盈亏比计算器
risk-reward• 用进场价·止损价·目标价计算盈亏比(R:R)与保本胜率。 • 用比率判断某个位置是否风险小、回报大。
填写后同时计算风险与回报金额
盈亏比
1 : 2.00
风险
5.00%
回报
10.00%
在该盈亏比下达到保本所需的最低胜率。
Work back from a target ratio
Enter the ratio you want and see what target price it takes. Uses the entry and stop above.
Enter 2, for example, to get the target price that makes the ratio 1:2.
Win rate needed to break even
The larger the ratio, the lower the win rate you need.
The formula is 1 ÷ (1 + ratio). It excludes fees and slippage, so a real account needs a slightly higher rate.
什么是盈亏比（风险回报比）？
盈亏比是单笔交易所承担的风险（进场价与止损价之差）与预期回报（目标价与进场价之差）的比值。通常写成 1:2，数字越大表示以较小风险博取较大收益。
盈亏比 = 回报 ÷ 风险。例如进场 10,000、止损 9,500（风险 500）、目标 11,000（回报 1,000），盈亏比为 1:2。多头与空头以相同方式计算。
保本胜率是在给定盈亏比下达到保本所需的最低胜率，为 1 ÷（1 + 盈亏比）：1:2约 33%，1:1 为 50%。盈亏比越高，越能以较低胜率盈利。未计入手续费与滑点。
Frequently asked questions
How is the risk-reward ratio calculated?
target − entry
What target price gives me a 2:1 ratio?
Enter the ratio under Work back from a target ratio. The formula is target = entry + ratio × (entry − stop). From an entry of 10,000 with a 9,000 stop, a 2:1 ratio puts the target at 12,000, a 20% move.
What does break-even win rate mean?
The minimum share of trades you need to win just to break even at that ratio. The formula is 1 ÷ (1 + ratio): 50% at 1:1, 33.3% at 1:2, 25% at 1:3. So winning only 30% of the time can still come out ahead at 1:3.
Are fees and slippage included?
No — this is a price-only theoretical figure. Commission, tax and slippage all push the required win rate higher in practice, and the tighter your stop, the more those costs matter relative to the trade.
Is a higher ratio always a better trade?
The ratio alone does not tell you. Pushing the target further away improves the number but lowers the odds of ever reaching it. The ratio only means something alongside your actual win rate — this tool shows the relationship between the two, not whether to take the trade.