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Risk/Reward Ratio: The Essential Pre-Trade Evaluation

Risk Management · 6 min read

What is Risk/Reward Ratio?

Risk/Reward Ratio = Potential Profit ÷ Maximum Risk. It's the most overlooked concept among retail traders, yet one of the most important tools professionals use before every trade.

Calculation Example

💡 線上有位 automatically calculates risk/reward ratio in individual stock reports, so you can evaluate every trade instantly.

R/R Ratio Standards

R/R Ratio and Win Rate

Even with only 40% win rate, a consistent 3:1 R/R ratio produces long-term profits. Conversely, 70% win rate with 0.5:1 R/R (winning small, losing big) leads to long-term losses.

FAQ

What R/R ratio is good?

Generally aim for at least 1:2. If your win rate is above 60%, a 1:1.5 ratio may be acceptable.

How do I set the profit target?

Place targets at technical levels: previous highs, round numbers, or MA resistance. Avoid arbitrary targets.

Can I trade with poor R/R but high win rate?

Be cautious. High win rate / low R/R strategies are vulnerable to one large loss wiping out many small gains.

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