Ruling status under review — check Kalshi's official site for access updates.
Robert J. Shelby, U.S. District Judge (D. Utah)
A final federal judgment has since been issued in this case
This page covers the preliminary injunction ruling — a temporary court order. A final judgment has since been entered, which is a more significant legal step. Final judgments end the trial and create binding findings. What the final judgment means →
On August 4, 2026, U.S. District Judge Robert J. Shelby ruled that the federal Commodity Exchange Act does not shield Kalshi from Utah's anti-gambling laws. He granted Governor Spencer Cox and AG Derek Brown summary judgment and denied Kalshi's motion for a preliminary injunction — closing the district court case in Utah's favor.
This is the first final federal judgment rejecting Kalshi's preemption argument. It is more significant than a preliminary injunction ruling: summary judgment means a court found the legal question settled enough that no trial was needed. Kalshi has announced it will appeal to the Tenth Circuit Court of Appeals.
There are two rulings here, and they are different in scope and significance.
Summary judgment for Utah. This is a final ruling at the district court level — the judge concluded there is no genuine legal dispute remaining. Utah wins; the case is closed.
The court also denied Kalshi's preliminary injunction, which would have temporarily blocked Utah enforcement while the case proceeded.
Together, these rulings mean Utah may now enforce its anti-gambling laws against Kalshi's sports event contracts.
This is a district-court ruling. Kalshi has announced it will appeal to the Tenth Circuit Court of Appeals. The appeal could produce a different result — and could delay any enforcement action further.
The ruling does not address whether Kalshi's non-sports prediction markets are subject to Utah law. It focuses narrowly on sports event contracts.
No enforcement action against individual traders has been filed. Kalshi sports contracts remain available in Utah for now.
Kalshi built its legal strategy on a single argument: that because it operates under CFTC oversight, the federal Commodity Exchange Act preempts state gambling law. The court analyzed three forms of preemption and rejected all of them.
Express preemption — rejected
The CEA contains no explicit language preempting state gambling laws for Designated Contract Markets like Kalshi. Section 16(e)(2) confines preemption to certain swaps — not DCM event contracts.
Field preemption — rejected
Shelby found the CEA is not so pervasive that it leaves no room for states to regulate gambling. Congress has historically treated gambling as a state matter — and the Dodd-Frank Act did not change that.
Conflict preemption — rejected
Kalshi argued that complying with Utah law was impossible while also meeting CFTC market-access requirements. The court disagreed, noting that Kalshi already restricts access for certain contracts — so state-by-state compliance is not functionally impossible.
Sports event contracts on Kalshi remain available to Utah users as of the date of this ruling. Kalshi has not implemented a geofence or access restriction for Utah, and no enforcement action against traders has been filed. The Tenth Circuit appeal is the next decision point.
Track the current state-by-state count in our full legal risk tracker.
Utah is the first state to secure a final federal judgment rejecting Kalshi's preemption argument — not just a preliminary injunction ruling. That distinction matters: summary judgment means a court found no genuine legal dispute, not just that Kalshi hadn't met a preliminary threshold.
Tenth Circuit appeal
Kalshi has announced it will appeal to the Tenth Circuit Court of Appeals. The Tenth Circuit covers Utah, Colorado, Kansas, New Mexico, Oklahoma, and Wyoming. A ruling there would be binding across that circuit.
Circuit split potential
The Third Circuit ruled in Kalshi's favor in New Jersey (April 6, 2026). If the Tenth Circuit sides with Utah, two federal circuits will have produced conflicting answers on the same legal question — a classic setup for Supreme Court review.
New York is watching
The New York AG submitted Judge Shelby's decision as supplemental authority within 24 hours of its release — using it to oppose the CFTC's emergency motion in its own Kalshi enforcement case. Utah's district-court win is already rippling into other state proceedings.
Kalshi's Full Legal Risk Picture
Six simultaneous legal challenges — what each one means and which could shut the exchange down
When Prediction Markets Are Banned — Where Do Users Turn?
What geofencing and state bans mean in practice — and what alternatives exist
How Can It Be Federally Legal But State-Restricted?
The federal vs. state preemption question explained — and why Utah is the latest flashpoint
Sixth Circuit Oral Arguments — What the Judges Said
Two judges signaled skepticism of Kalshi's preemption argument — another circuit to watch
