Kalshi and Gambling Is Not Investing clash over March Madness bets as ‘Mick’s Picks’ campaign launches

A public clash between prediction market platform Kalshi and the advocacy group Gambling is Not Investing is playing out alongside March Madness, with fresh comments from Kalshi leadership adding fuel to the debate.

The dispute gained traction after the group introduced “Mick’s Picks,” a campaign featuring former congressman and Executive Director Mick Mulvaney placing tournament wagers through regulated sportsbooks. In its first example, Mulvaney backs Michigan to “cut down the nets,”...