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Trump Administration Sues Utah Over State's Gambling Ban Affecting Prediction Markets

🔄 Updated 1d ago — new reporting from Ars Technica
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Key points

  • CFTC sued Utah to block enforcement of its gambling ban against Kalshi.
  • Utah had previously sued Kalshi to prohibit its betting activities.
  • CFTC claims federal law preempts state laws for regulated markets.
  • Utah's ban could impact other prediction and sports betting platforms.
  • Utah filed 14 criminal charges against Kalshi, CEO Tarek Mansour, and COO Luana Lopes Lara.
  • Arizona was the first state to file criminal charges against Kalshi, but a federal judge blocked its case.
  • Two federal appeals courts rejected Kalshi's attempts to block state gambling laws in Connecticut, New York, and Nevada.
  • The Arkansas Attorney General filed a lawsuit against Kalshi.
  • Arkansas alleges Kalshi operates an illegal gambling platform by allowing wagers from individuals as young as 18 and failing to comply with state regulations and taxes.
  • Donald Trump Jr. serves as an advisor to Kalshi.

Federal Lawsuit Against Utah

The US Commodity Futures Trading Commission (CFTC), part of the Trump administration, has filed a lawsuit against Utah. This legal action aims to prevent Utah from enforcing its state-level gambling prohibition against Kalshi, a prediction market registered with the CFTC. This marks the tenth state sued by the CFTC over similar issues.

Utah's Stance on Gambling

Utah initiated its own lawsuit against Kalshi last week, seeking a court order to stop Kalshi from offering bets on various events, including sports and politics. Utah Attorney General Derek Brown stated that Kalshi operates an "online casino" in violation of state law, emphasizing Utah's long-standing constitutional and statutory ban on gambling.

Preemption Argument by CFTC

The CFTC asserts that its lawsuit aims to block Utah's efforts to shut down CFTC-registered contract markets using state laws. The commission argues that Congress's decision to federally preempt state law means Utah's actions to restrict CFTC-regulated exchanges are an obstruction.

Potential Broader Implications

If Utah successfully shuts down Kalshi, it could set a precedent affecting other prediction market platforms like Polymarket, and sports betting sites such as DraftKings and FanDuel. Both DraftKings and FanDuel are also registered with the CFTC and offer prediction market products in various states, including those with strict gambling laws.

Updates

🕒 2026-11-05 · new reporting from Ars Technica
  • Two federal appeals courts rejected Kalshi's attempts to block state gambling laws in Connecticut, New York, and Nevada.
  • The Arkansas Attorney General filed a lawsuit against Kalshi.
  • Arkansas alleges Kalshi operates an illegal gambling platform by allowing wagers from individuals as young as 18 and failing to comply with state regulations and taxes.
  • Donald Trump Jr. serves as an advisor to Kalshi.
🕒 2026-10-29 · new reporting from The Verge
  • Utah filed 14 criminal charges against Kalshi, CEO Tarek Mansour, and COO Luana Lopes Lara.
  • Arizona was the first state to file criminal charges against Kalshi, but a federal judge blocked its case.

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How outlets covered it

Two federal appeals courts rejected Kalshi's attempts to block state gambling laws in Connecticut, New York, and Nevada. Separately, the Arkansas Attorney General filed a lawsuit against Kalshi, alleging it operates an illegal gambling platform by allowing wagers from individuals as young as 18 and failing to comply with state regulations and taxes.

Utah has filed 14 criminal charges against prediction market platform Kalshi, its CEO Tarek Mansour, and COO Luana Lopes Lara, including 12 counts of illegally promoting online gambling. This action escalates a nationwide legal conflict against prediction markets, with multiple states pursuing legal action while the CFTC asserts exclusive jurisdiction over these platforms.

The US Commodity Futures Trading Commission (CFTC) has sued Utah to prevent the state from enforcing its gambling ban against Kalshi, a CFTC-registered prediction market. This action challenges Utah's attempt to shut down Kalshi, arguing federal preemption over state law regarding regulated contract markets.