Looking for sites similar to Polymarket? Here are the main Polymarket competitors and how they differ. We only link to Polymarket (our affiliate partner); the others are described for comparison.
Kalshi
Is Kalshi legit? Yes — Kalshi is a CFTC-regulated designated contract market in the US, requiring full KYC. It trades in US dollars rather than crypto. "demo.kalshi.co" is Kalshi's demo environment for testing [verify before publishing]. Kalshi or Polymarket — which is better? It depends on where you live and what you trade. See our full Polymarket vs Kalshi comparison, including Polymarket vs Kalshi fees.
Manifold Markets
Manifold uses play money ("mana"), so there's no real-money risk. Its fee structure applies to mana, not cash [verify before publishing]. It's a good place to practise forecasting.
Other Alternatives
- Sportsbooks: not prediction markets — you bet against the house.
- Exchange-listed event contracts: some brokers offer event contracts in certain countries [verify before publishing].
- Forecasting sites: communities that score predictions without money.
How to Compare
Use the checklist in best prediction markets: regulation, availability in your country, fees, liquidity, and how markets resolve.
A Note on "Betting on Everything" Websites
Sites promising you can bet on anything with no checks are a red flag. Stick to regulated or well-known platforms and never bypass country restrictions.