Arkansas sued Kalshi seeking penalties & a halt to what it calls illegal gambling.
The hit
The United States & the Commodity Futures Trading Commission are suing the State of Arkansas to stop its own enforcement case against Kalshi. The federal complaint says the state’s action against the prediction market intrudes on the CFTC’s exclusive jurisdiction over derivatives.
Why it matters
The fight decides who regulates prediction markets like Kalshi: a federal agency or individual states. The complaint argues that federal law preempts state law as applied to event contracts.
The record
| Arkansas files suit against Kalshi | 4 November 2026, Circuit Court of Independence County |
|---|---|
| US & CFTC file suit against Arkansas | Eastern District of Arkansas |
| Arkansas seeks | civil penalties & recovery of money it says Kalshi unlawfully obtained from Arkansas consumers (Arkansas complaint) |
| Kalshi’s federal status | designated as a CFTC-regulated exchange since 3 November 2020 (CFTC order) |
What happens next
Watch the docket (case 4:26-cv-01255) for an early ruling on injunctive relief, which could pause the state’s Kalshi case.
Sources: USA v. Arkansas, State of – Complaint (CourtListener)
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