docs: 止损+RR定稿——固定-12%止损 + RR2.5止盈(+30%)
21组合扫描(7止损×3RR): 固定-12%+RR2.5最优(avg+5.13%/wr57.5%/去2018+6.34%)
跌破前低止损验证: 距前低<5%→止损距离仅4-8%, 深超跌高波动频繁被扫(wr42-53%)
RR验证: 止盈/止损=30/12=2.5>=2 ✅
入场: 甜区+bias60+RSI+急跌+距前低<5%+每月≤8+等权6槽
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@@ -413,3 +413,33 @@ r5f/RSI/bias60 合成强度分,十等分:D1(+1.24%/41%) → D10(+18.17%/90.5
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- 弱支撑S1距入场仅1.6%→wr崩至17.9%(太近,一买就被扫)
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- 强支撑S2可能在-20~-40%→最大单亏-41.6%(太远=没止损,扛单扛到死)
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- **深超跌票下方无可靠技术支撑,止损用固定-12%(回测最优),入场用"距前低<5%"筛选确保有承接**
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## 18. 止损+RR 正式定稿(2026-08-03,RR维度验证)
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> 老莫要求:①支撑太远不买(已落地§17);②必须考虑RR(Risk/Reward盈亏比)。本节省完整验证。
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### 18.1 止损×RR 全组合扫描(7止损 × 3RR = 21组合,每月≤8)
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| 止损 | RR | avg | wr | 去2018 | max亏 |
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|------|-----|-----|-----|--------|-------|
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| **固定-12%** | **2.5** | **+5.13%** | 57.5% | **+6.34%** | -12.0% |
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| 固定-12% | 2.0 | +5.11% | **58.9%** | +6.23% | -12.0% |
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| 固定-12% | 3.0 | +5.17% | 56.5% | +6.22% | -12.0% |
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| ATR×3 | 3.0 | +4.61% | 57.2% | +5.51% | -22.4% |
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| 前低-8% | 3.0 | +4.24% | 51.0% | +5.04% | -12.2% |
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| 前低-6% | 3.0 | +3.73% | 48.3% | +4.40% | -10.3% |
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### 18.2 为什么"跌破前低止损"不如固定-12%(诚实结论)
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- v_weak 入场要求距前低<5%(§17),跌破前低止损距离仅4-8%
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- 深超跌高波动票的正常波动就达4-6%,支撑止损太紧频繁被扫(wr 42-53% vs 固定58.9%)
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- **支撑筛选已在入场侧完成(确保下方有承接),止损侧用固定-12%控制单笔风险**
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### 18.3 正式止损+止盈逻辑
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- **止损**:入场价 -12%(盘中触发即出)
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- **止盈**:入场价 +30%(= RR2.5 × 12%止损距离,满足盈亏比≥2:1要求)
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- **超时**:40个交易日按收盘平仓
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- **同日冲突**:止损优先
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- **RR 验证**:止盈/止损 = 30/12 = 2.5 ≥ 2 ✅
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### 18.4 入场筛选(完整)
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弱市(MA20下) + ADX∈[25,30] + bias60∈[-35,-20] + RSI≤25 + 5日急跌≤-3% + **距20日低点<5%(下方有支撑)** + 每月≤8 + 等权6槽
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