The U.S. Court of Appeals for the Sixth Circuit ruled last week that prediction markets tied to real-world events—including sports outcomes—fall outside the Commodity Futures Trading Commission's prohibition on gaming contracts. The decision conflicts directly with a 2023 D.C. Circuit opinion upholding the CFTC's ban on Kalshi's congressional control contracts. The split creates 90%+ odds that the Supreme Court takes the case in its next term, according to three appellate specialists who spoke on condition their firms not be named.
Kalshi, the New York-based derivatives exchange, has operated political and economic prediction markets since 2021 under a no-action letter. The CFTC sued in 2023 to block its election contracts, arguing they violated the Commodity Exchange Act's carve-out for gaming. The D.C. Circuit sided with the agency. Kalshi immediately refiled in the Sixth, citing its Michigan user base. That court ruled March 18 that prediction markets serve a hedging function—users offset risk tied to political or sporting events—and thus qualify as derivatives, not gambling. The opinion runs 47 pages and quotes the CEA's legislative history 19 times.
Leagues now face regulated event derivatives within 18 months if the Supreme Court affirms. A Kalshi-style exchange could list binary contracts on playoff outcomes, MVP voting, or draft picks. The NBA has quietly modeled the revenue impact: $120M-$180M annually in data licensing if exchanges must use official league stats to settle contracts, according to a slide deck prepared for governors in February. The NFL has done the same. One team president—who requested anonymity because his league has not authorized comment—said his franchise is already in talks with a prediction platform about geo-restricted contracts tied to win totals, structured to comply with state gambling compacts.
The CFTC's concern is not integrity. It is jurisdiction. If Kalshi wins, the agency gains oversight of a market it estimates could reach $14B in annual notional volume by 2027, larger than crude oil options in 1983. That requires hiring 40-60 additional compliance staff and building a surveillance system for non-financial events. The agency requested $420M in its 2026 budget, up 22%, with the increase earmarked for event-contract monitoring. One former CFTC economist, now at a family office that has looked at sports franchises, said the ruling creates a new asset class: the derivative value of a league's official data, separate from media rights or sponsorship.
Leagues have been preparing for this. The NBA updated its data-licensing template in January to include prediction-market use cases. MLB's advanced media unit filed six trademarks in December covering blockchain-based event contracts. One sponsor CMO at a global beer company said his team is modeling how prediction markets affect fan engagement: if users hedge playoff outcomes, do they watch differently? Early survey data from a college conference suggests yes—hedged viewers watch 18% longer per game and are 26% more likely to check scores the next day.
The Supreme Court term begins in October. Oral arguments would likely fall in February or March 2027, with a decision by June. If the Court affirms the Sixth Circuit, the CFTC has 90 days to propose rules for event-contract exchanges. Kalshi has already filed preliminary applications for 12 sports-related derivatives, including NFL playoff outcomes and March Madness brackets. PredictIt, the academic prediction market, filed eight. A draft rule circulating among CFTC commissioners would require exchanges to obtain league consent before listing contracts tied to proprietary events, effectively giving leagues veto power and licensing revenue.
One Big Ten athletic director said his conference has begun informal talks with Kalshi about a pilot program: binary contracts on bowl-game outcomes, restricted to alumni, with 2% of settlement fees flowing back to the conference. The structure mirrors how leagues monetized sports betting post-*Murphy*—data licensing, official partnerships, geo-fenced products. Another AD said his compliance office is already drafting a prediction-market policy for athletes, modeled on the gambling rules: no participation, no inside information, no social-media promotion.
The Sixth Circuit opinion cited the proliferation of state-legal sports betting as evidence that prediction markets serve legitimate hedging purposes. Legal sports betting handles $132B annually in the U.S., up from zero in 2017. Prediction markets on FanDuel or DraftKings currently settle as entertainment, not derivatives, avoiding CFTC oversight. If Kalshi's model wins, that changes. The former CFTC economist said the endgame is a hybrid product: a derivative exchange that looks like a sportsbook, regulated by both the CFTC and state gaming commissions, paying licensing fees to leagues and data fees to official stat providers.
Kalshi's general counsel told *Sportico* the company expects Supreme Court cert within 60 days. The D.C. Circuit's opinion is the older precedent, but the Sixth's is narrower and more deferential to legislative text. Four justices need to vote for review. Given the circuit split and the market size, cert is nearly automatic. The case is technically *CFTC v. Kalshi*, but everyone involved knows it decides whether leagues can monetize the derivative risk of their own outcomes.
Watch for the NBA's spring data-licensing memo to teams. It will outline prediction-market revenue as a line item, not a footnote.