Sixth Circuit to Hear Prediction Market Arguments July 30 as 44-State Coalition and Tribal Nations Demand CFTC Stand Down

The most consequential court hearing yet on who regulates sports prediction markets in the United States takes place on July 30, 2026, when the U.S. Court of Appeals for the Sixth Circuit in Cincinnati hears combined oral arguments in cases from Ohio and Tennessee. Arrayed against Kalshi and the Trump-era Commodity Futures Trading Commission are a coalition of 40 states plus Washington D.C., 30 federally recognised Indian tribes and 11 tribal associations, and former CFTC and SEC Chairman Gary Gensler, who told the court that Congress never intended federal law to override state gambling rules.

Updated July 2026

What is being argued in the Sixth Circuit on July 30?

The central question in the Sixth Circuit cases is whether the Commodity Exchange Act, as amended by the 2010 Dodd-Frank reforms, preempts state gambling laws for sports event contracts traded on CFTC-registered designated contract markets. Kalshi and the CFTC argue it does, meaning no state may enforce its gambling statutes against a federally licensed prediction market. The states and tribes argue it does not, and that Congress never quietly nationalised gambling regulation in a statute that never mentioned it.

The state coalition, led by Nevada Attorney General Aaron Ford and Utah Attorney General Derek Brown, characterised the preemption claim in its brief as resting on "an unrealistic premise: that, when responding to the 2008 financial crisis, Congress quietly chose to make sweeping changes to this country's gambling laws." Gensler's own filing was equally pointed: "Congress did nothing of the sort."

Which states and tribes filed against CFTC preemption?

Filer	Scale	Principal Argument
State coalition (led by Nevada, Utah)	40 states + D.C.	Dodd-Frank did not preempt state gambling laws
Tribal gaming coalition	30 tribes + 11 tribal associations	Federal preemption threatens tribal gaming sovereignty and economies
New York tribal coalition	Separate intervention	Tribal-State Gaming Compacts would be undermined
Former Chair Gary Gensler	Individual brief	No congressional intent to revise sports betting law in Dodd-Frank

The Indian tribes framed the stakes in existential terms, writing that CFTC regulation of sports event contracts would "undermine decades of federal law" and threaten tribal economies built on gaming compacts negotiated with states under the Indian Gaming Regulatory Act. If states have no authority over prediction markets, those compacts may lose their legal grounding.

How did the Third Circuit rule, and what does that mean for July 30?

In April 2026, a 2-1 Third Circuit panel in KalshiEX LLC v. Flaherty blocked New Jersey from enforcing its gambling laws against Kalshi's sports event contracts, the biggest judicial win to date for prediction market operators. Judge David J. Porter, joined by Chief Judge Michael A. Chagares, held that Kalshi's contracts qualify as "swaps" under the Commodity Exchange Act because they involve payments contingent on event outcomes. Judge Jane R. Roth dissented.

The majority applied both field preemption and conflict preemption, finding that the Commodity Exchange Act occupies the regulatory space for CFTC-registered exchanges and that state enforcement would create an unlawful patchwork. The ruling was preliminary; the merits determination returns to the district court.

If the Sixth Circuit reaches a different conclusion on July 30, a circuit split would be confirmed, accelerating the likelihood of Supreme Court review. Legal analysts expect any Supreme Court hearing to fall no earlier than the October 2027 term.

What are the compliance risks lawyers are warning about now?

Beyond the courtroom, lawyers advising the prediction market sector are pointing to three simultaneous compliance fronts that operators have largely failed to address.

The first is insider trading. A Bloomberg analysis flagged tens of thousands of transactions on major prediction market platforms as potentially constituting insider trading. Braden Perry of Kennyhertz Perry LLC, a former senior trial attorney at the CFTC, stated bluntly: "These platforms now carry billions in monthly volume with no equivalent surveillance infrastructure" to that required on traditional regulated exchanges. That gap creates both regulatory and civil litigation exposure as volumes scale.

The second is influencer marketing. The Wall Street Journal reported that Kalshi paid university-aged influencers to promote its platform without the disclosures required by the Federal Trade Commission. The National Advertising Division has already brought action against an unnamed prediction market operator for paid influencer violations, signalling that advertising regulators have the sector in their sights independently of the gambling debate.

The third is product design. The CFTC's June 2026 proposed rule would bar prediction market contracts involving officiating calls and player injuries. Perry said that restriction "could significantly narrow business models" for platforms that have built their catalogue around granular in-game events rather than simple match outcomes.

Why is political risk now part of the operator risk calculus?

The current CFTC's support for prediction markets is an explicit product of the Trump administration. Under the Trump-appointed chair, the agency "did a complete 180" from its previous scepticism. Linda Goldstein, a partner at CM Law, warned that this position is not a permanent legal protection: "With a change in administration, there could be a change in the CFTC's position."

Congressional pressure is also building independently of the White House. Senator Chris Murphy introduced prediction market legislation in March 2026 addressing market manipulation concerns. That bill has not yet advanced, but its existence reflects bipartisan willingness in Congress to legislate where courts have not yet settled the question.

How large is the prediction market industry and what are operators risking?

Macquarie Equity Research projects prediction market volume reaching $1.5 trillion annually by 2030, with sports contracts accounting for roughly $705 billion of that figure. Sports event contracts currently represent approximately 85 percent of all prediction market volume. Kalshi recorded 87 percent month-over-month growth in June 2026, driven by World Cup contracts, demonstrating the speed at which exposure accumulates.

Perry offered the clearest summary of the strategic risk embedded in that concentration: "A platform that is 80 percent sports volume is not a prediction market. It is a sportsbook with a preemption argument." If the Sixth Circuit or the Supreme Court rejects that argument, platforms heavily concentrated in sports contracts would lose their federal shield overnight.

What steps should prediction market operators take before the July 30 ruling?

Lawyers advising the industry are consistent on four recommended actions. First, engage proactively with the CFTC's rulemaking process on event contracts rather than opposing it, building a record of cooperative engagement before any adversarial proceeding. Second, implement enhanced know-your-customer protocols and transaction monitoring to close the surveillance gap before a regulator or private plaintiff exploits it. Third, establish information-sharing agreements with professional sports leagues to address integrity concerns that courts and Congress are likely to weigh. Fourth, diversify product offerings away from sports contracts to reduce the share of volume that depends entirely on federal preemption holding.

What happens after July 30?

The Sixth Circuit's ruling, expected in the months following the hearing, will determine whether a circuit split materialises. The CFTC must also finalise its proposed event-contract rules after the April 30, 2026 comment period closed, a decision that will shape the regulatory landscape regardless of what the courts decide. Congressional action remains a parallel track, particularly if judicial uncertainty persists into an election year.

The scale of the state and tribal opposition makes clear that the current situation, prediction markets operating under claimed federal preemption while state laws are held at bay by preliminary injunctions, is not a stable long-term arrangement. July 30 is the next critical milestone in determining what comes next.

Frequently Asked Questions: Sixth Circuit Prediction Market Hearing July 2026

When are the Sixth Circuit prediction market oral arguments?

July 30, 2026, in Cincinnati. The combined arguments cover cases from Ohio and Tennessee involving sports prediction market contracts and CFTC preemption of state gambling laws.

How many states oppose CFTC preemption of gambling laws?

A coalition of 40 states plus Washington D.C. filed an amicus brief in the Sixth Circuit opposing CFTC preemption, led by the attorneys general of Nevada and Utah.

Did Gary Gensler file a brief opposing prediction markets?

Yes. Former CFTC and SEC Chair Gary Gensler filed an individual amicus brief arguing that Congress never intended to override state gambling laws when drafting the Dodd-Frank Act.

Why are Indian tribes opposing CFTC jurisdiction over prediction markets?

Tribal nations argue that CFTC preemption of state gambling laws would undermine the Indian Gaming Regulatory Act and Tribal-State Gaming Compacts, threatening the legal and economic foundation of tribal gaming.

What did the Third Circuit decide about prediction markets?

In April 2026, the Third Circuit ruled 2-1 in KalshiEX LLC v. Flaherty that federal law likely preempts New Jersey's gambling statutes as applied to Kalshi's sports contracts, blocking state enforcement. The ruling is preliminary.

What are the main compliance risks for prediction market operators in 2026?

Lawyers identify insider trading exposure (Bloomberg flagged tens of thousands of potentially suspicious transactions), FTC influencer disclosure violations, and CFTC proposed rules that would bar contracts on officiating calls and player injuries as the three most immediate compliance risks.

Related: NFL Tells CFTC Sports Prediction Market Rules Fall Short | Prediction Markets Win Minnesota Court Fight | 365Prediction Eyes 2027 US Launch as Sports Event Contract Race Draws Compliance Warnings

Source: CasinoBeats: Prediction Markets Must Engage With Regulators or Face Legal Heat, Warn Lawyers | Holland and Knight: Third Circuit ruling analysis | SBC Americas: States and Tribes File Against Prediction Markets