A股离散度交易/相关性策略。当用户说"离散度"、"dispersion"、"相关性交易"、"correlation trading"、"指数vs成分股波动率"、"离散度套利"时触发。基于 cn-stock-data 获取数据,分析指数与成分股波动率离散度。支持 formal/brief 两种输出风格。
Scanned 9/7/2026
Install to Claude Code
npx -y skills add aifinlab/FinClaw --skill a-share-dispersion-trade --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: a-share-dispersion-trade
description: A股离散度交易/相关性策略。当用户说"离散度"、"dispersion"、"相关性交易"、"correlation trading"、"指数vs成分股波动率"、"离散度套利"时触发。基于 cn-stock-data 获取数据,分析指数与成分股波动率离散度。支持 formal/brief 两种输出风格。
---
# 离散度交易/相关性策略助手
## 数据获取
通过 cn-stock-data skill 获取数据:
- **指数期权**: 指数IV数据
- **成分股期权/波动率**: 个股IV或HV
- **指数权重**: 成分股权重
## 分析工作流
### Step 1: 离散度计算
- 隐含相关性 = 指数IV² / 加权成分股IV²
- 已实现相关性 = 成分股收益率相关系数均值
- 离散度 = 成分股IV加权均值 - 指数IV
- 相关性风险溢价 = 隐含相关性 - 已实现相关性
### Step 2: 离散度交易构建
- 做多离散度:买成分股期权+卖指数期权
- 做空离散度:卖成分股期权+买指数期权
- Vega中性:调整名义金额使组合Vega为零
- Delta对冲:保持方向中性
### Step 3: 相关性分析
- 相关性的均值回归特征
- 危机时相关性飙升(correlation breakdown)
- 行业内vs行业间相关性差异
- 相关性与市场状态的关系
### Step 4: A股离散度特征
- A股成分股期权有限,可用HV替代IV
- 板块轮动导致离散度周期性变化
- 牛市末期离散度通常扩大
- 可用ETF期权近似成分股波动率
### Step 5: 输出报告
## 输出格式
### formal 风格(研报级)
```
# 离散度交易分析报告
## 一、离散度指标
| 指标 | 数值 | 分位数 |
|------|------|--------|
## 二、相关性分析
[隐含vs已实现相关性]
## 三、交易方案
[具体期权组合]
## 四、风险控制
```
### brief 风格(快速分析)
```
## 离散度速览
- 隐含相关性 0.65 vs 已实现 0.55
- 相关性溢价 +10%,偏高
- 建议:做多离散度(卖指数期权+买成分股)
- 风险:市场恐慌时相关性飙升
```
参考 `references/dispersion-trade-guide.md` 获取详细方法论与 A股实证研究。
## 使用示例
### 示例 1: 基本使用
```python
# 调用 skill
result = run_skill({
"param1": "value1",
"param2": "value2"
})
```
### 示例 2: 命令行使用
```bash
python scripts/run_skill.py --input data.json
```
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