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backtest-overfitting

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GitHub Action that checks a trading backtest in CI with the deflated Sharpe ratio, adjusted for how many strategies were tried, through canlicapital.com's free validation API, and writes the receipt to the job summary.

  • Updated Sep 20, 2026
  • JavaScript

MCP server that catches fake backtests before you trust them: deflated Sharpe ratio, backtest overfitting (CSCV/PBO), data-snooping tests (White's Reality Check, Hansen's SPA), lookahead checks and pipeline placebos. 20 tools for Claude, Cursor and any MCP client; on npm, the MCP Registry and hosted at canlicapital.com/mcp.

  • Updated Oct 12, 2026
  • JavaScript

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