NBA partners with Kalshi and Polymarket as official prediction markets

The NBA has recently established partnerships with Kalshi and Polymarket, designating them as the league's preferred prediction markets. These agreements, announced on Monday, aim to provide robust integrity protections for NBA-related prediction markets, which include limitations on the type of markets offered, transparency to identify suspicious trading patterns, and a ban on league and team personnel from trading on these markets.

The NBA has had similar safeguards in place with its sportsbook partners, citing instances where it flagged irregularities in betting patterns. NBA spokesperson Scott Kaufman-Ross emphasized the importance of regulated markets for fans and the league's integrity, stating that unregulated betting could be detrimental. The NBA is also broadening its agreements with existing sports betting partners, such as DraftKings, to encompass their prediction-market offerings.

The new agreements are expected to include limitations on the types of markets that can be offered, with the NBA retaining the right to approve authorized markets. Kalshi and Polymarket will gain access to league intellectual property, NBA statistical data, and other marketing activations as part of their partnerships with the NBA.

While NBA stars like Giannis Antetokounmpo and LeBron James have endorsed these markets, Victor Wembanyama recently expressed his disinterest in endorsing such betting sites.