US States Prediction Markets Michigan Judge Blocks Kalshi Sports Event Contracts Last Updated: June 30th, 2026 8:34 am PDT Key Highlights A Michigan judge’s ruling has initiated another setback for prediction market platforms, further muddying the waters on their legality at the state level. Michigan Court Halts Kalshi Sports Bets On June 29th, Ingham County Circuit Court Judge Rosemarie Aquilina blocked Kalshi from allowing residents to trade on event contracts related to sporting outcomes […]