第37章 我开源全部代码,附三年A股数据
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第37章我开源全部代码,附三年A股数据(第1/2页)
2026年5月15日星期五晚上20:00
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【群聊记录】
时间:20:00
明觉:晚间复盘。市场今日小幅反弹。降龙兄昨日之回测数据,发人深省。吾观其过程与结果,愈觉“量化验证”之重要。贝兄,不知你当初构建自身体系时,可曾对“网格交易”、“再平衡”等核心策略,进行过系统性的长期回测?
巴派谪传弟子-老金:同问。我也好奇,贝兄你那套三维仓位,特别是网格交易,在历史上不同市场阶段(牛市、熊市、震荡市)的表现到底怎么样?有没有数据支持?还是说,主要是基于逻辑推演?
锅王:又来了。他那套东西,回测有什么用?过去不代表未来。不过……我也挺好奇,你那乌龟流,在历史上能跑赢指数吗?别回测出来比定投还差,那就搞笑了。
降龙十八掌:(经过一夜消化,语气沉稳许多)我昨天用贝兄给的代码,又回测了几个简单的策略,包括一个最简单的“买入持有沪深300”,一个“年化再平衡(股债50/50)”,还有一个简化版的“固定间距网格”。虽然我写的网格策略很粗糙,但数据确实有意思。贝兄,你的回测肯定更完善。方便分享更多吗?特别是关于网格参数优化、不同标的、不同市况的数据?
无所不晓:数据……看多了头晕。但感觉有数据比没数据强。
贝悟得:看到大家开始关注“数据验证”,这是非常好的现象。我的体系并非凭空想象,其核心组成部分(资产配置、再平衡、网格交易)都有成熟的理论基础,并且我自己在构建过程中,也确实进行了大量的回测和模拟,以理解其风险收益特征、适应环境以及参数敏感性。这些回测是辅助我理解工具、建立信心、并设定合理预期的重要依据。
贝悟得:既然@降龙十八掌已经迈出了第一步,@明觉和@老金也提出了具体问题,@锅王也表达了“好奇”,那么,作为对“理性投资、数据驱动”理念的践行,我决定做一件事:将我用于策略回测的Python代码库(简化版,但核心功能完整),以及用于回测的A股市场三年基础数据(2019-2021),整理并开源给大家。
贝悟得:请注意:
1.这不是一个成熟的量化交易系统,而是一个教学和验证性质的简化回测框架。目的是帮助有编程基础或愿意学习的朋友,理解回测的基本流程,并验证一些简单的投资想法。
2.代码和数据的目的是“授人以渔”,而非提供“圣杯策略”。你可以用它们验证自己的思路,也可以学习如何构建回测。
3.数据仅为示例:包含沪深300、中证500、创业板指等主要宽基指数,以及部分行业ETF的日线数据(前复权)。数据来源于公开渠道,可能存在微小误差,用于教学回测足够。
4.风险提示:回测基于历史,不代表未来。代码和策略可能存在错误,请谨慎对待结果,切勿直接用于实盘。
贝悟得:我现在将打包好的文件上传到群文件。压缩包名为“Invest_Backtest_Demo_2019-2021.zip”。里面包含:
1.README.md:详细的使用说明,包括环境配置、代码结构、数据说明、如何运行示例、以及如何修改策略。
2./data目录:存放CSV格式的历史行情数据。
3./strategies目录:几个示例策略的Python文件。
buy_and_hold.py:买入并持有策略。
annual_rebalance.py:股债年化再平衡策略(示例用沪深300和国债指数模拟)。
simple_grid.py:一个基础的、固定价格间距的网格交易策略示例。
macd_cross.py:MACD金叉死叉策略(示例,同之前分享)。
4.backtest_engine.py:简化的回测引擎核心文件,处理数据加载、信号生成、模拟交易、计算绩效指标等。
5.utils.py:一些工具函数,如计算最大回撤、夏普比率等。
6.requirements.txt:所需的Python库列表。
贝悟得:我重点解释一下simple_grid.py这个网格策略示例,因为它与我的体系关联最直接。这个示例策略非常简单:
标的:沪深300ETF(以指数替代)。
逻辑:设定一个基准价(如初始价格),然后向上、向下各设置N个网格,间距固定(如5%)。当价格触及网格线时,执行买入(向下)或卖出(向上)。每次买卖固定数量(或金额)。
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