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Kalshi ML Testing

Predicting market outcomes with supervised learning, calibrated probabilities, and rule-based trading.

The project

  • Built supervised learning models to predict binary outcomes in prediction markets using historical price, volume, and temporal features
  • Applied isotonic regression for probability calibration, improving alignment between predicted probabilities and observed outcome frequencies for trading applications
  • Designed and backtested a rule-based trading strategy using probability edges, achieving consistent positive expected value

Figures

Calibration Curves
Calibration curves.
Total PnL vs Edge Threshold
Total PnL vs edge threshold.
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