
Read-only prediction-market data for Kalshi and Polymarket: modelled fair-value EV edges, cross-venue arbitrage spreads, market snapshots, and large whale trades. Free tier: 1,000 requests/month.
Prices and medians update for the tier you select.
Ranked by how closely each one matches Marketmaster Prediction Market's job. Prices show each provider's Individual state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.