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    风险/收益计算器

    计算并可视化加密货币交易的风险收益比。输入入场价、止损和止盈，即可查看 R:R 比率、盈亏平衡胜率和盈亏情况。

    Trade Setup

    做多时低于入场价，做空时高于入场价

    Risk : Reward Ratio

    1 : 3.00

    Excellent

    Visual Breakdown

    风险 3.3%
    reward 10.0%
    SL$87,000
    入场价$90,000
    TP$99,000
    📈 long_position

    风险

    3.33%

    Reward

    10.00%

    盈亏平衡胜率

    25.0%

    方向

    Long ↑

    Potential Loss

    -$33.33

    Potential Profit

    +$100

    What Is a Risk-Reward Ratio?

    A risk-reward ratio (R:R) compares the potential loss of a trade to its potential profit. It's expressed as 1:X, where X represents how many dollars you stand to gain for every dollar you risk. For example, a 1:3 R:R means you risk $1 to potentially make $3.

    The R:R ratio is calculated before entering a trade using three price levels: your entry price (where you open the position), stop-loss (where you exit if wrong), and take-profit (where you exit with profit). The distance between entry and stop-loss is your risk; the distance between entry and take-profit is your reward.

    Professional traders consider R:R the foundation of every trade decision. A trade might have a compelling technical setup, but if the R:R is below your minimum threshold, it's not worth taking. This discipline separates consistent traders from gamblers.

    Why R:R Matters More Than Win Rate

    Most beginner traders focus obsessively on win rate — \"How often do I win?\" But in reality, it's entirely possible to be profitable while losing most of your trades, as long as your winners are significantly larger than your losers.

    Consider two traders over 100 trades:

    Trader A: High Win Rate, Poor R:R

    • 胜率：70%（70 次盈利，30 次亏损）
    • 平均盈利：$50
    • 平均亏损：$150
    • 总盈利：70 × $50 = $3,500
    • 总亏损：30 × $150 = $4,500
    • Net: -$1,000 (losing money)

    Trader B: Low Win Rate, Great R:R

    • Win rate: 35% (35 wins, 65 losses)
    • Average win: $300
    • Average loss: $100
    • Total profit: 35 × $300 = $10,500
    • Total loss: 65 × $100 = $6,500
    • Net: +$4,000 (profitable)

    Trader B wins only 35% of the time but makes nearly 4x more money. This is the power of risk-reward ratios. The formula that connects these two metrics is called expectancy:

    Expectancy = (Win Rate × Avg Win) − (Loss Rate × Avg Loss)

    如何正确设置止损和止盈位

    R:R ratios are only as good as the levels you choose. Here's how to set meaningful stop-loss and take-profit levels:

    Stop-Loss Placement

    Place your stop-loss at a level where your trade thesis is invalidated — typically just beyond a support level (for longs) or resistance level (for shorts). Don't set arbitrary stops like \"5% below entry.\" Instead, identify the technical level where the price structure breaks down.

    Take-Profit Placement

    将止盈位设置在下一个关键阻力位（做 long 时）或支撑位（做 short 时）。常见目标包括前期波段高点/低点、斐波那契延伸位或整数心理关口。止盈位必须切合实际——在短线 scalp 交易中将止盈设在历史高点，只会让你的 R:R 产生误导。

    入场优化

    改善 R:R 的最佳方式不是将止盈位设得更高，而是寻求更好的入场时机。等待价格回调至支撑位后再入场做 long，可以收紧止损、扩大盈利空间，在不改变目标价的前提下大幅提升 R:R。

    Real Trade Examples

    示例 1：BTC 做多，R:R 为 1:2.5

    • Entry: $88,000 (bounced off 21-day EMA)

    • Stop-loss: $86,000 (below previous swing low)

    • Take-profit: $93,000 (at previous resistance)

    • Risk: $2,000 (2.3%) | Reward: $5,000 (5.7%)

    • R:R = 1:2.5 — 盈亏平衡所需胜率为 29%

    示例 2：ETH 做空，R:R 为 1:3

    • Entry: $3,600 (rejected at resistance trendline)

    • Stop-loss: $3,720 (above the wick high)

    • Take-profit: $3,240 (at major support zone)

    • Risk: $120 (3.3%) | Reward: $360 (10%)

    • R:R = 1:3 — 盈亏平衡仅需 25% 胜率

    常见的 R:R 错误

    ❌ 为规避亏损而移动止损位

    当价格接近止损位时，将止损位进一步移远会破坏你原本规划的 R:R，使可控亏损演变为不可控亏损。你的止损位是在入场前设定的，有其存在的理由——请严格遵守。

    ❌ Closing Winners Early

    原计划 1:3 出场，却在 1:1 时提前止盈，实际 R:R 将缩水三分之二。如果你频繁提前平仓，实际期望值将远低于理论计算值。

    ❌ Unrealistic Take-Profit Targets

    在震荡市场中将止盈位设于入场价上方 50%，账面上的 R:R 看起来很漂亮，但实际上永远不会触及。你的止盈位必须设在价格能够实际到达的水平。

    ❌ Ignoring Fees on Tight R:R Setups

    在 1% 的行情中进行 1:1 交易，若单次往返手续费为 0.1%，则实际 R:R 将低于 1:1。在空间较小的交易设置中，手续费的影响极为显著——务必将其纳入计算。

    R:R Reference Guide

    R:R Ratio盈亏平衡胜率Rating适用场景
    1:0.567%poorAvoid unless very high win rate
    1:150%AcceptableScalping with >55% accuracy
    1:1.540%DecentDay trading with good entries
    1:233%goodDay trading, swing trading
    1:325%ExcellentSwing trading (recommended)
    1:517%OutstandingPosition trades, breakouts
    1:109%rareMajor trend catches

    Frequently Asked Questions

    What is a good risk-reward ratio?+
    Most professional traders aim for at least 1:2 — risking $1 to make $2. A 1:3 ratio means you only need to win 25% of your trades to break even, making it very forgiving. The 'right' R:R depends on your strategy: scalpers can work with 1:1 if they have a 55%+ win rate, while swing traders typically need 1:2 or better.
    如何计算风险收益比？+
    R:R = (Take-Profit − Entry) ÷ (Entry − Stop-Loss) for longs. For shorts, reverse: R:R = (Entry − Take-Profit) ÷ (Stop-Loss − Entry). This calculator handles both directions automatically. Always measure from your actual entry price, not from the current market price.
    Should I always use the same R:R?+
    Not necessarily. Scalpers may accept 1:1 with high win rates, while swing traders often target 1:3 or better. The key is that your average R:R × win rate must be profitable over time. Many professionals have a minimum R:R threshold (e.g., 'I never take a trade below 1:1.5') but will increase it for higher-conviction setups.
    What's the break-even win rate?+
    盈亏平衡胜率 = 1 ÷ (1 + R:R)。R:R 为 1:2 时，您需要赢得 33% 的交易；R:R 为 1:3 时，只需 25%。这正是良好的 R:R 比率比高胜率更重要的原因。一位胜率 30%、R:R 为 1:4 的交易者，比胜率 60%、R:R 为 1:0.5 的交易者更能盈利。
    交易手续费如何影响 R:R？+
    手续费会降低您的实际收益并增加实际风险。在 $10,000 的仓位上，0.1% 的 taker 手续费往返（开仓+平仓）共需 $20。对于风险敞口为 $100 的 1:1 紧凑交易，手续费将吞噬您 20% 的利润。在计算 R:R 时务必将手续费纳入考量，尤其是高频交易或大规模仓位时。
    What is expectancy and how does it relate to R:R?+
    期望值 = （胜率 × 平均盈利）-（败率 × 平均亏损）。正期望值意味着您的策略长期来看能够盈利。R:R 直接影响期望值：在 R:R 为 1:2、胜率 40% 的情况下，每承担 $1 风险的期望值 = (0.4 × $2) - (0.6 × $1) = +$0.20。即每承担 $1 风险，您可获得 $0.20 的收益。
    R:R 比胜率更重要吗？+
    Neither is more important in isolation — what matters is the combination. A system with 80% win rate but 1:0.2 R:R loses money. A system with 25% win rate but 1:5 R:R is very profitable. Track both metrics and calculate your expectancy to know if your trading is sustainable.
    如何提升我的 R:R 比率？+
    Three ways: (1) Tighten your stop-loss by entering at better prices near support/resistance. (2) Extend your take-profit to the next major resistance or support level. (3) Avoid 'revenge trading' setups where you're forcing a trade that doesn't have a natural R:R above your threshold. Let the setup come to you.

    Derivatives & Leveraged Products — Important Risk Warning

    Derivatives are complex financial instruments that carry a high risk of rapid capital loss. Leveraged trading (futures, perpetual contracts, margin trading, options) can result in losses that exceed your initial investment. The majority of retail investor accounts lose money when trading derivatives.

    You should carefully consider whether you understand how derivatives work and whether you can afford to take the high risk of losing your money. This content is for educational purposes only and does not constitute financial advice, investment advice, or a recommendation to trade derivatives.

    In the European Union, crypto derivatives are classified as financial instruments under MiFID II. Only platforms with appropriate MiFID II authorization may offer these products to EU residents. Regulatory treatment varies by jurisdiction — verify the legal status of derivatives trading in your country before participating.

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