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Apr. 9, 2026

Predicting the future of futures prediction markets

Futures prediction markets raise questions about legality, insider trading, and unpaid bets, with the Supreme Court poised to decide the limits of federal preemption and states' rights.

I. Nelson Rose

Attorney and Professor of Law

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Predicting the future of futures prediction markets
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Futures prediction markets have recently gotten a lot of attention. Not all of it good.

Insiders who knew top-secret military plans opened accounts on Polymarket and placed $529 million in winning trades, betting on the exact day air-strikes would begin.

A bigger problem has so far gotten little attention. Kalshi, the other big operator, has refused to pay $54 million to traders who won their bets on when Iranian leader Ayatollah ...

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