Support WBURKalshi in court over 19 federal lawsuits. What's the future of prediction markets?Play03:49Download AudioBobby AllynJanuary 30, 2026 ShareAdvertisements for Kalshi in New York City predicted a victory for Zohran Mamdani in the city's mayoral election before the votes were counted and polls closed on Nov. 4, 2025. (AP)