The push is further supported by the NFL, which filed an amicus brief labeling prediction markets as gambling operations and requesting a speedy decision. The league, which deviates from MLB and NHL partnerships with such apps, noted that Nevada’s’ nearly 400 gambling regulators offer a model for oversight the federal government lacks. Prediction market operators Kalshi and Polymarket have push back against the filing, with Kalshi issuing a response that legal observers described as highly antagonistic.
