TOTAL VOLUME:

$124b

24H VOL:

$84,547,050

24H TRANSACTIONS:

2,121,338,658

OPEN INTEREST:

$1,287,835,486

364,458

Markets across

33,243

events

MATCHED EVENTS:

3,079

PLATFORM COVERAGE:

5

Polymarket:

41%

VS.

Kalshi:

59%

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PredictionHero article image: Prediction markets vs sportsbooks.
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Prediction Markets vs Sportsbooks: What Actually Changes When You Trade an Event Contract

Here's exactly what changes when you trade a Kalshi or Polymarket event contract instead of betting a sportsbook line.

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Jared Polites · Aug 28