All comparisons

Republican Presidential Nominee 2028: Kalshi vs Polymarket odds

J.D. Vance: 35¢ on Kalshi, 36¢ on Polymarket. Kalshi is 2¢ cheaper for "Yes".

Republican Presidential Nominee 2028

Kalshi vol $130KPolymarket 24h $783K
OutcomeKalshiPolymarketGap
J.D. Vance35¢36¢+1¢
Marco Rubio22¢22¢0¢
Ron DeSantis3¢4¢+1¢
Tucker Carlson3¢3¢0¢
Ted Cruz2¢3¢+1¢
Ivanka Trump1¢2¢+1¢
Donald Trump1¢2¢+1¢
Donald Trump Jr.4¢2¢-2¢

Price history

32¢35¢38¢ 11-0211-02

Kalshi vs Polymarket, hourly,

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.

Related comparisons