Sports prediction markets: Kalshi vs Polymarket
Game winners, fights and championships listed as event contracts on both exchanges. We track 0 sports questions listed on both exchanges (0 live now); 0 have disagreed by more than the fees at least once.
Every shared sports market
| Market | Outcome | Match | Detections | Status |
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Frequently asked questions
Do Kalshi and Polymarket disagree on sports markets?
We are not tracking any sports pairs at the moment.
What fees apply?
Kalshi charges takers 7% × price × (1 − price) per contract. Polymarket's sports rate is about 5% on the same curve; makers pay nothing on either.
Do both contracts resolve identically?
Each pair was confirmed as the same question by an automated reviewer with a visible confidence score, but resolution rules can differ in edge cases. Read both rule sets before treating a gap as risk-free.
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