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UNINBA names Kalshi and Polymarket preferred prediction-market exchanges
The NBA has made Kalshi and Polymarket its preferred prediction-market exchanges, giving both access to official league data and trademarks while keeping approval rights over which contracts can trade.
Why it matters: The NBA's endorsement gives prediction markets commercial legitimacy and official data, even as US regulators and states remain divided over who governs sports event contracts.
Key points
- Kalshi will use official NBA data distributed by Sportradar to operate and settle authorised NBA markets.
- Players and covered league and team personnel are barred from trading NBA event contracts, and the league and Kalshi will share integrity information.
The NBA has named Kalshi and Polymarket its preferred prediction-market exchanges, giving both platforms access to official league data, trademarks and advertising during game broadcasts. The agreements, reported by ESPN and The Athletic, were announced by Kalshi on 26 Oct 2026 and give the league approval rights over the categories of contracts the exchanges may offer.
NBA Commissioner Adam Silver said roughly 40 jurisdictions regulate the league and that a consistent national policy would be in its best interest.
Regulatory disputes continue, with New York in litigation over sports event contracts and a New Jersey case heading toward the US Supreme Court.
What to watch: A New Jersey dispute over jurisdiction is headed to the US Supreme Court, while New York pursues litigation challenging sports event contracts.
Live updates on NewsFeeds:MacroDesk editor: Keshav Aggarwal (accountable for this page; this summary was not edited by hand)
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