Risk Per Trade

Risk Management

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This term is part of the full prop firm glossary.

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How does risk per trade work?

Risk per trade is the single most important variable in prop firm survival. Too high and a losing streak terminates the account. Too low and you cannot hit the profit target in a reasonable time. The sweet spot for most traders is 0.5-1.5% of account balance.

The math dictates the boundaries. With a 5% daily loss limit and 1% risk per trade, you can take 5 consecutive losses before hitting the daily limit. With 2% risk, only 2.5 losses. Given that 3-5 consecutive losses are common even in profitable strategies, 2% risk leaves almost no margin for error.

Risk per trade should also account for the profit target timeline. On FTMO with no time limit, you can afford lower risk (0.5%) and take more trades. On firms requiring minimum trading days or having monthly subscription fees, there is pressure to trade with higher risk to pass faster -- but this increases blow-up probability.

What does risk per trade look like in practice?

FTMO $100K with 10% max drawdown ($10,000) and 5% daily loss ($5,000). At 1% risk ($1,000/trade): max 5 consecutive losses before daily limit, max 10 before total drawdown breach. At 2% risk ($2,000/trade): max 2 before daily limit, max 5 before total breach. Statistics show a 50% win rate strategy has a 3.1% chance of 5 consecutive losses -- acceptable at 1% risk, dangerous at 2%.

Why does risk per trade matter for prop firm traders?

Risk Per Trade under prop firm constraints is different from retail. A 10% drawdown on a personal account is recoverable. On a funded account, it ends the account. Size accordingly.

Practical example across firms: FTMO: 2-step, static drawdown, 5% daily loss, from €155. TopStep: 1-step, trailing drawdown, 2% daily loss, from $49.

Common mistake: The most common mistake with risk per trade: using retail position sizing on a funded account. Prop accounts have hard breach levels that personal accounts do not. Size so your worst-case losing streak stays inside the drawdown limit.

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