US Lawmakers Back Supreme Court Review of Kalshi Case

Lawmakers from states with large gaming industries are pressing the Supreme Court to take up a legal fight involving Kalshi, a prediction market platform, and New Jersey regulators. The case centers on whether event-based contracts tied to sports outcomes fall under federal oversight or remain subject to state gambling laws.

If the court agrees to hear the dispute, the ruling could help define the boundary between prediction markets and sports betting. That distinction matters for exchanges, regulators and state governments, which have faced growing uncertainty as event contracts expand into politically and commercially sensitive markets.

The push comes as prediction markets draw more attention from traders and policymakers. Supporters argue the products offer a federally supervised venue for price discovery on real-world events. Critics contend they can function like sports wagers and should face state-level gaming restrictions.

For now, the case remains a legal test with broader implications for the structure of U.S. event-contract markets. A Supreme Court review could either reinforce federal pre-emption in this area or give states more room to police products that resemble betting.