New bill would ban lawmakers, their families from betting on prediction markets

• Violators would face fines of $2,000 or 10% of the transaction value (whichever is greater), plus any net gains from the prohibited bet
• The ban covers wagers on government policies, political outcomes, and events lawmakers learned about through their congressional service
• The legislation follows a March 2025 incident where suspected insiders placed suspiciously timed bets on prediction markets related to Iran conflict, generating significant profits

Summary

Key Development:

Rep. Bryan Steil (R-Wis.), Chairman of the House Administration Committee, introduced the "Stop Lawmakers From Predicting Act" on Thursday, which would ban members of Congress, their spouses, and dependent children from betting on prediction markets where they could exploit insider information.

Scope of Ban:

The legislation prohibits wagers on government policies, political outcomes, and any events lawmakers learn about through their congressional service. This includes betting on specific government actions, policy decisions, and election results.

Penalties:

Violators would face fines equal to the greater of $2,000 or 10% of the prohibited transaction value, plus any net gains from the trade. Lawmakers cannot use official office allowances or political contributions to pay fines. Those leaving office without paying could face Justice Department civil enforcement.

Context:

The bill follows the House Administration Committee's advancement of the Stop Insider Trading Act in January. It also comes after March 2025 incidents where blockchain analysts identified suspected insiders placing suspiciously timed bets on prediction markets related to the Iran conflict, including markets on potential U.S. strikes and the death of Ayatollah Ali Khamenei, generating significant profits.

Regulatory Background:

CFTC Chairman Michael Selig recently outlined proposed rules for prediction markets, clarifying acceptable contracts on sporting events while prohibiting trades on war, terrorism, or assassinations.

Market Implications:

The legislation addresses growing concerns about conflicts of interest in the expanding prediction market industry, potentially increasing regulatory oversight and market integrity standards for political betting platforms.