Polymarket Backtest

Test prediction-market trading strategies against historical Polymarket data. Realistic execution model with spread, slippage, and 2% commission.

Run a BacktestParameter SweepAPI Docs

Available Strategies

0 strategies
No strategies loaded. Check that the backend is running.

Execution Model

Spread
|P(yes) − (1 − P(no))|

Half-spread added on buy, subtracted on sell.

Slippage
min(0.5%, 100 / daily_volume)

Decreases as volume increases.

Commission
2% per trade (Polymarket fee)

Applied on top of execution price.