The league also inked a memorandum of understanding with the CFTC, the federal regulator of prediction markets. The NBA sees Kalshi and Polymarket as its "preferred" prediction markets and has signed a memorandum of understanding with the CFTC to ensure all trading. The NBA has named Kalshi and Polymarket its preferred prediction market exchanges, signed an agreement with the CFTC and widened its DraftKings deal.