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Ventforet Kōfu vs. Albirex Niigata: Kalshi vs Polymarket odds

Albirex Niigata: 27¢ on Kalshi, 33¢ on Polymarket. Kalshi is 6¢ cheaper for "Yes".

Ventforet Kōfu vs. Albirex Niigata

Kalshi vol $57KPolymarket 24h $28K
OutcomeKalshiPolymarketGap
Albirex Niigata27¢33¢+6¢
Ventforet Kōfu21¢19¢-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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