The U.S. Senate unanimously voted on April 30 to ban members and their staff from betting on prediction markets such as Kalshi and Polymarket. The rule, aimed to stop senators from insider trading will go into effect immediately.
“Serving in Congress is an honor, not a side hustle,” Sen. Bernie Moreno (R-Ohio) wrote in an X post on Thursday. “Americans deserve to know that their leaders are here for the right reason!”
Moreno spearheaded the ban, and Sen. Alex Padilla (D-Calif.) added an amendment to expand the rule to Senate staff.
Polymarket, one of the most popular prediction markets in the world, quickly voiced support for the legislation on social media….
Senate Passes Rule Banning Members From Trading on Prediction Markets

