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U.S. Senate Unanimously Votes to Ban Senators and Staff From Trading on Prediction Markets
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U.S. Senate Unanimously Votes to Ban Senators and Staff From Trading on Prediction Markets

May 1, 2026

The U.S. Senate unanimously passed S. Res. 708, introduced by Republican Senator Bernie Moreno of Ohio, immediately banning senators and their staff from trading on prediction markets where users bet on political outcomes and policy decisions. The resolution targets potential advantages from non-public government information and represents the first major regulatory action specifically prohibiting federal officials from prediction market participation. The move comes amid heightened insider trading concerns, including the arrest last week of 38-year-old U.S. Army soldier Gannon Ken Van Dyke for allegedly using confidential information to place prediction market bets, and recent executive orders in California, New York, and Illinois blocking state employees from similar activity. Prediction market platforms Kalshi and Polymarket expressed support for the ban, noting they already proactively block congressional members, while Minority Leader Chuck Schumer urged Speaker Johnson and President Trump's administration to implement similar rules immediately.

Senate Resolution Banning Prediction Market Trading

  • ▪S. Res. 708 represents the first major regulatory action specifically prohibiting government officials from prediction market participation
  • ▪The unanimous passage of S. Res. 708 indicates bipartisan agreement that prediction market trading poses ethical concerns similar to traditional stock trading restrictions for government officials
  • ▪Republican Senator Bernie Moreno of Ohio introduced S. Res. 708
  • ▪S. Res. 708 targets potential advantages from non-public government information
  • ▪The U.S. Senate unanimously passed S. Res. 708, banning senators from trading on prediction markets
  • ▪S. Res. 708 prohibits senators and their staff from participating in prediction markets where users can bet on political outcomes, policy decisions, and other events

Industry and Political Response to the Ban

  • ▪Polymarket expressed full support for S. Res. 708
  • ▪Chuck Schumer urged Speaker Johnson to immediately implement a prediction market trading ban in the House
  • ▪Kalshi founder Tarek Mansour called the Senate's action on S. Res. 708 a great step
  • ▪Tarek Mansour urged lawmakers to expand the prediction market trading ban to the House
  • ▪Minority Leader Chuck Schumer urged the House and President Donald Trump's administration to enact similar rules to S. Res. 708

Insider Trading Incidents Prompting the Action

  • ▪Gannon Ken Van Dyke, a 38-year-old active-duty U.S. Army soldier, was arrested for allegedly using confidential information to place prediction market bets
  • ▪In January, a pseudonymous Polymarket account wagered on Venezuelan President Nicolás Maduro being out by the end of the month, netting over $400,000

3 sources

The Block
Senate moves to ban themselves from prediction market trading amid insider concerns
View source article
Decrypt
Senate Votes to Ban Senators and Staff From Using Prediction Markets
View source article
Coindesk
U.S. senators won't be weighing in on prediction markets bets after banning themselves
View source article

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Insider tradingUS SenateCrypto regulationPrediction marketsU.S. politicians