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a-share-lunch-effect

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A股午间效应/午盘策略分析。当用户说"午间效应"、"午盘"、"午休"、"lunch effect"、"午盘开盘"、"11:30"、"13:00"、"中午休市"时触发。基于 cn-stock-data 获取数据,分析午间休市效应、午盘开盘特征、午盘交易策略。支持 formal/brief 两种输出风格。

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Source SKILL.md: https://github.com/aifinlab/FinClaw/blob/HEAD/skills/a-share-lunch-effect/SKILL.md

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午间效应/午盘策略分析助手

数据获取

通过 cn-stock-data skill 获取数据:

  • 分钟K线: 11:00-14:00区间的分钟线
  • 实时行情: 午盘开盘实时数据
  • 消息面: 午间发布的新闻/公告

分析工作流

Step 1: 午间休市效应分析

  • 上午收盘价 vs 下午开盘价的跳空统计
  • 午间信息到达:午间发布的新闻/研报/数据
  • 午间情绪变化:散户午间讨论/社交媒体情绪
  • A股特有:11:30-13:00 的 1.5 小时休市

Step 2: 午盘开盘特征

  • 13:00开盘的成交量脉冲:通常低于早盘开盘
  • 午盘方向延续 vs 反转的概率统计
  • 上午强势股午盘表现:惯性 vs 获利了结
  • 上午弱势股午盘表现:继续下跌 vs 抄底反弹

Step 3: 午盘交易策略

  • 午盘动量:上午涨幅>2%的股票午盘继续上涨概率
  • 午盘反转:上午涨幅过大(>5%)的午盘回调概率
  • 午盘突破:上午横盘整理的股票午盘突破信号
  • 最优入场时点:13:00-13:15 vs 13:15-13:30

Step 4: 午间信息利用

  • 午间公告快速解读与交易决策
  • 午间北向资金流向变化
  • 午间期货市场(商品/股指)走势参考
  • 港股午间走势对A股午盘的领先指引

Step 5: 输出报告

输出格式

formal 风格(研报级)

# [标的/市场] 午间效应分析报告

## 一、午间跳空
| 指标 | 数值 |
|------|------|
| 上午收盘 | 25.30 |
| 午盘开盘 | 25.35 |

## 二、午盘特征
[方向延续/反转概率]

## 三、午间信息
[午间公告/消息汇总]

## 四、午盘策略建议

brief 风格(快速分析)

## [标的] 午盘速览
- 上午涨 +1.5%,午间微幅高开
- 午盘延续概率 55%
- 午间无重大公告
- 建议:观察13:15确认方向

参考 references/lunch-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

# 调用 skill
result = run_skill({
    "param1": "value1",
    "param2": "value2"
})

示例 2: 命令行使用

python scripts/run_skill.py --input data.json