feat(visualization): 添加策略报告生成器
- 创建 visualization/report_generator 模块 - 支持生成精美的 HTML 策略报告 - 包含8个 KPI 指标卡片(收益、胜率、夏普比等) - 集成 ECharts 交互式图表(净值曲线、月度收益、盈亏分布) - 支持按日期和品种筛选调仓记录 - 使用 Jinja2 模板引擎 + Bootstrap 5 样式 - 支持打印为 PDF - 提供 CLI 和 Python API 两种使用方式
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visualization/report_generator/README.md
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visualization/report_generator/README.md
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# ETF轮动策略报告生成器
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生成精美的 HTML 策略报告,展示回测结果和关键指标。
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## 功能特性
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- ✅ **策略 KPI** - 累计收益、年化收益、胜率、夏普比率等
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- ✅ **净值曲线** - 交互式折线图,支持缩放和悬停
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- ✅ **月度收益** - 柱状图展示每月收益分布
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- ✅ **盈亏分布** - 饼图展示盈利/亏损比例
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- ✅ **品种排行** - 横向条形图展示各品种表现
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- ✅ **调仓记录** - 可按日期和品种筛选的交易明细表格
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- ✅ **现代化 UI** - 渐变色头部、卡片布局、响应式设计
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- ✅ **打印友好** - 支持直接打印为 PDF
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## 使用方法
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### 基础用法
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```bash
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# 生成完整报告
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python visualization/report_generator/generate_report.py
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# 指定时间区间
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python visualization/report_generator/generate_report.py --start 2024-01-01 --end 2024-12-31
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# 指定输出目录
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python visualization/report_generator/generate_report.py --output my_reports
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```
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### Python API 调用
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```python
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from visualization.report_generator.generate_report import ReportGenerator
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# 创建生成器
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generator = ReportGenerator(results_dir='results')
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# 生成报告
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output_file = generator.generate(
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start_date='2024-01-01',
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end_date='2024-12-31',
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output_dir='reports'
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)
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print(f"报告已生成: {output_file}")
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```
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### 定时生成(可选)
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```bash
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# 添加到 crontab,每天生成一次
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0 9 * * * cd /path/to/etf && python visualization/report_generator/generate_report.py
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```
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## 依赖
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```bash
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pip install pandas numpy jinja2
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```
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## 文件结构
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```
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visualization/report_generator/
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├── template.html # HTML 模板
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├── generate_report.py # 报告生成脚本
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└── README.md # 说明文档
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```
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## 输出示例
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生成的报告包含:
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1. **头部区域** - 报告标题和数据区间
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2. **KPI 卡片** - 8 个关键指标(收益、胜率、夏普比等)
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3. **净值曲线** - 带渐变填充的折线图
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4. **月度收益** - 红绿柱状图
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5. **盈亏分布** - 环形饼图
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6. **品种排行** - 横向条形图
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7. **调仓表格** - 支持筛选和打印
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## 自定义
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### 修改配色方案
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编辑 `template.html` 中的 CSS 变量:
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```css
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:root {
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--primary-color: #1890ff;
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--success-color: #52c41a;
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--danger-color: #ff4d4f;
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}
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```
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### 添加新指标
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在 `generate_report.py` 的 `calculate_kpis()` 方法中添加:
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```python
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def calculate_kpis(self, trades_filtered):
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# ... 现有代码 ...
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# 添加新指标
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new_metric = ...
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return {
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'total_return': ...,
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'new_metric': new_metric, # 新增
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...
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}
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```
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然后在模板中使用:
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```html
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<div class="kpi-value">{{ new_metric }}</div>
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```
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## 技术栈
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- **模板引擎**: Jinja2
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- **图表库**: ECharts 5.4
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- **样式框架**: Bootstrap 5.3
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- **图标**: Bootstrap Icons
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## 注意事项
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1. 确保 `results/report_summary.csv` 和 `results/report_trades.csv` 存在
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2. 数据格式需符合预期(参考现有 CSV 文件)
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3. 生成的 HTML 文件可离线查看(ECharts 使用 CDN)
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4. 打印时筛选栏会自动隐藏
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## 示例输出
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```
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🚀 开始生成策略报告...
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✅ 数据加载成功: 1233 条交易记录
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📊 筛选后数据: 1233 条记录
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✅ 报告已生成: reports/strategy_report_20260508_210000.html
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📁 文件大小: 125.3 KB
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🌐 在浏览器中打开: file:///Users/aszer/Documents/vscode/etf/reports/strategy_report_20260508_210000.html
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```
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visualization/report_generator/__init__.py
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"""
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ETF轮动策略报告生成器
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"""
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from .generate_report import ReportGenerator
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__all__ = ['ReportGenerator']
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visualization/report_generator/generate_report.py
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visualization/report_generator/generate_report.py
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"""
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ETF轮动策略报告生成器
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=======================
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从回测数据生成精美的 HTML 策略报告
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使用方法:
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python generate_report.py
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python generate_report.py --start 2024-01-01 --end 2024-12-31
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"""
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import pandas as pd
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import numpy as np
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from jinja2 import Template
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from datetime import datetime
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import argparse
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import os
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import sys
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class ReportGenerator:
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"""策略报告生成器"""
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def __init__(self, results_dir='results'):
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self.results_dir = results_dir
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self.summary_df = None
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self.trades_df = None
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def load_data(self):
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"""加载回测数据"""
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# 加载汇总数据
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summary_path = os.path.join(self.results_dir, 'report_summary.csv')
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if not os.path.exists(summary_path):
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raise FileNotFoundError(f"找不到汇总数据文件: {summary_path}")
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self.summary_df = pd.read_csv(summary_path)
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# 转换百分比
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for col in ['胜率', '平均收益', '累计收益', '最大单次收益', '最大单次亏损']:
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if col in self.summary_df.columns:
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self.summary_df[col] = self.summary_df[col].str.rstrip('%').astype(float)
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# 加载交易记录
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trades_path = os.path.join(self.results_dir, 'report_trades.csv')
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if not os.path.exists(trades_path):
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raise FileNotFoundError(f"找不到交易记录文件: {trades_path}")
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self.trades_df = pd.read_csv(trades_path)
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self.trades_df['进场日期'] = pd.to_datetime(self.trades_df['进场日期'])
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self.trades_df['出场日期'] = pd.to_datetime(self.trades_df['出场日期'])
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print(f"✅ 数据加载成功: {len(self.trades_df)} 条交易记录")
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def calculate_kpis(self, trades_filtered=None):
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"""计算关键指标"""
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df = trades_filtered if trades_filtered is not None else self.trades_df
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# 转换持仓收益为数值(去除百分号)
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if df['持仓收益'].dtype == 'object':
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df = df.copy()
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df['持仓收益_num'] = df['持仓收益'].str.rstrip('%').astype(float)
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else:
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df = df.copy()
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df['持仓收益_num'] = df['持仓收益']
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# 总收益
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total_return = df['持仓收益_num'].sum()
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# 年化收益
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days = (df['出场日期'].max() - df['出场日期'].min()).days
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if days > 0:
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annual_return = total_return / (days / 365.0)
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else:
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annual_return = 0
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# 胜率
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win_count = (df['持仓收益_num'] > 0).sum()
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total_count = len(df)
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win_rate = (win_count / total_count * 100) if total_count > 0 else 0
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loss_count = total_count - win_count
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# 夏普比率
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daily_returns = df.groupby('出场日期')['持仓收益_num'].sum()
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if daily_returns.std() > 0:
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sharpe_ratio = daily_returns.mean() / daily_returns.std() * np.sqrt(252)
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else:
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sharpe_ratio = 0
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# 最大回撤(简化计算)
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cum_returns = df['持仓收益_num'].cumsum()
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running_max = cum_returns.cummax()
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drawdown = (cum_returns - running_max)
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max_drawdown = drawdown.min() if len(drawdown) > 0 else 0
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# 调仓次数
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total_trades = len(df)
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# 最佳品种
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symbol_returns = df.groupby('品种代码')['持仓收益_num'].sum()
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best_symbol = symbol_returns.idxmax() if len(symbol_returns) > 0 else 'N/A'
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# 平均持仓天数
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avg_holding_days = df['持仓天数'].mean() if len(df) > 0 else 0
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return {
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'total_return': f"{total_return:.2f}",
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'annual_return': f"{annual_return:.2f}",
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'win_rate': f"{win_rate:.2f}",
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'max_drawdown': f"{max_drawdown:.2f}",
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'sharpe_ratio': f"{sharpe_ratio:.2f}",
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'total_trades': str(total_trades),
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'best_symbol': best_symbol,
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'avg_holding_days': f"{avg_holding_days:.1f}",
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'win_count': int(win_count),
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'loss_count': int(loss_count)
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}
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def prepare_chart_data(self, trades_filtered=None):
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"""准备图表数据"""
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df = trades_filtered if trades_filtered is not None else self.trades_df
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# 转换持仓收益为数值
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if df['持仓收益'].dtype == 'object':
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df = df.copy()
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df['持仓收益_num'] = df['持仓收益'].str.rstrip('%').astype(float)
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else:
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df = df.copy()
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df['持仓收益_num'] = df['持仓收益']
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df_sorted = df.sort_values('出场日期')
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# 净值曲线数据
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df_sorted['累计收益'] = df_sorted['持仓收益_num'].cumsum()
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nav_values = df_sorted['累计收益'].tolist()
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nav_dates = df_sorted['出场日期'].dt.strftime('%Y-%m-%d').tolist()
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# 月度收益数据
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df_copy = df_sorted.copy()
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df_copy['年月'] = df_copy['出场日期'].dt.to_period('M')
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monthly = df_copy.groupby('年月')['持仓收益_num'].sum().reset_index()
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monthly['年月_str'] = monthly['年月'].astype(str)
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monthly_dates = monthly['年月_str'].tolist()
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monthly_values = monthly['持仓收益_num'].round(2).tolist()
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# 品种收益排行
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symbol_returns = df.groupby('品种代码')['持仓收益_num'].sum().sort_values()
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symbol_names = []
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symbol_returns_list = []
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for code, ret in symbol_returns.items():
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name = self.summary_df[self.summary_df['品种代码'] == code]
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if len(name) > 0:
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symbol_names.append(name.iloc[0]['品种名称'])
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else:
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symbol_names.append(code)
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symbol_returns_list.append(round(ret, 2))
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# 唯一品种列表
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symbols = df['品种代码'].unique().tolist()
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return {
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'nav_dates': nav_dates,
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'nav_values': [round(v, 2) for v in nav_values],
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'monthly_dates': monthly_dates,
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'monthly_values': monthly_values,
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'symbol_names': symbol_names,
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'symbol_returns': symbol_returns_list,
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'symbols': symbols
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}
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def generate(self, start_date=None, end_date=None, output_dir='reports'):
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"""生成报告"""
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print("🚀 开始生成策略报告...")
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# 加载数据
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self.load_data()
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# 筛选数据
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if start_date:
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start_date = pd.to_datetime(start_date)
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if end_date:
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end_date = pd.to_datetime(end_date)
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trades_filtered = self.trades_df.copy()
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if start_date:
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trades_filtered = trades_filtered[trades_filtered['出场日期'] >= start_date]
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if end_date:
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trades_filtered = trades_filtered[trades_filtered['出场日期'] <= end_date]
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print(f"📊 筛选后数据: {len(trades_filtered)} 条记录")
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# 计算指标
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kpis = self.calculate_kpis(trades_filtered)
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chart_data = self.prepare_chart_data(trades_filtered)
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# 准备交易记录
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trades_display = trades_filtered.copy()
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trades_display['进场日期'] = trades_display['进场日期'].dt.strftime('%Y-%m-%d')
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trades_display['出场日期'] = trades_display['出场日期'].dt.strftime('%Y-%m-%d')
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trades_list = trades_display.to_dict('records')
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# 读取模板
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template_path = os.path.join(os.path.dirname(__file__), 'template.html')
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with open(template_path, 'r', encoding='utf-8') as f:
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template = Template(f.read())
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# 渲染模板
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html = template.render(
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report_date=datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
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start_date=start_date.strftime('%Y-%m-%d') if start_date else trades_filtered['出场日期'].min().strftime('%Y-%m-%d'),
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end_date=end_date.strftime('%Y-%m-%d') if end_date else trades_filtered['出场日期'].max().strftime('%Y-%m-%d'),
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trades=trades_list,
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**kpis,
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**chart_data
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)
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# 创建输出目录
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os.makedirs(output_dir, exist_ok=True)
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# 保存报告
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output_file = os.path.join(
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output_dir,
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f'strategy_report_{datetime.now().strftime("%Y%m%d_%H%M%S")}.html'
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)
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with open(output_file, 'w', encoding='utf-8') as f:
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f.write(html)
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print(f"✅ 报告已生成: {output_file}")
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print(f"📁 文件大小: {os.path.getsize(output_file) / 1024:.1f} KB")
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print(f"🌐 在浏览器中打开: file://{os.path.abspath(output_file)}")
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return output_file
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def main():
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"""主函数"""
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parser = argparse.ArgumentParser(description='生成ETF轮动策略报告')
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parser.add_argument('--start', type=str, help='开始日期 (YYYY-MM-DD)')
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parser.add_argument('--end', type=str, help='结束日期 (YYYY-MM-DD)')
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parser.add_argument('--output', type=str, default='reports', help='输出目录')
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args = parser.parse_args()
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try:
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generator = ReportGenerator()
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generator.generate(
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start_date=args.start,
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end_date=args.end,
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output_dir=args.output
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)
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except Exception as e:
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print(f"❌ 生成失败: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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if __name__ == '__main__':
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main()
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Reference in New Issue
Block a user