test(premium): add ETF溢价率计算验证脚本及校验报告
新增验证脚本 tests/verify_premium_calculation.py,支持批量验证config.yaml中所有ETF 验证结果: - 11只ETF全部验证通过,溢价率计算与集思录完全一致 - 动态匹配原则正确:优先当天净值,不存在时用T-1净值 - 净值日期规则验证: - A股/港股/商品/债券/日本QDII:当天净值 - 美股QDII/欧洲QDII/原油QDII:T-1净值 相关文档: - ETF溢价率官方定义调研报告.md - ETF溢价率计算校验报告.md
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docs/experiments/ETF溢价率官方定义调研报告.md
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# ETF溢价率官方定义与计算规则调研报告
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## 一、官方定义
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### 1.1 溢价/折价概念(来源:21财经)
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**溢价**:交易价格 > 基金份额参考净值(IOPV)
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**折价**:交易价格 < 基金份额参考净值(IOPV)
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### 1.2 溢价率计算公式
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**实时溢价率**(盘中):
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$$\text{溢价率} = \frac{\text{交易价格} - \text{IOPV}}{\text{IOPV}} \times 100\%$$
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**历史溢价率**(收盘后):
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$$\text{溢价率} = \frac{\text{收盘价格} - \text{基金净值}}{\text{基金净值}} \times 100\%$$
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### 1.3 IOPV定义(来源:百度百科)
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**IOPV(Indicative Optimized Portfolio Value)** = 基金份额参考净值
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- **计算机构**:中证指数有限公司或证券交易所
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- **更新频率**:每15秒对外发布一次
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- **计算公式**:
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$$\text{IOPV} = \frac{\sum(\text{现金替代金额} + \text{持仓数量} \times \text{最新成交价}) + \text{预估现金部分}}{\text{最小申购赎回单位份额}}$$
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- **小数精度**:保留3位小数
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## 二、净值披露规则
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### 2.1 普通基金净值披露(来源:新浪财经)
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| 阶段 | 时间 | 内容 |
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|-----|------|------|
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| 数据准备 | 15:00-17:00 | 等待交易所数据导入 |
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| 净值计算 | 17:00-19:30 | 估值计算、托管银行复核 |
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| 风险检查 | 19:30-20:30 | 资金状况、持仓概况检查 |
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| **净值公布** | **约21:00前** | 基金公司官网公布**T日净值** |
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| 代销机构 | T+1日 | 银行、券商更新净值数据 |
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**结论**:普通基金的T日净值,在T日当晚21:00前公布。
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### 2.2 QDII基金净值披露(来源:私募排排网)
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QDII基金投资境外市场,存在**时差问题**:
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- 美股收盘时间:北京时间凌晨(T日交易实际在T+1日凌晨结束)
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- **净值计算**:需要等待境外市场收盘数据
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- **披露时间**:T+2日公布净值(非自然日,是交易日)
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**示例**:
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- 周一(T日)买入QDII基金
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- 周二凌晨美股收盘,基金净值才确定
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- 周三(T+2)投资者看到周一的净值
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## 三、历史溢价率计算规则
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### 3.1 核心问题
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计算历史溢价率时,关键问题是**净值日期匹配**:
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- **实时溢价率**使用IOPV(盘中每15秒更新)
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- **历史溢价率**使用基金净值(收盘后公布)
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### 3.2 净值日期选择规则
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根据官方披露规则:
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| 基金类型 | 净值披露时间 | 历史溢价率计算 |
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|---------|-------------|---------------|
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| **A股ETF** | T日当晚公布 | T日收盘价配**T日净值** |
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| **港股ETF** | T日当晚公布 | T日收盘价配**T日净值** |
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| **商品ETF** | T日当晚公布 | T日收盘价配**T日净值** |
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| **债券ETF** | T日当晚公布 | T日收盘价配**T日净值** |
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| **美股QDII** | T+2日公布 | T日收盘价配**T-1日净值** |
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| **日本QDII** | 视基金管理人 | 可能当天或T-1 |
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| **欧洲QDII** | 视基金管理人 | 可能当天或T-1 |
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### 3.3 动态匹配原则
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由于不同基金管理人的披露规则可能不同,推荐**动态匹配**:
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1. **优先使用当天净值**:如果T日净值已存在,使用当天净值计算
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2. **否则使用T-1净值**:如果T日净值不存在,使用前一日净值
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这是集思录的实际做法:根据数据可用性动态选择。
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## 四、验证示例
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### 4.1 创业板ETF(159915.SZ)- 当天净值
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集思录数据(2026-05-15):
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- 价格日期:2026-05-15
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- 收盘价:3.970
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- 净值日期:2026-05-15(当天)
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- 净值:3.9402
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- 溢价率:0.76%
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$$\text{溢价率} = \frac{3.970 - 3.9402}{3.9402} = 0.76\%$$
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### 4.2 纳指ETF(513100.SH)- T-1净值
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集思录数据(2026-05-15):
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- 价格日期:2026-05-15
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- 收盘价:2.100
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- 净值日期:2026-05-14(T-1)
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- 净值:2.0200
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- 溢价率:3.96%
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$$\text{溢价率} = \frac{2.100 - 2.0200}{2.0200} = 3.96\%$$
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**原因**:纳指ETF投资美股,净值T+1披露,2026-05-15的净值尚未公布。
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### 4.3 日经ETF(513520.SH)- 当天净值
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集思录数据(2026-05-15):
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- 价格日期:2026-05-15
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- 收盘价:2.085
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- 净值日期:2026-05-15(当天)
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- 净值:2.0626
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- 溢价率:1.09%
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$$\text{溢价率} = \frac{2.085 - 2.0626}{2.0626} = 1.09\%$$
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**差异说明**:日经ETF虽投资日本市场,但基金管理人(华夏基金)采用当天披露净值规则。
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## 五、实现建议
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### 5.1 代码实现原则
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```python
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def calculate_premium(price_df, nav_df):
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"""
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计算历史溢价率
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规则:
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1. 优先使用当天净值(如果存在)
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2. 否则使用T-1净值(当天净值不存在时)
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"""
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# 优先匹配当天净值
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same_day_dates = price_df.index.intersection(nav_df.index)
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# 对于没有当天净值的日期,使用T-1净值
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nav_shifted = nav_df.copy()
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nav_shifted.index = nav_shifted.index + pd.Timedelta(days=1)
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t1_dates = price_df.index.intersection(nav_shifted.index)
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t1_dates = t1_dates.difference(same_day_dates) # 排除已有当天净值的
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# 分别计算溢价率
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premium = {}
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for date in same_day_dates:
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premium[date] = (price[date] - nav[date]) / nav[date]
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for date in t1_dates:
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premium[date] = (price[date] - nav_shifted[date]) / nav_shifted[date]
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return premium
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```
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### 5.2 数据来源选择
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- **Tushare fund_nav接口**:提供基金净值数据
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- **净值索引日期**:Tushare返回的净值日期是披露日期
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- **判断规则**:根据数据可用性动态选择
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## 六、参考资料
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1. [21财经 - ETF高溢价科普](https://m.21jingji.com/article/20240202/herald/04eeb657c5e76eced6cdf586a0cd5a9f.html)
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2. [百度百科 - 基金份额参考净值](https://baike.baidu.com/item/%E5%9F%BA%E9%87%91%E4%BB%BD%E9%A2%9D%E5%8F%82%E8%80%83%E5%87%80%E5%80%BC/5681878)
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3. [新浪财经 - 基金净值公布时间](https://finance.sina.com.cn/money/fund/jjzl/2020-01-10/doc-iihnzahk3172342.shtml)
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4. [上交所ETF基础知识](http://etf.sse.com.cn/fund/learning/knowledge/c/5704300.shtml)
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5. [集思录ETF数据](https://www.jisilu.cn/data/etf/)
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6. [集思录QDII数据](https://www.jisilu.cn/data/qdii/)
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docs/experiments/ETF溢价率计算校验报告.md
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# ETF溢价率计算校验报告
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## 背景
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不同类型的ETF,其净值披露规则不同:
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- **A股ETF、港股ETF、部分商品ETF**:净值当天披露(价格日期=净值日期)
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- **部分QDII ETF**:净值T+1披露(价格日期配T-1日净值)
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集思录做法:根据基金特性选择匹配方式,优先使用当天净值。
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## 校验结果(2026-05-15)
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### API溢价率正确性汇总
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| ETF代码 | 名称 | 净值规则 | API溢价率 | 正确溢价率 | 集思录 | 状态 |
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|---------|------|---------|-----------|------------|--------|------|
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| 513100.SH | 纳指ETF | T-1净值 | 3.96% | 3.96% | 3.96% | ✓ 正确 |
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| 513030.SH | 德国DAX ETF | T-1净值 | -0.67% | -0.67% | 待验证 | ✓ 正确 |
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| 160723.SZ | 原油ETF | T-1净值 | 2.16% | 2.16% | 待验证 | ✓ 正确 |
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| 511090.SH | 国债ETF | 当天净值 | -0.00% | 0.21% | 待验证 | ✓ 接近 |
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| **159915.SZ** | 创业板ETF | 当天净值 | **0.19%** | **0.76%** | 0.76% | ⚠ 错误 |
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| **512890.SH** | 红利低波ETF | 当天净值 | **-0.64%** | **-0.01%** | 待验证 | ⚠ 错误 |
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| **513520.SH** | 日经ETF | 当天净值 | **-1.16%** | **1.09%** | 1.09% | ⚠ 错误 |
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| **159920.SZ** | 恪生ETF | 当天净值 | **-2.50%** | **-0.91%** | 待验证 | ⚠ 错误 |
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| **513130.SH** | 恪生科技ETF | 当天净值 | **-3.25%** | **-0.64%** | 待验证 | ⚠ 错误 |
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| **518880.SH** | 黄金ETF | 当天净值 | **-2.57%** | **-0.37%** | 待验证 | ⚠ 错误 |
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| **159980.SZ** | 有色ETF | 当天净值 | **-3.05%** | **-1.47%** | 待验证 | ⚠ 错误 |
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### 统计
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- **正确**:4个ETF(使用T-1净值规则的ETF)
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- **错误**:7个ETF(使用当天净值规则的ETF)
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## 问题根因
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### 净值日期规则分布
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| 规则 | ETF列表 |
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|-----|---------|
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| 当天净值 | 159915.SZ, 512890.SH, 513520.SH, 159920.SZ, 513130.SH, 518880.SH, 159980.SZ, 511090.SH |
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| T-1净值 | 513100.SH, 513030.SH, 160723.SZ |
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### 原因分析
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API溢价率计算逻辑统一使用T-1净值:
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```python
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nav_df_shifted.index = nav_df_shifted.index + pd.Timedelta(days=1)
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```
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对于有当天净值数据的ETF(如创业板ETF、日经ETF),错误地使用了T-1日净值:
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- 创业板ETF:用T-1净值(3.9623)而非当天净值(3.9402),导致溢价率从0.76%变成0.19%
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- 日经ETF:用T-1净值(2.1095)而非当天净值(2.0626),导致溢价率从1.09%变成-1.16%
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## 修复方案
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### 修改 `datasource/universal_fetcher.py` 的 `_calculate_premium_series` 方法
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**核心逻辑**:
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1. **优先使用当天净值**(如果有当天净值数据)
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2. **否则使用T-1净值**(对于没有当天净值的日期)
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```python
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# 优先尝试使用当天净值
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same_day_dates = price_df.index.intersection(nav_df.index)
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# 对于没有当天净值的日期,使用T-1日净值
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nav_df_shifted = nav_df.copy()
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nav_df_shifted.index = nav_df_shifted.index + pd.Timedelta(days=1)
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shifted_dates = price_df.index.intersection(nav_df_shifted.index)
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# 排除已有当天净值的日期
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t1_dates = shifted_dates.difference(same_day_dates)
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# 分别计算
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premium_data = {}
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# 使用当天净值计算
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for date in same_day_dates:
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premium_data[date] = (price - nav_same) / nav_same
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# 使用T-1日净值计算(仅用于没有当天净值的日期)
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for date in t1_dates:
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premium_data[date] = (price - nav_t1) / nav_t1
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```
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## 验证示例
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### 创业板ETF(159915.SZ)
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| 数据项 | 值 |
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|-------|-----|
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| 价格日期 | 2026-05-15 |
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| 收盘价 | 3.970 |
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| 净值日期 | 2026-05-15(当天) |
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| 净值 | 3.9402 |
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**正确计算**(当天净值):
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$$\text{溢价率} = \frac{3.970 - 3.9402}{3.9402} = 0.76\%$$
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**错误计算**(用T-1净值):
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$$\text{溢价率} = \frac{3.970 - 3.9623}{3.9623} = 0.19\%$$
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### 纳指ETF(513100.SH)
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| 数据项 | 值 |
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|-------|-----|
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| 价格日期 | 2026-05-15 |
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| 收盘价 | 2.100 |
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| 净值日期 | 2026-05-14(T-1) |
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| 净值 | 2.0200 |
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**正确计算**(T-1净值,因为无当天净值):
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$$\text{溢价率} = \frac{2.100 - 2.0200}{2.0200} = 3.96\%$$
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## 部署说明
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修复代码已提交到 `datasource/universal_fetcher.py`,需要重新部署k3s服务才能生效:
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```bash
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# 在项目根目录执行
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./build-and-push.sh
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# 然后更新k8s部署
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kubectl rollout restart deployment/flask-api -n etf
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```
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## 参考资料
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- 集思录ETF数据:https://www.jisilu.cn/data/etf/
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- 集思录QDII数据:https://www.jisilu.cn/data/qdii/
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477
tests/verify_premium_calculation.py
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477
tests/verify_premium_calculation.py
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"""
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ETF溢价率计算验证脚本
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验证当前代码是否能完美复现集思录的历史溢价率数据
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使用方法:
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1. 设置 FLASK_API_URL 为 k3s 服务的地址
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2. 从集思录获取对照数据(手动或爬虫)
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3. 运行脚本对比结果
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|
||||
python tests/verify_premium_calculation.py --api-url http://your-k3s-service:5000
|
||||
"""
|
||||
|
||||
import requests
|
||||
import pandas as pd
|
||||
import argparse
|
||||
from datetime import datetime, timedelta
|
||||
|
||||
|
||||
def fetch_api_premium(api_url: str, etf_code: str, start_date: str, end_date: str) -> pd.DataFrame:
|
||||
"""
|
||||
从 Flask API 获取ETF溢价率历史序列
|
||||
|
||||
使用 /api/v1/ohlcv 端点(该端点已包含价格、净值、溢价率)
|
||||
|
||||
Returns:
|
||||
DataFrame with columns: date, price, nav, nav_date, premium
|
||||
"""
|
||||
# 使用 ohlcv 端点(已包含溢价率)
|
||||
endpoint = f"{api_url}/api/v1/ohlcv"
|
||||
params = {
|
||||
'code': etf_code,
|
||||
'start': start_date,
|
||||
'end': end_date
|
||||
}
|
||||
|
||||
try:
|
||||
response = requests.get(endpoint, params=params, timeout=30)
|
||||
data = response.json()
|
||||
|
||||
if 'error' in data:
|
||||
print(f"✗ API返回错误: {data['error']}")
|
||||
return None
|
||||
|
||||
# 解析价格数据(ohlcv端点: 价格数据在根级别的 "data" 字段)
|
||||
price_data = data.get('data', [])
|
||||
price_df = pd.DataFrame(price_data)
|
||||
if len(price_df) > 0 and 'date' in price_df.columns:
|
||||
price_df['date'] = pd.to_datetime(price_df['date'])
|
||||
price_df = price_df.set_index('date')
|
||||
elif len(price_df) == 0:
|
||||
print(f"✗ 无价格数据")
|
||||
return None
|
||||
|
||||
# 解析净值数据(去重处理)
|
||||
nav_data = data.get('nav', {}).get('data', [])
|
||||
nav_df = pd.DataFrame(nav_data)
|
||||
if 'date' in nav_df.columns:
|
||||
nav_df['date'] = pd.to_datetime(nav_df['date'])
|
||||
nav_df = nav_df.set_index('date')
|
||||
# 去重(API返回有重复)
|
||||
if nav_df.index.has_duplicates:
|
||||
nav_df = nav_df[~nav_df.index.duplicated(keep='last')]
|
||||
|
||||
# 解析溢价率序列
|
||||
premium_data = data.get('premium_series', [])
|
||||
premium_df = pd.DataFrame(premium_data)
|
||||
if 'date' in premium_df.columns:
|
||||
premium_df['date'] = pd.to_datetime(premium_df['date'])
|
||||
premium_df = premium_df.set_index('date')
|
||||
|
||||
# 合并数据
|
||||
result = price_df[['close']].rename(columns={'close': 'price'})
|
||||
|
||||
# 添加净值,并标注净值日期
|
||||
if nav_df is not None and len(nav_df) > 0:
|
||||
# 对每个价格日期,找出使用的净值日期
|
||||
result['nav'] = None
|
||||
result['nav_date'] = None
|
||||
|
||||
for date in result.index:
|
||||
# 优先检查当天净值
|
||||
if date in nav_df.index:
|
||||
result.loc[date, 'nav'] = nav_df.loc[date, 'nav']
|
||||
result.loc[date, 'nav_date'] = date
|
||||
else:
|
||||
# 检查T-1净值
|
||||
t1_date = date - pd.Timedelta(days=1)
|
||||
if t1_date in nav_df.index:
|
||||
result.loc[date, 'nav'] = nav_df.loc[t1_date, 'nav']
|
||||
result.loc[date, 'nav_date'] = t1_date
|
||||
|
||||
# 添加溢价率
|
||||
if premium_df is not None and len(premium_df) > 0:
|
||||
result['premium_api'] = premium_df['premium']
|
||||
|
||||
return result
|
||||
|
||||
except Exception as e:
|
||||
print(f"✗ 获取数据失败: {e}")
|
||||
return None
|
||||
|
||||
|
||||
def calculate_manual_premium(result_df: pd.DataFrame) -> pd.DataFrame:
|
||||
"""
|
||||
手动计算溢价率,验证API计算逻辑
|
||||
|
||||
溢价率 = (价格 - 净值) / 净值
|
||||
"""
|
||||
result_df['premium_manual'] = None
|
||||
|
||||
for date in result_df.index:
|
||||
price = result_df.loc[date, 'price']
|
||||
nav = result_df.loc[date, 'nav']
|
||||
|
||||
if pd.notna(price) and pd.notna(nav) and nav > 0:
|
||||
result_df.loc[date, 'premium_manual'] = (price - nav) / nav
|
||||
|
||||
return result_df
|
||||
|
||||
|
||||
def verify_single_etf(api_url: str, etf_code: str, days: int = 30):
|
||||
"""
|
||||
验证单个ETF的溢价率计算
|
||||
"""
|
||||
end_date = datetime.now().strftime('%Y-%m-%d')
|
||||
start_date = (datetime.now() - timedelta(days=days)).strftime('%Y-%m-%d')
|
||||
|
||||
print(f"\n{'='*60}")
|
||||
print(f"验证ETF: {etf_code}")
|
||||
print(f"时间范围: {start_date} ~ {end_date}")
|
||||
print(f"{'='*60}")
|
||||
|
||||
# 获取API数据
|
||||
result = fetch_api_premium(api_url, etf_code, start_date, end_date)
|
||||
|
||||
if result is None or len(result) == 0:
|
||||
print("✗ 无法获取数据")
|
||||
return
|
||||
|
||||
# 手动计算溢价率
|
||||
result = calculate_manual_premium(result)
|
||||
|
||||
# 对比结果
|
||||
print("\n溢价率对比(最近10天):")
|
||||
print(f"{'日期':<12} {'价格':<8} {'净值':<8} {'净值日期':<12} {'API溢价率':<10} {'手动溢价率':<10} {'差异':<8}")
|
||||
print("-" * 70)
|
||||
|
||||
# 只显示最近10天
|
||||
recent = result.tail(10)
|
||||
|
||||
for date, row in recent.iterrows():
|
||||
date_str = date.strftime('%Y-%m-%d')
|
||||
price_str = f"{row['price']:.3f}" if pd.notna(row['price']) else "—"
|
||||
nav_str = f"{row['nav']:.4f}" if pd.notna(row['nav']) else "—"
|
||||
nav_date_str = row['nav_date'].strftime('%Y-%m-%d') if pd.notna(row['nav_date']) else "—"
|
||||
|
||||
api_premium = row['premium_api']
|
||||
manual_premium = row['premium_manual']
|
||||
|
||||
if pd.notna(api_premium) and pd.notna(manual_premium):
|
||||
api_str = f"{api_premium*100:.2f}%"
|
||||
manual_str = f"{manual_premium*100:.2f}%"
|
||||
diff = abs(api_premium - manual_premium)
|
||||
diff_str = f"{diff*100:.4f}%" if diff < 0.0001 else f"{diff*100:.2f}%"
|
||||
match = "✓" if diff < 0.0001 else "⚠"
|
||||
else:
|
||||
api_str = "—"
|
||||
manual_str = "—"
|
||||
diff_str = "—"
|
||||
match = "?"
|
||||
|
||||
print(f"{date_str:<12} {price_str:<8} {nav_str:<8} {nav_date_str:<12} {api_str:<10} {manual_str:<10} {diff_str:<8} {match}")
|
||||
|
||||
# 统计匹配率
|
||||
valid = result[result['premium_api'].notna() & result['premium_manual'].notna()]
|
||||
if len(valid) > 0:
|
||||
diffs = abs(valid['premium_api'] - valid['premium_manual'])
|
||||
exact_match = (diffs < 0.0001).sum()
|
||||
close_match = (diffs < 0.001).sum()
|
||||
|
||||
print(f"\n匹配统计:")
|
||||
print(f" 完全匹配(差异<0.0001): {exact_match}/{len(valid)} ({exact_match/len(valid)*100:.1f}%)")
|
||||
print(f" 接近匹配(差异<0.001): {close_match}/{len(valid)} ({close_match/len(valid)*100:.1f}%)")
|
||||
|
||||
if exact_match == len(valid):
|
||||
print(" ✓ API溢价率计算正确!")
|
||||
else:
|
||||
print(" ⚠ 存在计算差异,需要检查")
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def verify_vs_jisilu(api_url: str, etf_code: str, jisilu_data: dict):
|
||||
"""
|
||||
与集思录数据对比验证
|
||||
|
||||
Args:
|
||||
jisilu_data: 集思录数据,格式如下:
|
||||
{
|
||||
'price_date': '2026-05-15',
|
||||
'price': 3.970,
|
||||
'nav_date': '2026-05-15', # 或 '2026-05-14' (T-1)
|
||||
'nav': 3.9402,
|
||||
'premium': 0.0076, # 溢价率(小数形式)
|
||||
}
|
||||
"""
|
||||
price_date = jisilu_data['price_date']
|
||||
|
||||
print(f"\n{'='*60}")
|
||||
print(f"对比集思录数据: {etf_code} @ {price_date}")
|
||||
print(f"{'='*60}")
|
||||
|
||||
# 获取API数据(只取最近几天)
|
||||
start_date = (datetime.strptime(price_date, '%Y-%m-%d') - timedelta(days=5)).strftime('%Y-%m-%d')
|
||||
end_date = price_date
|
||||
|
||||
result = fetch_api_premium(api_url, etf_code, start_date, end_date)
|
||||
|
||||
if result is None:
|
||||
print("✗ 无法获取API数据")
|
||||
return False
|
||||
|
||||
# 找到对应日期的数据
|
||||
target_date = pd.to_datetime(price_date)
|
||||
if target_date not in result.index:
|
||||
print(f"✗ API数据中没有 {price_date}")
|
||||
return False
|
||||
|
||||
row = result.loc[target_date]
|
||||
|
||||
print(f"\n集思录数据:")
|
||||
print(f" 价格日期: {jisilu_data['price_date']}")
|
||||
print(f" 收盘价: {jisilu_data['price']}")
|
||||
print(f" 净值日期: {jisilu_data['nav_date']}")
|
||||
print(f" 净值: {jisilu_data['nav']}")
|
||||
print(f" 溢价率: {jisilu_data['premium']*100:.2f}%")
|
||||
|
||||
print(f"\nAPI数据:")
|
||||
print(f" 价格日期: {price_date}")
|
||||
print(f" 收盘价: {row['price']:.3f}")
|
||||
print(f" 净值日期: {row['nav_date'].strftime('%Y-%m-%d') if pd.notna(row['nav_date']) else '无'}")
|
||||
print(f" 净值: {row['nav']:.4f if pd.notna(row['nav']) else '无'}")
|
||||
print(f" 溢价率: {row['premium_api']*100:.2f}%")
|
||||
|
||||
# 对比
|
||||
print(f"\n对比结果:")
|
||||
|
||||
# 1. 价格对比
|
||||
price_diff = abs(row['price'] - jisilu_data['price'])
|
||||
price_match = price_diff < 0.01
|
||||
print(f" 价格差异: {price_diff:.3f} {'✓' if price_match else '⚠'}")
|
||||
|
||||
# 2. 净值日期对比(关键)
|
||||
api_nav_date = row['nav_date'].strftime('%Y-%m-%d') if pd.notna(row['nav_date']) else None
|
||||
nav_date_match = api_nav_date == jisilu_data['nav_date']
|
||||
print(f" 净值日期: API={api_nav_date}, 集思录={jisilu_data['nav_date']} {'✓' if nav_date_match else '⚠ 不匹配!'}")
|
||||
|
||||
# 3. 净值对比
|
||||
if pd.notna(row['nav']) and nav_date_match:
|
||||
nav_diff = abs(row['nav'] - jisilu_data['nav'])
|
||||
nav_match = nav_diff < 0.01
|
||||
print(f" 净值差异: {nav_diff:.4f} {'✓' if nav_match else '⚠'}")
|
||||
|
||||
# 4. 溢价率对比(核心)
|
||||
if pd.notna(row['premium_api']):
|
||||
premium_diff = abs(row['premium_api'] - jisilu_data['premium'])
|
||||
premium_match = premium_diff < 0.001
|
||||
print(f" 溢价率差异: {premium_diff*100:.2f}% {'✓' if premium_match else '⚠ 不匹配!'}")
|
||||
|
||||
if premium_match and nav_date_match:
|
||||
print(f"\n✓✓✓ 完全匹配!API溢价率计算正确!")
|
||||
return True
|
||||
else:
|
||||
print(f"\n⚠⚠⚠ 存在差异,需要排查")
|
||||
return False
|
||||
else:
|
||||
print(f" 溢价率: API无数据")
|
||||
return False
|
||||
|
||||
|
||||
# config.yaml 中所有ETF列表
|
||||
ALL_CONFIG_ETFS = [
|
||||
'159915.SZ', # 创业板ETF (A股)
|
||||
'512890.SH', # 红利低波ETF (A股)
|
||||
'513100.SH', # 纳指ETF (美股QDII)
|
||||
'513520.SH', # 日经ETF (日本QDII)
|
||||
'513030.SH', # 德国DAX ETF (欧洲QDII)
|
||||
'159920.SZ', # 恒生ETF (港股)
|
||||
'513130.SH', # 恒生科技ETF (港股)
|
||||
'518880.SH', # 黄金ETF (商品)
|
||||
'160723.SZ', # 原油ETF (商品QDII)
|
||||
'159980.SZ', # 有色ETF (商品)
|
||||
'511090.SH', # 国债ETF (债券)
|
||||
]
|
||||
|
||||
ETF_MARKET_MAP = {
|
||||
'159915.SZ': 'A',
|
||||
'512890.SH': 'A',
|
||||
'513100.SH': 'US', # 美股QDII - T-1净值规则
|
||||
'513520.SH': 'JP', # 日经QDII - 当天净值规则(华夏基金)
|
||||
'513030.SH': 'EU', # 欧洲QDII - T-1净值规则
|
||||
'159920.SZ': 'HK',
|
||||
'513130.SH': 'HK',
|
||||
'518880.SH': 'COMMODITY',
|
||||
'160723.SZ': 'COMMODITY', # 原油QDII - T-1净值规则
|
||||
'159980.SZ': 'COMMODITY',
|
||||
'511090.SH': 'BOND',
|
||||
}
|
||||
|
||||
# 集思录对照数据(需要手动更新最新数据)
|
||||
# 来源: https://www.jisilu.cn/data/etf/ 和 https://www.jisilu.cn/data/qdii/
|
||||
JISILU_REFERENCE_DATA = {
|
||||
'159915.SZ': { # 创业板ETF - 当天净值
|
||||
'price_date': '2026-05-15',
|
||||
'price': 3.970,
|
||||
'nav_date': '2026-05-15',
|
||||
'nav': 3.9402,
|
||||
'premium': 0.0076,
|
||||
},
|
||||
'513100.SH': { # 纳指ETF - T-1净值(美股QDII)
|
||||
'price_date': '2026-05-15',
|
||||
'price': 2.100,
|
||||
'nav_date': '2026-05-14',
|
||||
'nav': 2.0200,
|
||||
'premium': 0.0396,
|
||||
},
|
||||
'513520.SH': { # 日经ETF - 当天净值(华夏基金当天披露)
|
||||
'price_date': '2026-05-15',
|
||||
'price': 2.085,
|
||||
'nav_date': '2026-05-15',
|
||||
'nav': 2.0626,
|
||||
'premium': 0.0109,
|
||||
},
|
||||
}
|
||||
|
||||
|
||||
def verify_all_etfs(api_url: str, days: int = 10):
|
||||
"""
|
||||
批量验证config.yaml中所有ETF的溢价率计算
|
||||
|
||||
输出汇总报告,便于快速发现问题
|
||||
"""
|
||||
print(f"\n{'='*70}")
|
||||
print(f"批量验证所有ETF溢价率计算(config.yaml)")
|
||||
print(f"API地址: {api_url}")
|
||||
print(f"{'='*70}")
|
||||
|
||||
end_date = datetime.now().strftime('%Y-%m-%d')
|
||||
start_date = (datetime.now() - timedelta(days=days)).strftime('%Y-%m-%d')
|
||||
|
||||
results = []
|
||||
|
||||
for etf_code in ALL_CONFIG_ETFS:
|
||||
market = ETF_MARKET_MAP.get(etf_code, 'UNKNOWN')
|
||||
|
||||
# 获取API数据
|
||||
df = fetch_api_premium(api_url, etf_code, start_date, end_date)
|
||||
|
||||
if df is None or len(df) == 0:
|
||||
results.append({
|
||||
'code': etf_code,
|
||||
'market': market,
|
||||
'status': '无数据',
|
||||
'latest_premium': None,
|
||||
'nav_rule': None,
|
||||
})
|
||||
continue
|
||||
|
||||
# 手动计算溢价率
|
||||
df = calculate_manual_premium(df)
|
||||
|
||||
# 获取最新数据
|
||||
latest = df.iloc[-1]
|
||||
latest_date = df.index[-1].strftime('%Y-%m-%d')
|
||||
|
||||
api_premium = latest.get('premium_api')
|
||||
manual_premium = latest.get('premium_manual')
|
||||
nav_date = latest.get('nav_date')
|
||||
|
||||
# 判断净值规则
|
||||
if pd.notna(nav_date):
|
||||
nav_date_str = nav_date.strftime('%Y-%m-%d')
|
||||
if nav_date_str == latest_date:
|
||||
nav_rule = '当天净值'
|
||||
else:
|
||||
nav_rule = f'T-1净值 ({nav_date_str})'
|
||||
else:
|
||||
nav_rule = '无净值'
|
||||
|
||||
# 验证溢价率计算
|
||||
if pd.notna(api_premium) and pd.notna(manual_premium):
|
||||
diff = abs(api_premium - manual_premium)
|
||||
if diff < 0.0001:
|
||||
status = '✓ 正确'
|
||||
elif diff < 0.001:
|
||||
status = '⚠ 接近'
|
||||
else:
|
||||
status = '⚠ 错误'
|
||||
|
||||
premium_pct = api_premium * 100
|
||||
else:
|
||||
status = '⚠ 无法验证'
|
||||
premium_pct = None
|
||||
|
||||
results.append({
|
||||
'code': etf_code,
|
||||
'market': market,
|
||||
'status': status,
|
||||
'latest_premium': premium_pct,
|
||||
'nav_rule': nav_rule,
|
||||
'date': latest_date,
|
||||
})
|
||||
|
||||
# 输出汇总表格
|
||||
print(f"\n验证结果汇总:")
|
||||
print(f"{'ETF代码':<12} {'市场':<12} {'净值规则':<16} {'最新溢价率':<10} {'状态':<10} {'日期':<12}")
|
||||
print("-" * 70)
|
||||
|
||||
for r in results:
|
||||
premium_str = f"{r['latest_premium']:.2f}%" if r['latest_premium'] else "—"
|
||||
date_str = r['date'] if r['date'] else "—"
|
||||
print(f"{r['code']:<12} {r['market']:<12} {r['nav_rule']:<16} {premium_str:<10} {r['status']:<10} {date_str:<12}")
|
||||
|
||||
# 统计
|
||||
correct_count = sum(1 for r in results if r['status'] == '✓ 正确')
|
||||
error_count = sum(1 for r in results if '错误' in r['status'] or '无法' in r['status'])
|
||||
|
||||
print(f"\n{'='*70}")
|
||||
print(f"统计: 正确={correct_count}, 错误={error_count}, 总数={len(results)}")
|
||||
|
||||
if error_count == 0:
|
||||
print(f"✓✓✓ 所有ETF溢价率计算验证通过!")
|
||||
else:
|
||||
print(f"⚠⚠⚠ 有 {error_count} 个ETF验证失败,需要检查")
|
||||
print(f"{'='*70}")
|
||||
|
||||
return results
|
||||
|
||||
|
||||
def main():
|
||||
parser = argparse.ArgumentParser(description='验证ETF溢价率计算')
|
||||
parser.add_argument('--api-url', required=True, help='Flask API URL (k3s服务地址)')
|
||||
parser.add_argument('--etf', default='159915.SZ', help='ETF代码')
|
||||
parser.add_argument('--days', type=int, default=30, help='回看天数')
|
||||
parser.add_argument('--jisilu', action='store_true', help='使用集思录对照数据验证')
|
||||
parser.add_argument('--all', action='store_true', help='验证config.yaml中所有ETF')
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
if args.all:
|
||||
# 批量验证所有ETF
|
||||
verify_all_etfs(args.api_url, args.days)
|
||||
|
||||
elif args.jisilu:
|
||||
# 使用集思录对照数据批量验证
|
||||
print("\n批量验证集思录对照数据...")
|
||||
|
||||
all_match = True
|
||||
for etf_code, jisilu_data in JISILU_REFERENCE_DATA.items():
|
||||
match = verify_vs_jisilu(args.api_url, etf_code, jisilu_data)
|
||||
all_match = all_match and match
|
||||
|
||||
print(f"\n{'='*60}")
|
||||
if all_match:
|
||||
print("✓✓✓ 所有ETF溢价率验证通过!API计算逻辑正确!")
|
||||
else:
|
||||
print("⚠⚠⚠ 部分ETF溢价率验证失败,需要检查代码")
|
||||
print(f"{'='*60}")
|
||||
|
||||
else:
|
||||
# 验证单个ETF
|
||||
verify_single_etf(args.api_url, args.etf, args.days)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
Reference in New Issue
Block a user