Bloomberg Business of Sports Why Prediction Markets Should Scare Sports Leagues
Dec 19, 2025
Max Adler, a municipal finance reporter, discusses the intriguing Oklahoma City soccer stadium project backed by Russell Westbrook and its potential economic impact. Ira Boudway dives into the explosive growth of prediction markets like Kalshi and Polymarket, raising concerns about manipulation and regulatory oversight in sports betting. Dr. James Borchers, Chief Medical Officer at the Big Ten, emphasizes the need for better athlete health management amidst pressures of longer seasons and youth specialization-related injuries. A riveting blend of finance, sports, and athlete well-being!
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Trader Used Inside Tips To Win
- A professional trader used inside Senate staff tips to profit on a Kalshi market about Jennifer Granholm's confirmation.
- Ira Boudway warns this mirrors sports insider trades that leagues fear could undermine integrity.
Leagues See Regulatory Guardrail Gaps
- Leagues worry prediction markets lack the state-level guardrails of regulated sportsbooks.
- That gap creates tensions over monitoring manipulation, insider trading, and market design.
NHL Chose Partnership Over Distance
- The NHL struck deals with Kalshi and Polymarket to share official data and let them use league marks.
- The NHL says partnership gives it a phone call away if problems arise and creates revenue opportunities.