Exclusive: Polymarket CEO blasts sportsbooks as "scam"

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Polymarket CEO Shayne Coplan speaks at Axios BFD on Nov. 18, 2025. Screenshot: Axios

Polymarket CEO Shayne Coplan blasted traditional sportsbooks as a "scam" at Axios BFD and said he expects the Supreme Court to eventually decide whether prediction markets can offer their version of sports betting.

Why it matters: Prediction markets have enjoyed a string of legal wins allowing them to offer sports betting via "events contracts" in the handful of states that haven't legalized gambling.

Exclusive: Polymarket CEO blasts sportsbooks as "scam"

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