NFL urges Supreme Court to rule on prediction markets like Kalshi and Polymarket

The NFL filed a brief backing New Jersey's request for the Supreme Court to decide who regulates prediction markets — states or the CFTC. The league says $1.8 billion of the $3.3 billion traded on the first Sunday of the season was tied to its games.

• NFL: $1.8B of $3.3B in first-Sunday volume was tied to the league
• 38 states backed New Jersey's push for state authority over prediction markets
• Appeals courts split: 6th and 9th for states, 3rd for Kalshi
• NFL wants the trading age limit raised from 18 to 21