US States News Prediction Markets Baltimore Sues Kalshi & Polymarket Over Unlicensed Sports Betting Last Updated: August 17th, 2026 1:15 pm PDT Key Highlights Kalshi and Polymarket’s legal battles are piling up in several states. Now, the city of Baltimore is taking action against the prediction market operators. Baltimore Challenges Prediction Markets On August 13, Baltimore Mayor Brandon Scott filed a lawsuit against Kalshi and Polymarket, accusing the prediction market operators of offering sports betting without the […]