Baltimore Sues Kalshi, Polymarket Over Alleged Illegal Sports Betting

By Holt Hackney The city of Baltimore has filed lawsuits against prediction-market operators Kalshi and Polymarket, alleging the companies are effectively operating unlicensed sportsbooks while misleading consumers about the legality and regulatory status of their products. Baltimore Mayor Brandon Scott and the City Council filed separate complaints Thursday in Baltimore City Circuit Court against the companies and affiliated entities. The lawsuits assert claims under Baltimore's Consumer Protec