An app for Kalshi on a cell phone in Chicago on Feb. 25, 2026. Scott Olson/Getty ImagesA bipartisan pair of senators introduced legislation this week aimed at banning sports betting through prediction market platforms such as Kalshi and Polymarket.Sens. John Curtis (R-Utah) and Adam Schiff (D-Calif.) unveiled the Prediction Markets Are Gambling Act, which would prohibit entities registered with the Commodity Futures Trading Commission (CFTC) from offering prediction contracts that resemble sports bets or casino-style games.





