{"id":259947,"date":"2026-10-28T10:40:05","date_gmt":"2026-10-28T14:40:05","guid":{"rendered":"https:\/\/ibkrcampus.com\/campus\/?p=259947"},"modified":"2026-10-29T05:34:34","modified_gmt":"2026-10-29T09:34:34","slug":"you-want-to-backtest-a-strategy-claude-wants-to-start-a-software-company","status":"publish","type":"post","link":"https:\/\/www.interactivebrokers.com\/campus\/ibkr-quant-news\/you-want-to-backtest-a-strategy-claude-wants-to-start-a-software-company\/","title":{"rendered":"You Want to Backtest a Strategy. Claude Wants to Start a Software Company."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">You\u2019re using an LLM to help you with your trading.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You come across an idea you think might lead to a profitable trading strategy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But you\u2019re not quite sure where to start, so you ask your friend Claude:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cCan you help me backtest this opening range breakout strategy?\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Claude responds:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cAbsolutely. This is a great strategy to backtest! Let\u2019s build a comprehensive Python backtesting framework that downloads historical minute data, identifies the opening range, generates entry and exit signals, calculates position sizing, models slippage and commissions, and produces a full performance report with Sharpe ratio, maximum drawdown, win rate, profit factor, and Monte Carlo analysis.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wow &#8211; it sounds like exactly what you need.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But here&#8217;s where the rabbit hole begins.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AI is like an overeager new employee on their first day, desperate to prove they belong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But they don\u2019t know what they don\u2019t know, which is always dangerous when allocating resources to projects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(Ever notice how software projects always take longer than estimated, even in the AI era? This is why!)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Just because Claude says it\u2019s a good idea for you to become a backtest software engineer doesn\u2019t mean it\u2019s the right move.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to be a successful trader, being the lead engineer on a complex software project to build a backtesting engine will get in the way.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But there\u2019s a much better way.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Instead of building from scratch, you can have Claude work with existing backtesting platforms that have spent decades fixing hidden edge cases you don\u2019t know about.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s the best of both worlds: Claude can focus on trading strategies instead of tracking down an endless stream of software bugs you don\u2019t have to.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The goal is to build better trading strategies, not better backtesting software.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The best backtesting engine is the one you <strong>don\u2019t have to build<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Want to skip the backtesting rabbit holes and get straight to testing trading ideas?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">My free Better Backtesting email course shows you how I use AI and existing backtesting tools to quickly turn trading ideas into testable strategies\u2014without building everything from scratch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Get the free <a href=\"https:\/\/betterbacktesting.com\/ibarticle\">Better Backtesting Course<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>More from Dave Mabe<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Article:<\/strong> <a href=\"https:\/\/www.interactivebrokers.com\/campus\/ibkr-quant-news\/stop-treating-claude-like-your-trading-ceo\/\">Stop Treating Claude Like Your Trading CEO<\/a><\/li>\n\n\n\n<li><strong>Upcoming webinar:<\/strong><a href=\"https:\/\/www.interactivebrokers.com\/campus\/webinars\/from-idea-to-backtest-build-a-trading-strategy-with-claude\/\"> From Idea to Backtest: Build a Trading Strategy with Claude<\/a> &#8211; November 16, 2026, at 12:00 p.m. ET<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Already an Interactive Brokers Client?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ndcdyn.interactivebrokers.com\/sso\/Login?action=AccountSettings&amp;config=TradingPermissions&amp;utm_source=quantClaudeCoRTP&amp;utm_ibsource=quantClaudeCoRTP\" target=\"_blank\" rel=\"noreferrer noopener\">Request Trading Permissions<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>New to Interactive Brokers?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ndcdyn.interactivebrokers.com\/mkt\/?src=quantClaudeCoAcc&amp;url=%2FUniversal%2FApplication&amp;utm_ibsource=quantClaudeCoAcc\" target=\"_blank\" rel=\"noreferrer noopener\">Open Account<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinkslinkslinkslinkslinkslinkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinkslinkslinkslinkslinkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinkslinkslinkslinkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinkslinkslinkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinkslinkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-linkslinks\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-links\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Just because Claude says it\u2019s a good idea for you to become a backtest software engineer doesn\u2019t mean it\u2019s the right move.<\/p>\n","protected":false},"author":1519,"featured_media":222331,"comment_status":"open","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[339,343,349,338,341],"tags":[21627,7257,4873,22305,22304,595],"contributors-categories":[17815],"class_list":["post-259947","post","type-post","status-publish","format-standard","has-post-thumbnail","category-data-science","category-programing-languages","category-python-development","category-ibkr-quant-news","category-quant-development","tag-ai-trading","tag-algorithmic-trading","tag-backtesting","tag-backtesting-platforms","tag-claude-ai","tag-python","contributors-categories-mabe-kit"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>You Want to Backtest a Strategy. 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