#!/usr/bin/env python3 """ 导出 V2 框架回测逐日明细到 JSON，供 HTML 回放器加载。 适用于 GlobalRotationStrategy（V2 正式版） - 指数信号 + ETF 收益 - 动态短债阈值 - 强制分散化 - 交易成本 - CrossMarketAligner 数据对齐 用法: python framework_v2/scripts/export_backtest_detail.py """ import sys import json import math from pathlib import Path from datetime import datetime import numpy as np import pandas as pd project_root = Path(__file__).parent.parent.parent sys.path.insert(0, str(project_root)) from dotenv import load_dotenv load_dotenv() from framework_v2.config import load_config from framework_v2.strategies.rotation.rotation import GlobalRotationStrategy from framework_v2.shared.data.alignment import CrossMarketAligner # ==================== 辅助函数 ==================== def safe_val(v, decimals=4): """安全转换数值，处理 NaN/Inf""" if v is None or (isinstance(v, float) and (math.isnan(v) or math.isinf(v))): return None if isinstance(v, (np.floating, float)): return round(float(v), decimals) if isinstance(v, (np.integer, int)): return int(v) return v def main(): print("=" * 80) print(" V2 回测逐日明细导出（GlobalRotationStrategy）") print("=" * 80) # 1. 加载配置 config_file = project_root / 'framework_v2' / 'strategies' / 'rotation' / 'config_simple.yaml' print(f"\n[1] 加载配置: {config_file}") config = load_config(str(config_file)) # 2. 初始化策略 print("[2] 初始化策略...") strategy = GlobalRotationStrategy(config) # 3. 获取数据 print("[3] 获取数据...") data = strategy.get_data() print(f" 获取 {len(data)} 个标的") # 4. 计算因子 print("[4] 计算因子...") factors = strategy.compute_factors(data) print(f" 计算 {len(factors)} 个因子") # 5. 生成信号 print("[5] 生成信号...") signals = strategy.generate_signals(factors) print(f" 生成 {signals.shape[0]} 个信号") # 6. 仓位管理 print("[6] 仓位管理...") positions = strategy.manage_positions(signals) # 7. 准备收益率数据（使用 CrossMarketAligner） print("[7] 准备收益率数据...") signal_to_trade = config.asset_pools.get_signal_to_trade_mapping() # 获取 A 股交易日历 trading_calendar = strategy._get_trading_calendar() print(f" A 股交易日: {len(trading_calendar)} 天") # 创建对齐器 aligner = CrossMarketAligner(target_calendar=trading_calendar) # 提取收盘价 close_dict = {} for signal_code, trade_code in signal_to_trade.items(): if trade_code in data: close_dict[signal_code] = data[trade_code]['close'] # 对齐收益率 returns_df = aligner.align_multi_asset(close_dict) print(f" 收益率数据: {len(returns_df)} 天, {len(returns_df.columns)} 个标的") # 8. 计算策略收益和净值 print("[8] 计算策略收益...") positions_aligned = positions.reindex(trading_calendar, method='ffill') positions_delayed = positions_aligned.shift(1).fillna(0) strategy_returns = (positions_delayed * returns_df).sum(axis=1) # 扣除交易成本 strategy_returns_clean, rebalance_count = strategy._apply_trade_cost( strategy_returns, positions_aligned ) print(f" 调仓次数: {rebalance_count}") # 计算净值 equity_curve = (1 + strategy_returns_clean).cumprod() print(f" 最终净值: {equity_curve.iloc[-1]:.4f}") # 9. 构建逐日明细 print("[9] 构建逐日明细...") # 因子数据（DataFrame 格式） factor_df = pd.DataFrame(factors) # 持仓状态跟踪 holdings_state = {} # {code: {'entry_date': str, 'entry_price': float}} prev_holdings = set() days_list = [] common_dates = equity_curve.index # 获取配置信息 bond_code = strategy.bond_code if strategy.use_dynamic_threshold else None bond_ratio = strategy.bond_ratio for i, date in enumerate(common_dates): # 当前持仓 pos_row = positions_aligned.loc[date] current_holdings = set(pos_row[pos_row > 0].index.tolist()) # 调仓检测 added = list(current_holdings - prev_holdings) removed = list(prev_holdings - current_holdings) is_rebalance = len(added) > 0 or len(removed) > 0 # 更新持仓状态 for code in removed: holdings_state.pop(code, None) for code in added: # 获取入场价格 entry_price = None if code in close_dict: ep = close_dict[code].get(date) if pd.notna(ep): entry_price = float(ep) holdings_state[code] = { 'entry_date': date.strftime('%Y-%m-%d'), 'entry_price': entry_price, } # 动态阈值 factor_scores = {} if date in factor_df.index: for code in factor_df.columns: v = factor_df.loc[date, code] if pd.notna(v): factor_scores[code] = float(v) bond_score = factor_scores.get(bond_code) if bond_code else None if bond_score is not None: threshold = bond_score * bond_ratio else: threshold = 0.0 # 排名（按动量降序，排除 BOND） groups = config.asset_pools.by_group bond_assets = groups.get('BOND', {}) bond_codes = set(bond_assets.keys()) non_bond_scores = {k: v for k, v in factor_scores.items() if k not in bond_codes} sorted_codes = sorted(non_bond_scores.keys(), key=lambda c: non_bond_scores[c], reverse=True) rank_map = {c: r + 1 for r, c in enumerate(sorted_codes)} # BOND 不参与排名 for code in bond_codes: if code in factor_scores: rank_map[code] = None # 每标的详情 assets = {} all_codes = factor_df.columns.tolist() for code in all_codes: asset = {} # 动量得分 mom = factor_scores.get(code) asset['momentum'] = safe_val(mom, 4) # 排名 asset['rank'] = rank_map.get(code) # 阈值 asset['threshold'] = safe_val(threshold, 4) asset['above_threshold'] = mom >= threshold if mom is not None else False # 持仓状态 is_held = code in current_holdings asset['is_held'] = is_held asset['weight'] = safe_val(pos_row.get(code, 0), 4) if is_held else 0.0 if is_held and code in holdings_state: hs = holdings_state[code] asset['entry_date'] = hs['entry_date'] asset['entry_price'] = safe_val(hs['entry_price'], 4) entry_dt = pd.Timestamp(hs['entry_date']) trading_days_held = len(common_dates[(common_dates >= entry_dt) & (common_dates <= date)]) asset['holding_days'] = trading_days_held # 累计收益 if hs['entry_price'] and hs['entry_price'] > 0: if code in close_dict: cur = close_dict[code].get(date) if cur and pd.notna(cur): asset['cum_return'] = safe_val(float(cur) / hs['entry_price'] - 1, 4) else: asset['cum_return'] = None else: asset['cum_return'] = None else: asset['cum_return'] = None # 当日收益贡献 if code in returns_df.columns: asset['daily_return'] = safe_val(returns_df.loc[date, code], 6) asset['return_contribution'] = safe_val( pos_row.get(code, 0) * returns_df.loc[date, code], 6 ) else: asset['daily_return'] = None asset['return_contribution'] = None else: asset['entry_date'] = None asset['entry_price'] = None asset['holding_days'] = 0 asset['cum_return'] = None asset['daily_return'] = None asset['return_contribution'] = None assets[code] = asset # 构建当天记录 nav_val = equity_curve.loc[date] if date in equity_curve.index else None ret_val = strategy_returns_clean.loc[date] if date in strategy_returns_clean.index else None day_record = { 'date': date.strftime('%Y-%m-%d'), 'nav': safe_val(nav_val, 4), 'daily_return': safe_val(ret_val, 6), 'is_rebalance': is_rebalance, 'holdings': sorted(list(current_holdings)), 'added': sorted(added), 'removed': sorted(removed), 'assets': assets } days_list.append(day_record) prev_holdings = current_holdings # 10. 构建元数据 codes_meta = {} for signal_code, asset in config.asset_pools.assets.items(): codes_meta[signal_code] = { 'name': asset.name, 'etf': asset.trade_source, 'group': asset.group } output = { 'meta': { 'version': 'V2', 'strategy': 'GlobalRotationStrategy', 'mode': '指数信号 + ETF收益', 'start_date': common_dates[0].strftime('%Y-%m-%d'), 'end_date': common_dates[-1].strftime('%Y-%m-%d'), 'total_days': len(common_dates), 'trade_cost': strategy.trade_cost, 'dynamic_threshold': { 'enabled': strategy.use_dynamic_threshold, 'bond_code': bond_code, 'ratio': bond_ratio }, 'diversified': strategy.diversified, 'rebalance_count': int(rebalance_count), 'final_nav': safe_val(equity_curve.iloc[-1], 4), 'codes': codes_meta }, 'days': days_list } # 11. 输出 output_path = project_root / 'framework_v2' / 'results' / 'backtest_detail_v2.json' print(f"\n[10] 写入 {output_path}...") with open(output_path, 'w', encoding='utf-8') as f: json.dump(output, f, ensure_ascii=False) file_size_mb = output_path.stat().st_size / 1024 / 1024 print(f" 大小: {file_size_mb:.1f} MB") print(f" 天数: {len(days_list)}") print(f" 标的: {len(all_codes)}") print(" 完成!") # 打印汇总统计 print("\n" + "=" * 80) print(" 回测汇总") print("=" * 80) print(f" 总收益: {(equity_curve.iloc[-1] - 1) * 100:.2f}%") print(f" 年化收益: {((equity_curve.iloc[-1]) ** (252 / len(common_dates)) - 1) * 100:.2f}%") print(f" 调仓次数: {rebalance_count}") print(f" 交易天数: {len(common_dates)}") print(f" 输出文件: {output_path}") if __name__ == '__main__': main()