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invest-a-gap-scan

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跳空缺口扫描 — 向上缺口 + 收盘未跌破 MA60 + 未回补，指数成分股池（沪深300+中证A500+科创50）触发词：缺口/跳空扫描

skills/invest-a-gap-scan/SKILL.md

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# invest-a-gap-scan 跳空缺口扫描

> **工具约束说明**：frontmatter 的 `allowed-tools` 是 Claude Code 约定；在 DSH 等不读取该字段的 harness 下不生效，实际可用工具由平台自身沙箱控制。本技能主体操作为本地数据采集与计算（Bash/Python 引擎）；部分维度经 WebSearch/WebFetch 补充检索

## 概述

扫描**沪深300 + 中证A500 + 科创50 成分股并集**（去重后约 450~500 只，随指数调仓变动），找出同时满足：

1. 近 60 个交易日内有**向上跳空缺口**（`low[i] > high[i-1]`，幅度 >= 1%）
2. 自缺口日起，在**可计算 MA60 的 bar** 上收盘未跌破 MA60（`close[t] >= MA60[t]`；含 epsilon 容差与有效值门槛，见「MA60 计算」）
3. 缺口形成后**最低价从未回补至上沿及以下**（`min(low[gap_idx+1:]) > gap_high`）

> **产出性质：观察清单。** 命中 = 「这几只标的存在未回补的向上缺口且未跌破 MA60」这一**规则化形态检出结果**，
> **不是交易信号、不是预测、不是推荐排序**，也不含任何方向性判断或基本面/事件核验。
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