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Risk Management for Traders: Position Size, Stops and the 1% Rule

Risk management decides whether you survive. Learn position sizing, stop losses, risk-reward and the 1% rule with worked examples.

Why risk comes before strategy

Most traders who quit were not out of ideas; they were out of money. A good strategy still has losing streaks. Risk management makes sure a bad week does not end your account.

The goal is simple: keep each loss small enough that you can take many of them and still be trading.

The 1% rule

Risk no more than 1% of your account on any single trade (some traders use 0.5% to 2%). On a $5,000 account, 1% is $50. That is the most you accept losing if your stop loss is hit.

Ten losses in a row would cost about 9.6% of the account, not 100%. That is the whole point.

Working out position size

Position size = amount risked ÷ stop distance in money per unit. Example: you risk $50, your stop is 25 pips away and a micro lot is worth about $0.10 per pip. 25 pips × $0.10 = $2.50 per micro lot, so you can trade up to 20 micro lots (0.20 standard lots).

Always place the stop first based on the chart, then calculate the size. Never choose the size first and squeeze the stop to fit.

Risk-reward and win rate

If you risk $50 to make $100, your risk-reward ratio is 1:2. With 1:2, you only need to win more than one trade in three to be profitable before costs. With 1:1 you need over half.

Do not chase high ratios blindly: targets that are too far away get hit less often. Test your own numbers in the journal or the backtester.

Daily and weekly loss limits

Set a maximum daily loss (for example 3%) and stop for the day when you reach it. Prop firms enforce exactly this rule, and it protects you from revenge trading when you are emotional.

Mistakes that break accounts

Moving the stop further away "to give the trade room", adding to a losing position, risking more after a loss and trading several highly correlated pairs at once (for example EUR/USD, GBP/USD and AUD/USD are all effectively a bet against the dollar).

Fix them with rules: the stop never moves further from entry, total open risk never exceeds a set percentage such as 3%, and correlated trades count as one.

Key takeaways

  • Risk about 1% of the account per trade.
  • Set the stop from the chart, then calculate the size.
  • Know your risk-reward ratio and your win rate together.
  • Use a daily loss limit to stop tilt.

FAQ

  • What is a good risk per trade? Between 0.5% and 2% of the account is common. Beginners are safer at 1% or less.

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Educational content, not financial advice.