Planck Standard
Tech

Senate Bans Members From Prediction Markets After Military Betting Scandal

Unanimous vote comes after several senators were caught betting on their own races and military outcomes.

Senate Bans Members From Prediction Markets After Military Betting Scandal
Image via Ars Technica

The U.S. Senate voted unanimously Friday to prohibit all members and staff from participating in prediction markets, closing a regulatory loophole that had allowed lawmakers to place bets on political outcomes including their own electoral prospects. The decisive action came after mounting public outrage over revelations that several senators had been actively trading on platforms that allowed wagering on military conflicts and election results.

The ban encompasses all forms of prediction market trading, including platforms like Kalshi, Polymarket, and other emerging services that allow users to place monetary bets on future political, economic, and military events. Senate Ethics Committee Chairman said the prohibition was necessary to maintain public trust and prevent conflicts of interest that could compromise lawmakers' decision-making processes on matters of national importance.

Investigations revealed that multiple senators had placed significant wagers on prediction markets covering everything from their own reelection chances to the outcomes of ongoing military operations. The most damaging revelations involved senators betting on Iran war developments while simultaneously receiving classified intelligence briefings about military strategy and diplomatic negotiations. Ethics experts characterized such activities as potentially constituting insider trading using classified information.

The Kentucky Derby, which takes place Saturday in Louisville, will notably be absent from prediction market platforms as these companies voluntarily step back from horse racing betting amid the broader regulatory scrutiny. Platform operators like Kalshi and Polymarket confirmed they are sitting out the Derby while reassessing their compliance procedures and working with regulators to establish clearer guidelines for political prediction markets.

The new Senate rules impose immediate trading bans and require full disclosure of any existing positions within 30 days. Violations will be subject to Ethics Committee investigation and potential criminal referral if insider trading laws were violated. The House of Representatives is expected to consider similar restrictions as pressure mounts for comprehensive reform of congressional trading rules across all financial markets, not just prediction platforms.

Read next