Madness wager between a pro gambler and an artificial-intelligence site will be decided by the winner of the Duke-Houston game in the Final Four.

Who is winning the national championship in March Madness? Our best March Madness Women's Final Four predictions are in.

That led New Jersey’s Department of Gaming Enforcement and the Nevada Gaming Commission to serve Kalshi to block its service within the state’s borders. That led to Robinhood blocking predictions for users in New Jersey, where this weekend’s East Regional tournament was played.