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Calculating Risk Per Trade: The 1% Rule Explained

The 1% rule is the golden rule of risk management. Learn how to calculate your risk per trade and why it is essential.

T
TradingUnie
24 June 2026
5 min read
#risico#1% regel#risicomanagement#positiegrootte

Calculating Risk Per Trade

The 1% rule is the most important rule in trading. It means that you never risk more than 1% of your account on a single trade.

What Is The 1% Rule?

The 1% rule means that you risk a maximum of 1% of your total account balance on a single trade. If your account is $10,000, you risk a maximum of $100 per trade.

Why 1%?

Protection Against Losing Streaks

With 1% risk per trade, you can have 100 consecutive losers before your account is empty.

Emotional Peace

If you know you risk maximum 1% per trade, every trade is less stressful.

Long Term Success

The 1% rule protects your capital so you can stay in the market long enough to become profitable.

How To Calculate Your Risk?

Step 1: Determine Your Account Balance

For example: $10,000

Step 2: Calculate 1%

1% of $10,000 = $100

Step 3: Determine Your Stop Loss

For example: 50 pips on EUR/USD

Step 4: Calculate Your Lot Size

If 1 pip at a standard lot is worth $10:

  • $100 risk / 50 pips = $2 per pip
  • $2 per pip / $10 per pip per lot = 0.2 lots

Variations on the 1% Rule

0.5% for Beginners

As a beginner, it is wise to be even more conservative.

2% for Experienced Traders

Experienced traders with a proven strategy can consider 2% risk. But never more.

Common Mistakes

  • Not calculating risk but just choosing a lot size
  • Increasing risk after profit
  • Not using a stop loss
  • Multiple positions in the same pair without considering total risk

Tips

  • Use a position calculator
  • Calculate your risk before opening a trade
  • Keep a log of your risk per trade
  • Adjust your lot size as your account grows or shrinks

Conclusion

The 1% rule is the foundation of all risk management. It protects your capital, gives you emotional peace, and ensures long-term success.

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