Platform guides

Reviews and deep-dives on every federally-regulated event-contract platforms US traders can use.

Sources

Every figure on this page is checked against primary sources — regulator filings, exchange documentation and official results. Prices and rules change; verify with the operator before trading.

  1. Kalshi Help Center — fees, funding and account rules — Kalshi
  2. Polymarket documentation — markets, fees and resolution — Polymarket
  3. Designated Contract Markets (DCMs) — U.S. Commodity Futures Trading Commission
  4. The Commodity Exchange Act & regulations — U.S. Commodity Futures Trading Commission

Frequently asked questions

Which platform should I choose?

Kalshi for breadth and liquidity, Polymarket for culture and crypto-native markets, Chalkboard for player props, Novig for peer-to-peer sports pricing, Sleeper and Rebet for social trading.

Can I use more than one venue?

Yes, and most active traders do. Prices for the same outcome can differ between venues, which is where cross-venue opportunities appear.

What should I compare first?

State eligibility, funding methods, fee structure, and the depth of the specific markets you plan to trade — not the signup bonus.

Nothing here yet.