backtesting-frameworks

SKILL.md

Build robust, production-grade backtesting systems that avoid common pitfalls and produce reliable strategy performance estimates.

| Look-ahead | Using future information | Point-in-time data | | Survivorship | Only testing on survivors | Use delisted securities | | Overfitting | Curve-fitting to history | Out-of-sample testing | | Selection | Cherry-picking strategies | Pre-registration | | Transaction | Ignoring trading costs | Realistic cost models |

Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms, validating strategies, or building backtesting infrastructure. Source: wshobson/agents.

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/wshobson/agents --skill backtesting-frameworks Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor

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