Tribal Nations Urge Supreme Court to Halt Illegal Gaming by Prediction Market Platforms

A coalition of over 140 Tribal Nations and organizations filed an amicus brief urging the Supreme Court to take up Flaherty v. KalshiEX. They argue that prediction market companies like Kalshi are conducting sports betting in violation of federal, state, and Tribal gaming laws, including the Indian Gaming Regulatory Act, and operating on Indian lands without authorization and minimal oversight.