NBA Seeks Prediction Market Data to Detect Insider Trading
Commissioner Adam Silver said the league wants access to prediction market data as the NFL backs state regulation of sports event contracts.
Updated on Nov. 11, 2026 in Basketball
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On Friday, October 9, NBA Commissioner Adam Silver said the league seeks access to prediction market data to help identify potential insider trading. The remarks came weeks after an appeals court ruled that states could regulate sports prediction markets.
Why it matters
Silver said prediction markets raise the same integrity concerns as traditional sports betting, including contracts tied to whether a coach will be fired. The debate over whether these contracts fall under gambling law or federal swap rules affects how leagues and regulators police wagering nationwide.
The NBA operates across roughly 40 regulatory jurisdictions, which complicates a uniform approach to prediction market oversight. The NFL has proposed a minimum trading age of 21, while the scope of data access the NBA is seeking remains undefined.
The players
Adam Silver
Adam Silver is the Commissioner of the National Basketball Association, who has led the league through major media, gambling and integrity debates.
National Basketball Association
The National Basketball Association is the professional men's basketball league in North America, operating across roughly 40 regulatory jurisdictions.
National Football League
The National Football League is the professional American football league in the United States that filed a Supreme Court amicus brief on prediction market regulation.
The details
Silver spoke to CNBC's Contessa Brewer on Squawk Box, saying the league wants control of, or access to, prediction market data to police potential insider trading. On Thursday, October 8, the NFL filed an amicus brief with the US Supreme Court backing New Jersey regulators, arguing that sports-related event contracts fall under gambling laws rather than federal swap rules. The NFL also raised concern that markets tied to player injuries could let people with nonpublic information profit.
Timeline
September: An appeals court ruled that states could regulate sports prediction markets.
Thursday, October 8: The NFL filed an amicus brief with the US Supreme Court.
Friday, October 9: Adam Silver spoke on CNBC about prediction market integrity.
Season Trajectory
The September appeals court ruling that states can regulate sports prediction markets set the stage for the NFL's Supreme Court filing. Leagues are now positioning themselves on the federal-versus-state question that will shape how sports contracts are governed.
Fantasy and betting players should note that the NFL wants event contracts tied to player injuries treated as gambling. The outcome of the Supreme Court dispute will determine which rules apply to contracts available to U.S. users.
The takeaway
Prediction markets are drawing the same integrity scrutiny as sportsbooks, and the legal boundary between gambling and federal swaps remains unsettled. Readers following sports wagering should watch how the Supreme Court and state regulators resolve the question.
Further reading
For more on league policy debates, see Basketball coverage.
Source note: This article includes information reported by GamblingNews.
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