does not constitute financial advice.
Probability of Ruin
Risk of Ruin is the probability of losing your entire trading account based on your trading parameters. Lower is better – aim for less than 1%.
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10% Drawdown
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probability
20% Drawdown
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probability
50% Drawdown
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probability
Expected Growth
Edge is your mathematical advantage per trade. Edge = (Win Rate × Reward) – (Loss Rate × Risk). Positive edge means profitable strategy.
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