--- id: gracefullight/stock-checker/backtesting-trading-strategies version: "f4ab7c62" license: none install: manual updated: 2026-07-27 --- # Backtesting Trading Strategies — Validate trading strategies using historical market data before deploying real capital. This skill includes eight built-in strategies and calculates key performance metrics like Sharpe ratio, Sortino ratio, and maximum drawdown alongside trade-by-trade analysis and equity curve visualization. Optimize strategy parameters through grid search to find the best-performing configurations. Publisher: gracefullight · Stars: 39 · Updated: 2026-07-27 Install (manual): `git clone https://github.com/gracefullight/stock-checker` *Unlicensed repository - metadata only, no file contents reproduced.* [View on SkillFed](https://skillfed.io/gracefullight/stock-checker/backtesting-trading-strategies) · [View on GitHub](https://github.com/gracefullight/stock-checker)