All comparisons

Big Bash League, Women: Melbourne Stars vs Sydney Sixers: Kalshi vs Polymarket odds

Sydney Sixers: 66¢ on Kalshi, 65¢ on Polymarket. Both exchanges price it the same.

Big Bash League, Women: Melbourne Stars vs Sydney Sixers

Kalshi vol $304KPolymarket 24h $52K
OutcomeKalshiPolymarketGap
Sydney Sixers66¢65¢-1¢
Melbourne Stars35¢35¢0¢

Price history

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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