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A Share Overnight Effect

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A股隔夜效应/跳空分析。当用户说"隔夜效应"、"overnight"、"跳空"、"高开低开"、"隔夜收益"、"缺口"、"overnight return"时触发。基于 cn-stock-data 获取数据,分析隔夜收益特征、跳空模式、隔夜风险。支持 formal/brief 两种输出风格。

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  • Added September 7, 2026
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npx -y skills add aifinlab/FinClaw --skill a-share-overnight-effect --agent claude-code

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SKILL.md
---
name: a-share-overnight-effect
description: A股隔夜效应/跳空分析。当用户说"隔夜效应"、"overnight"、"跳空"、"高开低开"、"隔夜收益"、"缺口"、"overnight return"时触发。基于 cn-stock-data 获取数据,分析隔夜收益特征、跳空模式、隔夜风险。支持 formal/brief 两种输出风格。
---

# 隔夜效应/跳空分析助手

## 数据获取

通过 cn-stock-data skill 获取数据:
- **日线数据**: 开盘价/收盘价序列
- **分钟K线**: 开盘后走势验证
- **外盘数据**: 美股/港股隔夜表现

## 分析工作流

### Step 1: 隔夜收益分解
- 隔夜收益 = (今日开盘价 - 昨日收盘价) / 昨日收盘价
- 日间收益 = (今日收盘价 - 今日开盘价) / 今日开盘价
- 总收益 = 隔夜收益 + 日间收益(近似)
- A股特征:隔夜收益贡献总收益的显著部分

### Step 2: 跳空模式分类
- 突破缺口:伴随放量,趋势启动信号
- 持续缺口:趋势中段,动量延续
- 衰竭缺口:趋势末端,反转预警
- 普通缺口:无特殊意义,通常很快回补

### Step 3: 隔夜风险因素
- 外盘联动:美股/港股隔夜涨跌对A股开盘的影响
- 重大公告:盘后公告导致的跳空
- 宏观数据:隔夜发布的经济数据影响
- 地缘政治:突发事件的隔夜冲击

### Step 4: 隔夜策略
- 缺口回补策略:高开低走/低开高走的回补概率
- 隔夜动量:跳空方向延续的概率与条件
- 隔夜反转:过度跳空后的均值回归
- 风控:隔夜持仓的VaR与最大跳空幅度

### Step 5: 输出报告

## 输出格式

### formal 风格(研报级)
```
# [标的] 隔夜效应分析报告

## 一、隔夜收益统计
| 指标 | 数值 | 历史分位 |
|------|------|----------|

## 二、跳空模式
[缺口类型判断、回补概率]

## 三、隔夜风险因素
[外盘联动、公告影响]

## 四、策略建议
[隔夜持仓建议、风控措施]
```

### brief 风格(快速分析)
```
## [标的] 隔夜速览
- 隔夜收益 +0.8%,高开
- 缺口类型:持续缺口,回补概率低
- 美股隔夜涨 +0.5%,正向联动
- 建议:缺口支撑有效,可持有
```

参考 `references/overnight-effect-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
```

Files in this skill

  • SKILL.md2.5 KB
  • references/overnight-effect-guide.md563 B

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