NBA Names Kalshi and Polymarket Preferred Exchanges

The NBA has named Kalshi and Polymarket its preferred prediction-market exchanges and signed an information-sharing agreement with the U.S. Commodity Futures Trading Commission, linking the league’s partnerships with the platforms to measures intended to protect game integrity. The NBA and the CFTC said the memorandum of understanding is designed to improve information sharing about suspicious trading and potential misconduct, including insider trading and fraud. The agreement does not settle the contested question of whether federal commodities oversight or state gambling laws govern sports prediction markets. Under safeguards described by the league and Kalshi, the platforms face restrictions on which NBA-related markets they can offer, and NBA and team personnel are barred from trading contracts tied to NBA events. The exchanges are expected to cooperate with the league and regulators on suspicious-trading investigations. The NBA says the framework gives it a role in approving the types of markets offered on its games. The league also said Kalshi and Polymarket can use NBA statistics supplied by Sportradar to settle authorized markets. The agreements allow the exchanges to...