NBA Signs Kalshi, Polymarket 13 Days After Its Gambling Warning

The NBA just put its responsible gaming message alongside a major commercial expansion into prediction markets.

On Oct. 13, the NBA and WNBA announced a responsible gaming campaign with the National Council on Problem Gambling (NCPG).

The campaign tells fans, particularly young adults, that betting or trading on games puts their money at risk, no matter how well they know sports.

It urges them to treat both as entertainment and to set limits on their time and money.

The spots will run across social and linear platforms during the 2026-27 NBA season, with creative details and a debut date still to come.

And then, just 13 days later, on Oct. 26, the NBA named Kalshi and Polymarket as its preferred prediction market exchanges.

The new partnerships give Kalshi and Polymarket rights to use NBA IP, marketing opportunities, promotional activations, and official league data.

The NBA also signed an MOU with the Commodity Futures Trading Commission (CFTC) covering cooperation and information sharing on market integrity.

"Protecting the integrity of the game is our top priority," Scott Kaufman-Ross, the NBA's head of media distribution and partnerships, said in a press release.

"As this category develops, we believe it is important to work constructively with regulators and operators to help ensure that appropriate safeguards are in place."

Kaufman-Ross added that the agreements also give the NBA new ways to engage fans.

The opposing announcements raise a harder brand question for the league.

It is asking fans to understand the risks of prediction markets while granting two big industry players official status and promotional rights.

NBA's Warning Partner Loses Four State Members Over Kalshi

The NCPG announced a $2 million, two-year investment from Kalshi in May 2026 to support trader health and safety initiatives.

It also created a Financial Services & Trading membership category, with Kalshi as its first member.

State regulators and problem gambling groups in Michigan, Nevada, Ohio, and Washington have since quit the NCPG over this Kalshi deal.

Executive director Heather Maurer resigned in September and stayed through Oct. 16, three days after the NBA unveiled its NCPG campaign.

On Oct. 26, the same day the NBA named its preferred exchanges, the NCPG appointed consultant Charles H. Jeffers II as interim executive director.

The board hopes Jeffers can steady the group until a national search for a permanent leader begins in January.

These events leave the NBA's gambling risk campaign linked to a partner whose credibility on prediction markets is already in question.

Polymarket has its own NBA connection through LeBron James, whose endorsement deal is worth a reported $15 million a year.

The deal pays James nearly four times his roughly $3.9 million salary with the 76ers this season.

And his content for Polymarket centers on football, which keeps the league's most famous player away from basketball markets for now.

These basketball markets now play by NBA rules, with limits on which contracts both platforms can offer.

The deals ban league and team personnel from trading NBA event contracts and require both exchanges to share information on suspicious activity.

The CFTC agreement adds a formal channel for cooperation on integrity and regulatory oversight.

These measures protect the integrity of the games themselves.

Any league weighing co-branding with a risky category needs consumer safeguards strong enough to match its own warnings.

Prediction Markets See Trading Surge as Sports Demand Grows

A September 2026 Pew Research Center analysis found that monthly trading on Kalshi and Polymarket more than doubled from May to $53 billion in July.

Sports drove most of the increase, making basketball a valuable category for platforms seeking repeat user activity.

Prediction Frontier's Q3 report shows the same pull, with $34.9 billion traded on match and game winner markets alone.

Kalshi and Polymarket already listed NBA contracts before signing with the league.

The deals let the NBA monetize its official data and IP on markets that would trade on its games either way.

But the league will need retention and sentiment data to show that these deals grow basketball fandom along with trading volume.

The data points to three lessons for sports marketing teams.

• Demand can grow quickly. Marketers should track category-level trading activity to identify where fan interest may support new commercial partnerships.
• Trading volume needs context. Teams should distinguish contract turnover from actual money paid to assess the scale of consumer exposure.
• Attention does not guarantee loyalty. Leagues should measure repeat viewership and fan sentiment alongside product usage to assess lasting engagement.

The NBA's commercial opportunity is substantial, but long-term value depends on these products sustaining interest without eroding trust.

Our Take: Can Prediction Markets Deepen Fan Engagement?

Prediction markets can give fans another way to interact with NBA games.

We'd say these products can deepen NBA fan engagement, as long as the league judges them by the quality of the fan relationship they create.

A market tied to a game's outcome can encourage fans to follow teams, players, and statistics more closely.

The risk is that financial participation becomes the main reason that fans tune in.

Fans who lose money or develop unhealthy trading habits may associate the NBA with financial stress.

The NCPG's own fallout shows how quickly a partner's trust problem can spill onto everyone connected to it.

Meanwhile, prediction market Novig reached a $2 billion valuation after a Sydney Sweeney ad campaign.

The NBA's deals with Novig's rivals now face the same test of whether marketing can deepen engagement without compromising consumer trust.

Sports partnerships require careful planning across brand strategy, audience engagement, and risk management.

Explore these top sports marketing agencies to find a partner that can help build responsible, measurable fan engagement programs.