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Advocacy groups ask Supreme Court to revisit decision that legalized sports betting nationally

Wednesday, October 7, 2026 7:25 PM
Photo: Shutterstock: U.S. Supreme Court
  • Brian Pempus, GamblingHarm.org

A coalition of leading advocacy groups is asking the U.S. Supreme Court to reconsider a key part of its landmark 2018 Murphy v. NCAA decision.

If successful, it could reopen the door to a federal prohibition on commercial sports betting authorized by states. Doing so could potentially save millions of Americans from financial harm linked to online sports gambling.

Stop Predatory Gambling, the Association of American Physicians and Surgeons, and Texans Against Gambling filed a 37-page amicus brief Wednesday in Flaherty v. Kalshi. That case involves whether prediction market operator Kalshi may offer so-called “sports-event contracts” outside the bounds of state sports gambling laws.

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