Kentucky Faces Lawsuit Over New Prediction Market Tax

Jonathan Rodriguez

Written by: Jonathan Rodriguez

Published: Tue Jun 16, 2026, 8:00 am ET

Read Time: 5 minutes

Kentucky Faces Lawsuit Over New Prediction Market Tax

industry

A coalition of major prediction market operators has launched a legal challenge against Kentucky's newly approved tax framework for prediction market transactions.

The lawsuit marks the latest chapter in the growing dispute between prediction market platforms and state regulators. It also highlights broader questions about federal oversight, state authority, and the future of sports-related event contracts.

The Coalition for Fair Markets, which includes Kalshi, Crypto.com's North American Derivatives Exchange (Nadex), and QCX, the regulated exchange affiliated with Polymarket, filed suit against the Commonwealth of Kentucky. The group seeks to block a new excise tax that lawmakers approved earlier this year.

House Bill 757 is the core tax bill. Section 71 of HB 757 explicitly establishes the 14.25% excise tax on a prediction market operator's transaction fees.

HB 757 became law despite opposition from Governor Andy Beshear. Beshear vetoed the measure, but the Kentucky General Assembly later overrode his veto and enacted the legislation. The same overrule happened to HB 904.

Industry leaders argue that the measure unfairly targets federally regulated exchanges. They also claim the law threatens innovation and market competition across the United States.

The legal battle arrives as tensions continue to rise between prediction markets and state regulators. The dispute centers on sports-related event contracts that resemble products offered by US online sportsbooks.

Coalition Claims Kentucky's Prediction Market Tax Violates Federal Law

The coalition's lawsuit focuses on Kentucky's new 14.25% excise tax on prediction market transaction fees. The tax is scheduled to take effect on Jan. 1, 2027.

According to the complaint, the tax is unconstitutional and conflicts with federal commodities law. The coalition argues that federally regulated derivatives exchanges fall under the authority of the Commodity Futures Trading Commission (CFTC), not individual states.

The companies contend that Kentucky's legislation discriminates against prediction markets while treating other forms of wagering more favorably. They point to the state's lower tax rates on horse racing activities as evidence of unequal treatment.

The lawsuit further argues that Kentucky cannot impose special taxes on transactions conducted through federally regulated exchanges. As a result, the coalition is seeking injunctive relief before the law takes effect.

Industry representatives maintain that the legislation creates an uneven regulatory environment. They also warn that excessive state-level restrictions could discourage participation in regulated markets.

The coalition additionally challenges provisions designed to limit prediction market activity within Kentucky. Those measures were included alongside broader Kentucky gambling reforms aimed at addressing sports event contracts.

Kentucky AG Russell Coleman Vows to Defend State Law

Kentucky Attorney General Russell Coleman quickly pushed back against the lawsuit and pledged to defend the state's actions.

"You can bet our Office will defend these statutes and the people of our Commonwealth from out-of-state companies that seek to cancel Kentucky's sports betting laws," Coleman said via email. "In any courtroom, the attorneys with the AG's Office are the odds-on favorite to win."

Coleman also emphasized Kentucky's long-standing regulatory approach toward gaming and wagering activities.

"Together with the policymakers in the General Assembly and the regulators at the Kentucky Horse Racing and Gaming Commission, we are well-positioned to protect this Commonwealth, just like we've been doing for over a century."

Kentucky has recently pursued additional regulatory initiatives targeting prediction market operators. State officials have sought to prevent licensed gaming operators from conducting business with platforms that offer sports event contracts within Kentucky's borders.

That provision carries a more immediate timeline than the tax itself. The restriction is scheduled to take effect in July 2026, creating urgency for operators seeking court intervention.

Supporters of the measures argue that prediction market contracts function similarly to sports betting products. Therefore, they believe operators should comply with state gaming regulations.

Growing Tension Between Prediction Markets and State Regulators

The Kentucky lawsuit reflects a broader national conflict involving prediction markets and state regulators.

Over the past year, several states have challenged platforms offering sports-related event contracts. Regulators argue that these products closely resemble sports betting. Prediction market operators disagree and maintain that federal law governs their activities.

The disagreement has intensified as companies such as Kalshi, QCX, and Nadex expand offerings tied to sporting events. Meanwhile, state regulators continue to argue that these contracts compete directly with licensed sportsbooks.

The issue has become particularly significant as prediction markets attract greater consumer interest and trading volume.

What Happens Next?

The case will begin in the Franklin Circuit Court, a Kentucky state court where the coalition filed its complaint against the Commonwealth.

Although the lawsuit was filed at the state level, many of its central arguments rely on federal law. The coalition contends that the Commodity Exchange Act and CFTC oversight preempt Kentucky's attempts to regulate and tax federally regulated exchanges.

The coalition expects to seek an injunction targeting both the upcoming July 2026 partnership restrictions and the Jan. 1, 2027 excise tax implementation date.

Kentucky, meanwhile, is preparing to defend both the tax and related restrictions on sports event contracts.

The outcome could have implications far beyond Kentucky. If the state prevails, other jurisdictions may pursue similar taxes and restrictions. However, if the coalition succeeds, prediction market operators could strengthen their position that federal regulators retain primary authority over these markets.

For now, the lawsuit represents one of the most important legal tests facing the prediction market industry. It may also help determine how states and federal regulators share oversight responsibilities in the rapidly evolving sector.

Jonathan Rodriguez
Jonathan Rodriguez

Jonathan is an avid basketball fan, and is often looking forward to the next upcoming NBA season when not checking players' stats during games. He also likes to keep his ears on the ground for the latest rumblings in the online casino industry.

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