AGA, tribal groups and unions ask senators to bar prediction markets like Kalshi and Polymarket from offering sports event contracts via the CLARITY Act.

A coalition of federally recognized tribes filed amicus briefs in two federal cases opposing Kalshi and CFTC preemption of tribal gaming laws, as the prediction-market…

US gaming groups called on Congress to ban sports and casino-style prediction markets in a crypto market structure bill, Semafor reported.