US Senate Bans Prediction Market Trading Over Insider Concerns

The United States Senate has unanimously approved a rule banning its members and staff from participating in prediction markets, marking a significant step to address ethical risks tied to insider information. The measure took immediate effect after being passed by unanimous consent.

Lawmakers Cite Insider Trading and Public Trust Risks

Republican Senator Bernie Moreno, who introduced the resolution, argued that engaging in such markets while holding sensitive information undermines public confidence. Senate Democratic leader Chuck Schumer supported the move, calling it a necessary safeguard to prevent lawmakers from profiting on events like wars, elections, or economic crises.

The decision follows growing scrutiny of prediction platforms such as Polymarket and Kalshi, particularly after a recent case in which a US soldier allegedly used classified information to place bets.

Broader Regulatory Push and Market Impact

The Senate also urged other branches of government to adopt similar restrictions, signaling a wider regulatory push. A parallel resolution is expected in the House of Representatives.

While prediction platforms have welcomed the move, the ban highlights ongoing concerns about transparency, market fairness, and the potential misuse of privileged information in rapidly growing event-based trading markets.