A proposal for the Commodity Futures Trading Commission to regulate prediction markets such as Kalshi and Polymarket is under review by the White House, a filing from Tuesday shows. Details of the proposal, which are being reviewed by the Office of Management and Budget , are not visible on the filing. CNBC has requested comment from the CFTC, Kalshi and Polymarket on the filing, which Bloomberg reported earlier Wednesday. CFTC Chairman Michael Selig on Jan. 29 said the agency planned to write