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Kalshi loses appeal, setting up potential Supreme Court case

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Cointelegraph by Michael Millard

September 28, 2026
Kalshi loses appeal, setting up potential Supreme Court case

The 6th Circuit Court of Appeals ruled against Kalshi, affirming that Ohio and Tennessee can regulate its sports-event contracts under state gambling laws. This decision complicates Kalshi's federal jurisdiction argument and aligns with a recent 9th Circuit ruling.

The Legal Battle Over Prediction Markets

The landscape of financial technology and prediction markets has hit a significant legal roadblock following a unanimous decision by the 6th U.S. Circuit Court of Appeals. The court ruled against Kalshi, a platform that facilitates trading on the outcome of future events. By siding with the states of Ohio and Tennessee, the court has effectively affirmed that these states maintain the authority to regulate sports-event contracts under their own existing gambling laws, rather than treating them exclusively as financial derivatives.

The Jurisdictional Conflict

At the heart of this dispute is the classification of Kalshi’s offerings. The company had argued that its contracts constitute “swaps” and should therefore fall under the regulatory purview of the Commodity Futures Trading Commission (CFTC). By seeking federal oversight, Kalshi aimed to bypass the fragmented and often restrictive landscape of individual state gambling regulations. However, the three-judge panel found that Kalshi failed to sufficiently demonstrate that its sports-event contracts meet the legal definition of swaps, thereby keeping the door open for state-level intervention.

Divergent Judicial Views

This ruling is particularly significant because it reflects a growing judicial divide regarding how to categorize emerging digital prediction products. The 6th Circuit’s decision echoes a recent ruling from the 9th Circuit Court of Appeals, which also favored state authority. This creates a mounting challenge for Kalshi, as these rulings contrast with an earlier April decision from the 3rd Circuit Court of Appeals, which had initially been more receptive to the company’s arguments. This split in circuit-level interpretations is a classic precursor to a potential Supreme Court review.

Implications for State Authority

For states like Ohio and Tennessee, this ruling represents a victory for local regulatory sovereignty. By maintaining the right to oversee these contracts under state gambling statutes, these jurisdictions can enforce consumer protection standards and taxation policies that might otherwise be superseded by federal financial regulations. The decision empowers state attorneys general to treat these prediction markets as gambling entities, placing the burden of compliance squarely on the platform providers.

Future Trends and Supreme Court Outlook

As the legal environment becomes increasingly complex, the path forward for Kalshi likely involves an appeal to the U.S. Supreme Court to resolve the circuit split. If the high court chooses to hear the case, it could set a definitive national precedent on whether event-based prediction markets are primarily financial instruments or betting platforms. Until such clarity is provided, the industry faces a period of heightened uncertainty, where operational legality may vary significantly depending on the jurisdiction in which a platform attempts to conduct business.

Conclusion

The 6th Circuit ruling serves as a critical checkpoint in the evolution of prediction markets. By reinforcing the role of state-level gambling laws, the judiciary has signaled that these financial products will face rigorous scrutiny at the local level. As Kalshi prepares for potential further litigation, the industry must grapple with the reality that federal classification as a 'swap' remains a high legal hurdle in the current appellate climate.

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