Utah Battles Prediction Markets in New Legal Fight Over Gambling

State aims to limit Kalshi and Polymarket from operating in Utah, setting up clash with federal regulators

Mar. 12, 2026 at 11:18pm

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For over a century, Utah has prohibited gambling within its borders, a stance rooted in the conservative ideals of the Mormon church. Now, the state is fighting a new battle to keep prediction markets like Kalshi and Polymarket, which allow bets on everything from weather to sports, from operating in the state. Utah is seeking to expand its gambling ban to include proposition bets, a key revenue source for these platforms. This has led to a legal showdown, with Kalshi suing the state and federal regulators asserting their authority over these markets.

Why it matters

Utah's crackdown on prediction markets highlights the growing tension between states' rights to regulate gambling and the federal government's oversight of financial markets. The outcome could set a precedent for how other states handle the rise of these new betting platforms, which critics say are targeting young people and blurring the line between finance and gambling.

The details

Utah is seeking to pass legislation that would expand the state's gambling ban to include wagers on certain events happening in a game, rather than just the game's outcome. This would limit prediction markets like Kalshi and Polymarket, which derive significant revenue from 'prop bets' on sports metrics. The state argues these platforms are essentially creating a 'casino in the pocket of every American.' Kalshi has preemptively sued Utah, arguing its product is different from traditional sportsbooks because customers bet against each other, not the 'house.' The Commodity Futures Trading Commission, which regulates financial markets, has asserted it has exclusive oversight of prediction markets and that states cannot ban them.

  • Utah has prohibited gambling since it was admitted to the Union in 1895.
  • In late February 2026, Kalshi sued Utah preemptively, asking a judge to stop the state from enforcing its gambling restrictions on the platform.
  • Utah Governor Spencer Cox plans to sign legislation expanding the state's gambling ban to include proposition bets.

The players

Spencer Cox

The Republican governor of Utah, who views prediction markets as a moral crusade and plans to sign legislation to limit their operations in the state.

Kalshi

An American prediction market platform that allows users to bet on the outcomes of events, from weather to sports. Kalshi has sued Utah to prevent the state from enforcing its gambling restrictions on the platform.

Polymarket

A prediction market platform similar to Kalshi, which allows users to bet on the probability of future events. Polymarket is estimated to be worth $20 billion after its latest fundraising round.

Commodity Futures Trading Commission

The federal agency responsible for regulating financial markets, which has asserted it has exclusive regulatory oversight of prediction markets and that states cannot ban them.

Blake Moore

A Republican U.S. Representative from Utah who has introduced bipartisan legislation to more aggressively regulate prediction markets, including banning bets on war, assassinations, and election outcomes.

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What they’re saying

“We are putting a casino in the pocket of every single American, and they are targeting especially young people. It is really awful what they are doing, and we are going to make sure this doesn't happen in our state.”

— Spencer Cox, Governor of Utah (taylorvilledailynews.com)

“To those who seek to challenge our authority in this space, let me be clear, we will see you in court.”

— Michael Selig, Chairman, Commodity Futures Trading Commission (taylorvilledailynews.com)

“The idea that it goes against a sense of work ethic, a kind of fair exchange, has always been at the heart of the way a lot of people think about themselves in terms of Utah identity, and certainly Latter-day Saint identity and ethics.”

— Patrick Mason, Chair of Mormon History and Culture, Utah State University (taylorvilledailynews.com)

What’s next

A federal judge has yet to rule on Kalshi's request to stop Utah from enforcing its gambling restrictions on the platform. The outcome of this legal battle could set a precedent for how other states handle the rise of prediction markets.

The takeaway

Utah's fight against prediction markets like Kalshi and Polymarket highlights the growing tension between states' rights to regulate gambling and the federal government's oversight of financial markets. The resolution of this clash could shape the future of these new betting platforms and their impact on local communities across the country.