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Bratislava 2: Jerome Kym vs Lucas Poullain: Kalshi vs Polymarket odds

Jerome Kym: 92¢ on Kalshi, 89¢ on Polymarket. Polymarket is 3¢ cheaper for "Yes".

Bratislava 2: Jerome Kym vs Lucas Poullain

Kalshi vol $951KPolymarket 24h $53K
OutcomeKalshiPolymarketGap
Jerome Kym92¢89¢-3¢
Lucas Poullain9¢11¢+2¢

Why the same contract has two prices

Kalshi and Polymarket run separate order books with different traders, so prices drift apart. Fees differ, and liquidity differs by market. Check each exchange's resolution rules before treating a gap as free money: small wording differences can mean the contracts are not identical.

Where can you trade it?

Kalshi and Polymarket US availability depends on your state, and sports contracts are blocked in some states. Check your state.

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