Key Takeaways
- A unanimous Senate vote established an immediate prohibition on prediction market participation for senators and their staff
- The measure became effective instantly through unanimous consent procedures
- Ohio Republican Senator Bernie Moreno spearheaded the initiative
- A military service member faces charges for allegedly leveraging classified intelligence on Polymarket
- Representative Ashley Hinson, a Republican, plans to propose matching legislation in the House
In a decisive Thursday vote, the United States Senate approved a comprehensive prohibition preventing lawmakers and their staff from engaging with prediction markets. The measure, championed by Senator Bernie Moreno, a Republican from Ohio, enacted immediate changes to Senate regulations.
Moreno articulated that elected officials receiving public funding should refrain from speculative financial activities. The updated regulations prohibit participation in any contract or arrangement linked to forecasting specific event outcomes.
This legislative action followed April 23 charges against a special operations service member accused of exploiting classified intelligence for Polymarket wagers. The military personnel, connected to an operation targeting Venezuela’s former president Nicolás Maduro, maintains innocence.
Concerns also emerged regarding suspiciously timed wagers on Middle Eastern military conflicts involving Iran. Senate Majority Leader Chuck Schumer described the prohibition as obvious and necessary.
“We cannot permit Congress to become a gambling hall where public servants bet on military conflicts, financial disasters, or electoral contests,” Schumer declared during floor proceedings.
Cross-Party Agreement Drives Action
The measure advanced through unanimous consent, indicating zero opposition from any senator. Representatives from both major parties endorsed the initiative, with Schumer advocating for expansion to encompass executive branch personnel.
“Executive officials and their staff should face identical restrictions,” Schumer emphasized, highlighting concerns about what he characterized as “disturbing patterns of corruption and personal profit.”
Republican House member Ashley Hinson announced via X her intention to bring forward comparable legislation in the lower chamber.
Platform Operators Weigh In
Polymarket, a prominent prediction market operator, expressed complete backing for the Senate’s decision. The platform highlighted that its existing user agreements already prohibit such behavior, while characterizing the legislation as “industry progress.”
Polymarket operates under a 2022 settlement with the CFTC that restricts domestic US operations.
Tarek Mansour, who leads competing platform Kalshi as co-founder and CEO, similarly praised the resolution. He confirmed Kalshi maintains existing blocks on congressional members and actively prevents insider trading.
Political wagering has experienced significant expansion in recent years. Multiple candidates have already incurred sanctions for placing bets on their own electoral contests.
The Senate measure spans just 14 lines. Its swift passage stands in stark contrast to ongoing delays surrounding comprehensive cryptocurrency regulation frameworks.
At the time of the vote, Polymarket markets showed Democrats holding 50-50 odds for regaining Senate control in November’s elections.





