修复代码问题
This commit is contained in:
86
backtest.py
86
backtest.py
@@ -7,12 +7,11 @@
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"""
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import argparse
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import sys
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import os
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import importlib.util
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import os
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import sys
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import pandas as pd
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from datetime import datetime
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from backtesting import Backtest
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# 数据库配置(直接硬编码,开发环境)
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DB_HOST = "81.71.3.24"
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@@ -47,8 +46,7 @@ def load_data_from_db(code, start_date, end_date):
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try:
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# 构建 SQL 查询
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query = f"""
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SELECT
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trade_date,
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SELECT trade_date,
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open * factor AS "Open",
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close * factor AS "Close",
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high * factor AS "High",
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@@ -175,30 +173,6 @@ def parse_arguments():
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return parser.parse_args()
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def format_value(value, cn_name, key):
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"""
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格式化数值显示
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"""
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if isinstance(value, (int, float)):
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if "%" in cn_name or key in [
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"Sharpe Ratio",
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"Sortino Ratio",
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"Calmar Ratio",
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"Profit Factor",
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]:
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formatted_value = f"{value:.2f}"
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elif "$" in cn_name:
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formatted_value = f"{value:.2f}"
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elif "次数" in cn_name:
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formatted_value = f"{value:.0f}"
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else:
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formatted_value = f"{value:.4f}"
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else:
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formatted_value = str(value)
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return formatted_value
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def print_stats(stats):
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"""
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打印回测统计结果
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@@ -206,33 +180,32 @@ def print_stats(stats):
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参数:
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stats: backtesting 库返回的统计对象
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"""
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print("\n" + "=" * 60)
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print("回测结果")
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print("=" * 60)
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print("回测结果")
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indicator_name_mapping = {
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# 'Start': '回测开始时间',
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# 'End': '回测结束时间',
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# 'Duration': '回测持续时长',
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# 'Exposure Time [%]': '持仓时间占比(%)',
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'Equity Final [$]': '最终收益',
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'Equity Peak [$]': '峰值收益',
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'Return [%]': '总收益率(%)',
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'Buy & Hold Return [%]': '买入并持有收益率(%)',
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'Return (Ann.) [%]': '年化收益率(%)',
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'Volatility (Ann.) [%]': '年化波动率(%)',
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"Equity Final [$]": "最终收益",
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"Equity Peak [$]": "峰值收益",
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"Return [%]": "总收益率(%)",
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"Buy & Hold Return [%]": "买入并持有收益率(%)",
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"Return (Ann.) [%]": "年化收益率(%)",
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"Volatility (Ann.) [%]": "年化波动率(%)",
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# 'CAGR [%]': '复合年均增长率(%)',
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# 'Sharpe Ratio': '夏普比率',
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'Sortino Ratio': '索提诺比率',
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'Calmar Ratio': '卡尔玛比率',
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"Sortino Ratio": "索提诺比率",
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"Calmar Ratio": "卡尔玛比率",
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# 'Alpha [%]': '阿尔法系数(%)',
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# 'Beta': '贝塔系数',
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'Max. Drawdown [%]': '最大回撤(%)',
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'Avg. Drawdown [%]': '平均回撤(%)',
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'Max. Drawdown Duration': '最大回撤持续时长',
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'Avg. Drawdown Duration': '平均回撤持续时长',
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'# Trades': '总交易次数',
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'Win Rate [%]': '胜率(%)',
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"Max. Drawdown [%]": "最大回撤(%)",
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"Avg. Drawdown [%]": "平均回撤(%)",
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"Max. Drawdown Duration": "最大回撤持续时长",
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"Avg. Drawdown Duration": "平均回撤持续时长",
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"# Trades": "总交易次数",
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"Win Rate [%]": "胜率(%)",
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# 'Best Trade [%]': '最佳单笔交易收益率(%)',
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# 'Worst Trade [%]': '最差单笔交易收益率(%)',
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# 'Avg. Trade [%]': '平均单笔交易收益率(%)',
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@@ -240,14 +213,19 @@ def print_stats(stats):
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# 'Avg. Trade Duration': '单笔交易平均持有时长',
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# 'Profit Factor': '盈利因子',
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# 'Expectancy [%]': '期望收益(%)',
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'SQN': '系统质量数',
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"SQN": "系统质量数",
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# 'Kelly Criterion': '凯利准则',
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}
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for k, v in stats.items():
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if k in indicator_name_mapping:
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cn_name = indicator_name_mapping.get(k, k)
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if isinstance(v, (int, float)):
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if "%" in cn_name or k in ['Sharpe Ratio', 'Sortino Ratio', 'Calmar Ratio', 'Profit Factor']:
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if "%" in cn_name or k in [
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"Sharpe Ratio",
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"Sortino Ratio",
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"Calmar Ratio",
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"Profit Factor",
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]:
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formatted_value = f"{v:.2f}"
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elif "$" in cn_name:
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formatted_value = f"{v:.2f}"
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@@ -257,9 +235,9 @@ def print_stats(stats):
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formatted_value = f"{v:.4f}"
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else:
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formatted_value = str(v)
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print(f'{cn_name}: {formatted_value}')
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print(f"{cn_name}: {formatted_value}")
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print("=" * 60 + "\n")
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print("=" * 60)
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def main():
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@@ -282,16 +260,12 @@ def main():
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print(f"使用预热数据范围: {warmup_data.index[0]} ~ {warmup_data.index[-1]}")
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# 加载策略
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print(f"加载策略: {args.strategy_file}")
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calculate_indicators, strategy_class = load_strategy(args.strategy_file)
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# 计算指标
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print("计算指标...")
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warmup_data = calculate_indicators(warmup_data)
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print("指标计算完成")
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# 执行回测
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print("开始回测...")
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from backtesting import Backtest
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bt = Backtest(
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@@ -308,12 +282,10 @@ def main():
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# 生成图表
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if args.output:
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print(f"\n生成图表: {args.output}")
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os.makedirs(os.path.dirname(args.output), exist_ok=True)
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bt.plot(filename=args.output, open_browser=False)
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print(f"图表已保存到: {args.output}")
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print("\n回测完成!")
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except Exception as e:
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print(f"\n错误: {e}")
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import traceback
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@@ -2,28 +2,27 @@
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MACD 趋势跟踪策略
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策略逻辑:
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- 当 MACD 线上穿信号线时 (金叉),且价格 > EMA200 时,买入
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- 当 MACD 线下穿信号线时 (死叉),或价格 < EMA200 时,卖出
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- 当 MACD 线上穿信号线时 (金叉),且价格 > EMA 时,买入
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- 当 MACD 线下穿信号线时 (死叉),或价格 < EMA 时,卖出
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指标计算:
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- MACD(10, 20, 9): 快线 10 日,慢线 20 日,信号线 9 日
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- EMA200: 200 日指数移动平均线(趋势确认)
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- EMA: 200 日指数移动平均线(趋势确认)
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参数选择理由:
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- 快线 10: 比标准 12 更敏感,适应 A 股较高波动性
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- 慢线 20: 比标准 26 更快响应,同时保持趋势跟踪稳定性
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- 信号线 9: 保持标准,避免信号过于频繁
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- EMA200: 被广泛认可为牛熊分界线,避免逆势交易
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- EMA: 被广泛认可为牛熊分界线,避免逆势交易
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趋势过滤:
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- EMA200 上方: 确认为上升趋势,允许开多仓
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- EMA200 下方: 确认为下降趋势,不开多仓,强制平仓
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- EMA 上方: 确认为上升趋势,允许开多仓
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- EMA 下方: 确认为下降趋势,不开多仓,强制平仓
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Author: Sisyphus
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Date: 2025-01-27
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"""
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import pandas as pd
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from backtesting import Strategy
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from backtesting.lib import crossover
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@@ -32,32 +31,30 @@ def calculate_indicators(data):
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"""
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计算策略所需的技术指标
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使用 ta-lib 库计算 MACD 和 EMA200 指标
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使用 ta-lib 库计算 MACD 和 EMA 指标
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参数:
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data: DataFrame, 包含 [Open, High, Low, Close, Volume, factor]
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返回:
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DataFrame, 添加了指标列:
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- MACD_10_20_9: MACD 线 (DIF)
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- MACDs_10_20_9: MACD 信号线 (DEA)
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- MACDh_10_20_9: MACD 柱状图 (Histogram)
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- EMA_200: 200 日指数移动平均线
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- dif: MACD 线 (dif)
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- signal: MACD 信号线 (DEA)
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- hist: MACD 柱状图 (Histogram)
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- ema: 日指数移动平均线
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"""
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data = data.copy()
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# 计算 MACD 指标 (10, 20, 9)
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# talib.MACD 返回三个值: (macd, macdsignal, macdhist)
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macd, macdsignal, macdhist = talib.MACD(
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data["Close"], fastperiod=10, slowperiod=20, signalperiod=9
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)
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macd, macdsignal, macdhist = talib.MACD(data["Close"], fastperiod=10, slowperiod=20, signalperiod=9)
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data["MACD_10_20_9"] = macd
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data["MACDs_10_20_9"] = macdsignal
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data["MACDh_10_20_9"] = macdhist
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data["dif"] = macd
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data["signal"] = macdsignal
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data["hist"] = macdhist
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# 计算 EMA200 趋势线
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data["EMA_200"] = talib.EMA(data["Close"], timeperiod=200)
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# 计算 EMA 趋势线
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data["ema"] = talib.SMA(data["Close"], timeperiod=120)
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return data
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@@ -76,7 +73,7 @@ class MacdTrendStrategy(Strategy):
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"""
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MACD 趋势跟踪策略
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结合 MACD 金叉/死叉信号和 EMA200 趋势过滤
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结合 MACD 金叉/死叉信号和 EMA 趋势过滤
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参数:
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fast_period: MACD 快线周期 (默认: 10)
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@@ -95,13 +92,13 @@ class MacdTrendStrategy(Strategy):
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注册指标到 backtesting 框架
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"""
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# 注册 MACD 线
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self.macd = self.I(lambda x: x, self.data.MACD_10_20_9)
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self.macd = self.I(lambda x: x, self.data.dif)
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# 注册 MACD 信号线
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self.macd_signal = self.I(lambda x: x, self.data.MACDs_10_20_9)
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self.macd_signal = self.I(lambda x: x, self.data.signal)
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# 注册 EMA200 趋势线
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self.ema200 = self.I(lambda x: x, self.data.EMA_200)
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# 注册 EMA 趋势线
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self.ema = self.I(lambda x: x, self.data.ema)
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def next(self):
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"""
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@@ -109,25 +106,19 @@ class MacdTrendStrategy(Strategy):
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买入条件:
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- MACD 金叉 (MACD 线上穿信号线)
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- 价格 > EMA200 (确认上升趋势)
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- 价格 > EMA (确认上升趋势)
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卖出条件:
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- MACD 死叉 (MACD 线下穿信号线)
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- 或价格 < EMA200 (趋势转向,强制平仓)
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- 或价格 < EMA (趋势转向,强制平仓)
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"""
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# 买入条件: MACD 金叉 AND 价格 > EMA200
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if (
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crossover(self.macd, self.macd_signal)
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and self.data.Close[-1] > self.ema200[-1]
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):
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# 买入条件: MACD 金叉 AND 价格 > EMA
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if crossover(self.macd, self.macd_signal) and self.data.Close[-1] > self.ema[-1]:
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self.position.close() # 先平掉现有仓位
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self.buy() # 开多仓
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# 卖出条件: MACD 死叉 OR 价格 < EMA200
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elif (
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crossover(self.macd_signal, self.macd)
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or self.data.Close[-1] < self.ema200[-1]
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):
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# 卖出条件: MACD 死叉 OR 价格 < EMA
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elif crossover(self.macd_signal, self.macd) or self.data.Close[-1] < self.ema[-1]:
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self.position.close() # 平掉多仓
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@@ -5,7 +5,7 @@ SMA 双均线交叉策略
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- 当短期均线上穿长期均线时 (金叉),买入
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- 当短期均线下穿长期均线时 (死叉),卖出
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指标计算:
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指标计算 (使用 ta-lib):
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- SMA10: 10 日简单移动平均线
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- SMA30: 30 日简单移动平均线
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- SMA60: 60 日简单移动平均线
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@@ -21,19 +21,25 @@ def calculate_indicators(data):
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"""
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计算策略所需的技术指标
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使用 ta-lib 库计算 SMA 指标
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参数:
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data: DataFrame, 包含 [Open, High, Low, Close, Volume, factor]
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返回:
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DataFrame, 添加了指标列
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DataFrame, 添加了指标列:
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- sma10: 10 日简单移动平均线
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- sma30: 30 日简单移动平均线
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- sma60: 60 日简单移动平均线
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- sma120: 120 日简单移动平均线
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"""
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data = data.copy()
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# 计算不同周期的移动平均线
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data["sma10"] = data["Close"].rolling(window=10).mean()
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data["sma30"] = data["Close"].rolling(window=30).mean()
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data["sma60"] = data["Close"].rolling(window=60).mean()
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data["sma120"] = data["Close"].rolling(window=120).mean()
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data["sma10"] = talib.SMA(data["Close"], timeperiod=10)
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data["sma30"] = talib.SMA(data["Close"], timeperiod=30)
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data["sma60"] = talib.SMA(data["Close"], timeperiod=60)
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data["sma120"] = talib.SMA(data["Close"], timeperiod=120)
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return data
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@@ -85,3 +91,7 @@ class SmaCross(Strategy):
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elif crossover(self.data.sma30, self.data.sma10):
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self.position.close() # 先平掉现有仓位
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self.sell() # 开空仓
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# 导入 talib (必须在文件末尾,因为 calculate_indicators 函数中使用了 talib)
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import talib
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