Independent reviews, live odds, and free calculators for Kalshi, Polymarket, FanDuel Predicts, and 16 more.
Side-by-side comparison of every major platform. Sorted by our overall rating.
| # | Rating | US Legal | KYC | Trust | Liquidity | Fees | Deposit Methods | Mobile | Actions |
|---|---|---|---|---|---|---|---|---|---|
| Yes | 9.5 | 9 | No trading fees; $0.01 per contract settlement | Bank transferDebit card+1 | |||||
| Yes | 8 | 9.5 | No trading fees; gas fees on Polygon (minimal) | USDCCrypto wallet+1 | |||||
| Yes | 9 | 8.5 | Zero commissions | Robinhood balanceBank transfer+1 | |||||
| Yes | 9 | 8 | $0.01-$0.99 per contract; no additional fees | Bank transferDebit card+2 | |||||
| Yes | 8.5 | 7.5 | Spread-based pricing | Bank transferDebit card+1 | |||||
| Yes | 8.5 | 7 | No trading fees at launch | Bank transferDebit card+1 | |||||
| Yes | 10 | 7.5 | Brokerage commissions apply | Brokerage account funding | |||||
| Yes | 7 | 8.5 | 0% trading fees | Credit cardCrypto | |||||
| Yes | 8.5 | 6.5 | Fee-free at launch | Bank transferWire transfer+2 | |||||
| Yes | 9.5 | 7 | Standard IBKR commissions | Brokerage account fundingWire transfer+1 | |||||
| No | 7 | 6 | Free | Free Mana (play-money) | |||||
| Yes | 8 | 5.5 | Competitive spread-based pricing | Bank transferDebit card |
Real-time odds from Polymarket, Kalshi, Manifold, and Metaculus. Updated every 5 minutes.
Browse marketsProfit calculator, odds converter, Kelly criterion, expected value, and arbitrage finder.
Use toolsTest your forecasting skills with quizzes, calibration training, and leaderboard competitions.
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Trade on real-world events like elections, Fed decisions, and sports outcomes. It's simpler than you think.
Browse questions like "Will the Fed cut rates?" — prices show the crowd's estimated probability.
Think it'll happen? Buy YES. Think it won't? Buy NO. Contracts cost 1¢ to 99¢.
Correct predictions pay $1.00 per contract. Profit = payout minus what you paid.
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