A16z Backs CFTC Against State Prediction Market Bans
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A16z Backs CFTC Against State Prediction Market Bans

Andreessen Horowitz has sided with the CFTC in opposing state-level bans on prediction markets, as platforms like Kalshi and Polymarket face increased regulatory scrutiny. The move comes as Congress simultaneously restricts lawmakers' personal trading activity.

May 3, 2026, 08:02 AM1 min read

Key Takeaways

  • 1## The Filing Andreessen Horowitz submitted a statement supporting the CFTC's authority to regulate prediction markets at the federal level and opposing state bans that fragment the market.
  • 2The filing argues that a patchwork of state restrictions undermines the CFTC's ability to enforce uniform rules across platforms and creates compliance burdens that favor established centralized operators over decentralized alternatives.
  • 3## Current Regulatory Pressure Kalshi and Polymarket, the two largest U.
  • 4S.
  • 5prediction market platforms, have faced repeated CFTC enforcement actions and subpoenas over the past 18 months.

The Filing

Andreessen Horowitz submitted a statement supporting the CFTC's authority to regulate prediction markets at the federal level and opposing state bans that fragment the market. The filing argues that a patchwork of state restrictions undermines the CFTC's ability to enforce uniform rules across platforms and creates compliance burdens that favor established centralized operators over decentralized alternatives.

Current Regulatory Pressure

Kalshi and Polymarket, the two largest U.S. prediction market platforms, have faced repeated CFTC enforcement actions and subpoenas over the past 18 months. State attorneys general have moved independently to restrict or ban prediction markets within their jurisdictions, creating legal uncertainty for both platforms. Polymarket's use by traders to bet on election outcomes in particular drew congressional attention and raised concerns about market manipulation.

Congressional Action

Separately, Congress has advanced restrictions on members' personal stock and crypto trading. These restrictions are designed to prevent lawmakers from profiting off non-public information or votes they influence. The twin regulatory pressures—federal CFTC jurisdiction disputes and state-level bans—suggest prediction markets will remain a contested regulatory terrain through the coming year.

Why It Matters

For Traders

Traders on Kalshi and Polymarket face ongoing regulatory risk; A16z backing does not guarantee federal preemption will succeed or prevent near-term enforcement actions.

For Investors

A16z's filing signals venture backing for a regulatory fight that could either solidify federal CFTC jurisdiction or accelerate state-level bans, materially affecting platform viability.

For Builders

Teams shipping prediction market infrastructure should prepare for both federal and state compliance scenarios; federal preemption is not yet settled.

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