Category · Prediction Markets
Event-contract platforms — Kalshi, Polymarket, Manifold, Predictit, Metaculus. The fastest-growing category we cover, and the one with the most jurisdictional complexity.
Updated May 2026
Every firm here has been independently tested. Scores reflect rule architecture, payout reliability, cost, platform, and support.
| # | Firm | Rating | Account cost | Payout split | Coupon | |
|---|---|---|---|---|---|---|
| 01 | KL Kalshi Event contracts | Free | Wins kept | PFR | ||
| 02 | PM Polymarket Crypto-based | Free | Wins kept | No code | ||
| 03 | MA Manifold Markets Play money + real | Free | Wins kept | No code | ||
| 04 | PT PredictIt Political markets | Free | Wins kept (10% fee) | No code | ||
| 05 | MC Metaculus Forecasting | Free | Reputation-based | No code | ||
| 06 | AS Augur Decentralized | Free | Wins kept | No code |