Strategy MOCK

Kelly Criterion Position Sizer for Prediction Markets

Bankroll management toolkit with Kelly sizing, edge estimation, and risk simulation for prediction market traders

  • Full & fractional Kelly variants
  • Monte Carlo drawdown simulator
  • Jupyter notebook with worked examples

Features

  • Full & fractional Kelly: Classic Kelly + half-Kelly + custom fraction for conservative sizing
  • Edge estimator: Compares your model's probability vs market price to calculate expected edge
  • Multi-market portfolio: Simultaneous Kelly across correlated prediction markets with covariance adjustment
  • Drawdown simulator: Monte Carlo simulation of bankroll paths under your sizing parameters
  • CLI + library: Use as a standalone CLI tool or import as a TypeScript/Python library

Versions

Includes v1.1.0

  • TypeScript library (zero dependencies)
  • Python port with NumPy-based simulator
  • Rust WASM sizer (runs in browser)
  • Multi-market correlated Kelly module
  • Interactive Jupyter notebook (12 worked examples)
  • Backtest harness using Polymarket historical data