The NBA is restricting selected betting markets offered by authorised sportsbook partners ahead of the 2026–27 season.
The measures include limits on parlays combining multiple unders on the same player’s statistics and restrictions on wagers involving players expected to receive limited playing time. These changes affect the products available through commercial agreements with operators including DraftKings and FanDuel.
NBA Removes Player Props Considered Vulnerable To Manipulation
According to ESPN, bettors will no longer be able to combine multiple unders on the same player’s statistics in a parlay.
The NBA has also instructed authorised operators to stop offering wagers on the winner of the opening tip, players missing specific shots and unders involving players expected to play fewer than 12 minutes.
Alternate under lines offering larger payouts will also be prohibited. These markets can be affected by small or isolated events, making them more vulnerable to manipulation than broader game or player-performance wagers.
The league is attempting to reduce integrity risks while limiting the possibility that bettors move to illegal operators offering the same products.
Porter And Rozier Cases Influence The League’s Betting Changes
ESPN linked the changes to betting patterns identified in federal cases involving former NBA players Jontay Porter and Terry Rozier.
Porter admitted in court that he deliberately left games early to benefit bettors while playing for the Toronto Raptors during the 2023–24 season. Federal prosecutors alleged a similar approach involving Rozier’s statistics during a March 2023 game. Rozier has pleaded not guilty and denied wrongdoing.
The cases have increased attention on markets based on individual player statistics, particularly when a player’s minutes or availability can materially affect the outcome.
NBA Expands AI Monitoring, Education And Protection Against Bettor Harassment
A separate NBA memo reportedly outlined an internal artificial intelligence platform designed to identify suspicious betting activity.
This system analyses basketball data, injury reports, social media information about player availability and individual betting data. It is intended to help integrity teams detect unusual patterns and support investigations.
The NBA is expanding education for players. Former NFL player and retired FBI agent Charles Tillman will provide in-person training, while rookies will receive additional instruction during the NBA Combine and Rookie Transition programme.
Also, the league is updating its Fan Code of Conduct and working with Social Protect to address bettor harassment. A text-based hotline will provide a secure way to report threats.
Commissioner Adam Silver Seeks Greater Oversight Of Prediction Markets
NBA commissioner Adam Silver has also called for access to prediction-market trading data and more influence over contracts linked to NBA events.
“Whether it’s called a prediction market, whether it’s sports betting, it’s the same issues for our league, and I think for all the leagues, there’s issues around integrity first and foremost,” Silver said. “We want access to that data. We also want control of the market.”
His comments show that the NBA views prediction markets as raising similar integrity concerns to conventional sportsbooks.
The NBA’s restrictions show how leagues are moving towards product-level controls rather than relying only on monitoring after suspicious activity occurs. Removing specific props may reduce manipulation risks, but it could also push demand towards unregulated platforms. By combining AI monitoring and player education, the league shows that integrity protection is a key part of its partnerships.