Ohio Court Rejects Kalshi's Federal Shield, Signaling Deepening Legal Uncertainty for Prediction Markets Nationwide
An Ohio federal judge ruled Monday that Kalshi's sports contracts are gambling under state law, dealing a setback to the platform's strategy of using federal commodities regulation to avoid the need for state licensing.
Chief U.S. District Judge Sarah D. Morrison of the Southern District of Ohio denied Kalshi's request for a preliminary injunction on March 9, 2026. The ruling allows Ohio regulators to continue enforcing state sports-betting laws against the platform while the underlying lawsuit moves forward. Morrison found that the Commodity Exchange Act (CEA), the federal law that governs Kalshi's operations, does not override Ohio's authority to regulate what it considers gambling within its borders.
What Kalshi Argued, and Why It Failed
Kalshi is a prediction market platform, meaning users trade binary contracts on the outcome of real-world events, from election results to sports scores to economic indicators. Kalshi holds Designated Contract Market (DCM) status from the Commodity Futures Trading Commission (CFTC), making it the first exchange ever to receive that designation from the agency. Building on that federal status, Kalshi began offering sports-related event contracts in early 2025, arguing that its DCM designation meant the CFTC had exclusive regulatory authority over its products and that state gambling laws did not apply.
Ohio's Casino Control Commission responded with cease-and-desist letters and warned licensed gaming operators that working with Kalshi, Robinhood, or Crypto.com could cost them their state licenses.
Kalshi's legal argument rested on a constitutional principle called field preemption: because Congress gave the CFTC exclusive authority over designated contract markets, the platform argued states have no jurisdiction over its products. Lead attorney Neal Katyal told courts that "mountains of authority confirm that [the federal law] preempts application of state law."
Judge Morrison was unconvinced. She wrote that history shows no congressional intent to override state sports gambling laws, and invoked what courts call the "absurdity doctrine" to reject the classification of sports wagers as commodity swaps. Swaps, she noted, are "financial instruments and measures that traditionally and directly affect commodity prices."
The final score of a Huskies-Bobcats game is not.
Ohio Attorney General Dave Yost responded in a statement reported by NBC News. "Kalshi argued the federal Commodity Exchange Act preempts enforcement of Ohio law. Nope," he wrote. "These 'prediction markets' have exploded and look an awful lot like gambling. Big win for Ohio."
A Fractured Legal Landscape Across 19 Cases
The Ohio ruling is one piece of a sprawling legal battle. Kalshi is currently named in 19 federal lawsuits. Eight were filed by state gambling commissions and tribal gaming authorities, six were filed by Kalshi itself against state regulators, and five are consumer class-action complaints. The cases span Ohio, Connecticut, Massachusetts, Michigan, New Jersey, New York, Nevada, Utah, Maryland, and Tennessee.
Courts have reached contradictory conclusions. A New Jersey court found federal preemption likely applies, and a Tennessee court classified Kalshi's contracts as swaps, both outcomes favorable to the platform. But courts in Maryland, Massachusetts, and now Ohio have ruled in the opposite direction, finding that state gaming laws survive the federal overlay.
According to NPR's reporting in January 2026, legal analysts and industry observers increasingly view a Supreme Court ruling or a congressional fix as the only path to a definitive answer.
The Numbers Behind the Fight
The stakes are substantial. Kalshi and Polymarket, the two dominant prediction market platforms globally, recorded a combined notional trading volume exceeding $40 billion in 2025, representing roughly 97.5% of the global prediction market sector. Kalshi's own volume grew approximately 1,100% year over year, with sports contracts accounting for around 85% of its total activity. Monthly trades on the platform grew from roughly 196,000 to more than 21 million over the same period.
On-chain prediction market activity is scaling in parallel. As of March 2026, weekly volume across decentralized prediction markets exceeds $2.1 billion across more than 85,000 active markets, according to DApp Radar.
Sports are clearly the engine of growth. That concentration is also the legal pressure point: sports betting is legal in 39 U.S. states and Washington D.C., but operators like FanDuel and DraftKings must meet state licensing requirements that Kalshi contends do not apply to a federally designated exchange.
Polymarket, which had been restricted from U.S. users, obtained regulatory approval and re-entered the U.S. market in late 2025, offering a contrasting regulatory pathway to Kalshi's preemption strategy.
What This Means Outside the United States
The Ohio ruling carries weight beyond U.S. borders, particularly for markets in South Asia and Africa where prediction platforms are gaining traction.
India's regulatory framework under the Promotion and Regulation of Online Gaming Act, 2025 faces the same core definitional question: is a prediction market a financial instrument or a wager? India's patchwork of state gaming laws mirrors the U.S. situation closely, and India's regulators will face the same definitional question squarely as U.S. courts work toward resolution.
Singapore has already moved decisively, with the Gambling Regulatory Authority classifying platforms like Polymarket as unlawful operators effective January 12, 2025.
In Nigeria and Kenya, no formal regulatory guidance on prediction markets currently exists. Both countries have active crypto communities with meaningful Polymarket usage, much of it through VPNs. South Africa, which has the continent's most developed regulatory apparatus, also lacks specific prediction market regulation, though general gambling laws apply and state-licensed operators dominate its market.
The Ohio ruling reinforces that this grey zone is not permanent. Gaming attorney Daniel Wallach put it plainly: "They're engaging in gambling, no matter what they're trying to call it." As an analytical matter, that framing is portable to any jurisdiction where regulators choose to apply it.
For developers building decentralized prediction infrastructure for Global South users (a term referring broadly to emerging economies in Asia, Africa, and Latin America), the ruling delivers a clear signal: courts are examining economic substance rather than legal labels. A "swap" designation does not insulate a platform from gambling enforcement if the product functions as a wager. Practically, this means geo-blocking users from states or jurisdictions with active enforcement actions may become a baseline compliance requirement. Offshore architectures do not automatically resolve the classification problem if the platform's economic function resembles sports betting. Developers building for global markets should also monitor pending appellate proceedings closely, since circuit court rulings will establish binding precedent that shapes enforcement risk across jurisdictions.
What Comes Next
The federal appellate courts will likely determine the outcome for centralized platforms. Rulings from the Ninth Circuit (covering Nevada) or the First Circuit (covering Massachusetts) would establish binding precedent with nationwide implications.
The CFTC's posture remains uncertain, and its current stance reflects a consequential political arc. Under the Biden administration, the agency actively opposed Kalshi in court. After the change in administration, acting chair Caroline Pham dropped the agency's appeal. President Trump then nominated Brian Quintenz, a sitting Kalshi board member, as permanent CFTC chair, a nomination that was later withdrawn under political pressure. Michael Selig subsequently took the role. Under Selig, the agency has signaled it will "reassess" its involvement in pending litigation, suggesting continued federal sympathy for prediction markets. Whether that sympathy translates into legal protection will be decided by judges, not regulators.