a-share-twap-strategy
BusinessA股TWAP时间加权/匀速执行策略。当用户说"TWAP"、"时间加权"、"匀速下单"、"TWAP算法"、"均匀执行"、"时间切片"时触发。基于 cn-stock-data 获取数据,设计TWAP执行方案、分析执行偏差、优化时间切片。支持 formal/brief 两种输出风格。
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TWAP时间加权/匀速执行策略助手
数据获取
通过 cn-stock-data skill 获取数据:
- 分钟K线: 1分钟线
- 实时行情: 最新价格与成交量
- 历史成交量分布: 用于流动性评估
分析工作流
Step 1: TWAP方案设计
- 总量拆分:将目标数量均匀分配到各时间片
- 时间片长度选择:1分钟/5分钟/15分钟
- 执行窗口选择:避开开盘15分钟和收盘15分钟
- 随机化:在每个时间片内随机选择下单时点
Step 2: 流动性约束检查
- 单笔下单量 vs 该时段平均成交量的比例
- 参与率上限:通常不超过该时段成交量的20%
- 流动性不足时段的处理:跳过或减量
- A股特征:午盘开盘流动性较差
Step 3: 执行偏差分析
- TWAP偏差 = 实际均价 - 理论TWAP
- 偏差来源分解:市场冲击 + 时机选择 + 随机噪声
- 与VWAP执行的对比:哪种更优
- 不同市场环境下TWAP vs VWAP的选择
Step 4: 增强型TWAP
- Volume-weighted TWAP:按历史成交量分布调整
- Adaptive TWAP:根据实时价格偏离动态调整速度
- 价格保护:设置价格上下限,超限暂停执行
- A股涨跌停处理:触及涨跌停时的执行策略
Step 5: 输出报告
输出格式
formal 风格(研报级)
# [标的] TWAP执行方案
## 一、方案设计
| 参数 | 设置 |
|------|------|
| 总量 | 10万股 |
| 时间片 | 5分钟 |
## 二、流动性评估
[各时段流动性、参与率]
## 三、执行偏差预估
[预期偏差、成本估算]
## 四、增强建议
[自适应调整方案]
brief 风格(快速分析)
## [标的] TWAP方案速览
- 10万股拆分48个时间片(5分钟)
- 每片约2,083股,参与率约8%
- 预期执行偏差 ±0.05%
- 建议:使用Volume-weighted TWAP
参考 references/twap-strategy-guide.md 获取详细方法论与 A股实证研究。