Understanding the Risk-to-Reward Ratio and Why It Matters

The risk-to-reward ratio (R:R) compares the amount you stand to lose if your stop loss is hit to the amount you stand to gain if your take-profit target is reached. A favourable R:R means that even with a relatively low win rate, you can be profitable over time.

How to Calculate Risk-to-Reward

Guide to calculate: R:R = (Entry Price − Stop Loss) / (Take Profit − Entry Price). Example: Buy EUR/USD at 1.0850. Stop loss: 1.0820 (30 pips of risk). Take profit: 1.0940 (90 pips of reward). R:R = 30 / 90 = 1:3. For every $1 you risk, you stand to make $3.

Profitability Without a High Win Rate

You do not need a high win rate to be profitable. With a 1:2 R:R, you only need a 34% win rate to break even. With a 1:3 R:R, you only need a 26% win rate to break even. A trader who wins only 4 out of 10 trades but consistently uses a 1:3 R:R will be more profitable than a trader who wins 7 out of 10 trades with a 1:1 R:R.

The minimum acceptable R:R: Most professional traders consider a minimum acceptable R:R of 1:2 for any trade they take. Below 1:1, the strategy is fundamentally unfavourable.

The Power of a Trade Journal

Keeping a trade journal: record your entry price, stop loss, take profit, R:R ratio, outcome, and notes on why you entered and exited. After 50–100 trades, your journal will reveal your actual win rate, average R:R, and which setups work best for you. This data is more valuable than any indicator or strategy you will find online.

Key Takeaway: A favourable risk-to-reward ratio is the mathematical foundation of a profitable trading strategy. Never enter a trade with an R:R below 1:2. Track your results in a journal to understand your actual performance, not your perceived performance.