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U.S. senators won't be weighing in on prediction markets bets after banning themselves

The Senate agreed unanimously to revise its rules to ban members and their staffs from wagers on prediction markets platforms.

By Jesse Hamilton|Edited by Nikhilesh De Apr 30, 2026, 10:13 p.m. 2 min readMake preferred on U.S. Senator Bernie Moreno authored a ban on senators betting in prediction markets, and it passed. (Jesse Hamilton/CoinDesk)

What to know:

• The U.S. Senate voted unanimously to approve a resolution that would prohibit senators and their staffs from betting in the prediction markets.
• Its author, Republican Bernie Moreno, said the lawmakers "have no business" engaging in such activities.

A U.S. Senate that's struggled to move crypto market structure legislation moved like lightning on Thursday to ban themselves from participating in prediction markets.

Acting on a simple, 14-line resolution pushed by Ohio Republican Senator Bernie Moreno, the Senate agreed unanimously to put a restriction between members and the increasingly popular, controversial betting platforms that have drawn scrutiny over insider-trading activity and fights over who has regulatory jurisdiction.

“United States Senators have no business engaging in speculative activities like prediction markets while collecting a taxpayer-funded paycheck, period,” said Senator Moreno in a Thursday statement. “Serving in Congress should never be about finding new ways to profit; it should be about delivering results for the American people.”

Effective immediately, the change to Senate rules now holds that senators can't enter "an agreement, contract, or transaction that provides for any purchase, sale, payment, or delivery that is dependent on the occurrence, nonoccurrence, or the extent of the occurrence of a specific event."

Political betting has surged in popularity, and some candidates for office have already been penalized for wagering on their own races.

One of the leading platforms, Polymarket, posted on social media site X that the company is in "full support" of the Senate's action. Polymarket, which isn't supposed to operate in the U.S. after a 2022 agreement with the CFTC, noted that its user rules "already prohibit such conduct, but codifying this into law is a step forward for the industry."

Betting on Polymarket currently gives Democrats even odds that they'll reclaim the Senate majority in the November elections. Democrats have generally been more critical and suspicious of the fast-growing industry.

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