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Taipei: Jan Kumstat vs Billy Harris: Kalshi vs Polymarket odds

Jan Kumstat: 53¢ on Kalshi, 53¢ on Polymarket. Both exchanges price it the same.

Taipei: Jan Kumstat vs Billy Harris

Kalshi vol $56KPolymarket 24h $16K
OutcomeKalshiPolymarketGap
Jan Kumstat53¢53¢0¢
Billy Harris48¢48¢0¢

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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