Congress targets prediction markets with ban legislation and hearings

Editorial illustration for: Republicans in Congress target prediction markets with new legislation and hearings

In brief

  • Rep. Bryan Steil drafting legislation to ban lawmakers and staff from betting on political outcomes
  • Over 10 bills targeting prediction markets introduced in Congress since January 2026
  • Senate Commerce Committee held May 2026 hearings examining platforms like Kalshi
  • Lawmakers question whether prediction markets function as gambling operations or legitimate price discovery

Legislative Push Against Political Betting

Rep. Bryan Steil, a Wisconsin Republican, is drafting legislation that would prohibit current and former members of Congress and their staff from betting on political outcomes. The bill is designed to attach to existing legislation addressing stock trading among lawmakers, signaling lawmakers' intent to treat prediction market access as a governance issue alongside financial conflict of interest.

The pace of congressional action has accelerated sharply. More than ten bills targeting insider trading and prediction markets have been introduced in Congress since January 2026, reflecting bipartisan concern about the sector's rapid growth and potential regulatory gaps.

Senate Scrutiny and Market Concentration

The Senate Commerce Committee held hearings in May 2026 that took direct aim at platforms like Kalshi, which controls approximately 89% of the regulated US prediction market share as of April 2026. Senators questioned whether prediction markets function more like gambling operations than legitimate price discovery mechanisms, a distinction with significant regulatory implications.

Lawmakers raised concerns about gambling, public trust, and the potential for these markets to distort political discourse. The hearings exposed fundamental disagreements over whether platforms should operate under existing financial regulations or face new restrictions tailored to political betting.

Catalyst Events Intensify Momentum

The platform experienced substantial growth following the 2024 elections, riding waves of retail interest in real-time political wagering. Recent events have sharpened the urgency. International events have added fuel to the fire. Turmoil in countries like Venezuela has intensified concerns about how prediction markets might be exploited or misused in ways that undermine public confidence in electoral integrity.

The outcome of this legislative push remains uncertain. What's clear is that prediction markets have moved from a niche financial product to a target of sustained congressional attention—a shift that could reshape how these platforms operate and who can access them.