The two most prominent prediction market platforms both encountered significant pushback this week, underscoring the gap between regulatory approval and public acceptance in the nascent industry.

Polymarket removed betting markets tied to the rescue of two U.S. service members after an F-15E fighter jet was shot down over Iran. The markets allowed users to wager on whether the airmen would be recovered by specific dates, with roughly 63% of traders predicting a Saturday rescue. Democratic congressman Seth Moulton, a Marine veteran, was among the first to flag the contracts, calling them “disgusting.” Polymarket deleted the markets and apologized, but Moulton said the platform’s “integrity standards are severely lacking,” pointing to dozens of other active contracts tied to the conflict.

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In a separate blow to the industry, a Nevada state judge extended a ban on Kalshi, ruling that its sports outcome contracts are “indistinguishable from gambling.” Judge Jason Woodbury granted the Nevada Gaming Control Board’s request for a preliminary injunction, blocking Kalshi from offering sports, entertainment, and election-related contracts in the state. The court rejected Kalshi’s argument that its products are federally regulated swaps falling under the exclusive jurisdiction of the CFTC. Kalshi must implement mandatory geofencing by May 4 to block Nevada-based participants.

The parallel setbacks illustrate a recurring challenge for prediction markets. Both platforms have secured federal regulatory footing, but legitimacy in practice depends on public sentiment and a patchwork of state-level rules that remain hostile in key jurisdictions. Kalshi plans to appeal the ruling.

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