Win rate in trading: why it does not guarantee profit?

Do you have a 70% success rate but are still in the red? You are not alone. Many traders confuse win rate (percent of profitable trades) with strategy profitability. It's like confusing the number of winning matches with the number of goals scored.

How it works

The formula is simple: (Profitable trades / All trades) × 100

Example: out of 50 trades, 30 were profitable = 60% win rate. Sounds solid, but it doesn't give the full picture.

The Paradox of 80% Win Rate

The trader makes 100 deals:

• 80 deals at +10$ = +800$
• 20 deals at -100$ = -2000$
• Result: -1200$ with a win rate of 80%

Here is another scenario:

• 40 deals at +50$ = +2000$
• 60 transactions at -10$ = -600$
• Result: +1400$ with a win rate of 40%

The difference is in the risk/reward ratio (Risk/Reward). If you earn more on wins than you lose on losses, a low win rate can be profitable.

What is really important?

Expectancy of the deal = (Win rate × Average profit) − ((1 − Win rate) × Average loss)

This shows how much you earn on average per deal. This is more important than the win rate itself.

3 steps to sustainable profit

1. Keep a log: All transactions, reason for entry, reason for exit, size of risk
2. Analyze the reasons: Not only the quantity but also the quality of transactions.
3. Focus on the rules: Trade by strategy, not by emotions

Win rate is just one parameter. True success is a balance between the frequency of wins and the size of profit on each of them.