CME Group, the world's largest futures exchange operator, is suing the Commodity Futures Trading Commission over the regulator's approval of perpetual futures, in a rare and direct legal challenge by an exchange against its own regulator. Chief executive Terry Duffy disclosed the planned lawsuit, which CME confirmed in a statement, arguing that perpetual contracts are properly classified as swaps under the Dodd-Frank Act rather than as futures, and that the CFTC's approval put them in the wrong legal category.
The dispute centres on a CFTC decision in late May to let prediction-market platform Kalshi launch a bitcoin perpetual futures contract, the first time the instrument — long popular on offshore crypto venues — has been permitted for US investors through a domestic regulated exchange. Cryptocurrency exchange Coinbase received clearance to offer perpetual crypto futures around the same time. Perpetual futures, or "perps," have no expiration date, letting traders hold positions indefinitely using periodic funding payments instead of rolling contracts, and they can carry leverage as high as 50-to-1. Duffy's argument rests on the statutory distinction: under Dodd-Frank, an arrangement in which two parties exchange payments to one another meets the definition of a swap, which faces different clearing, reporting and venue rules than ordinary futures.
The CFTC has pushed back firmly. A spokesperson said the agency looks forward to addressing the claims and having the "frivolous" lawsuit dismissed, while CFTC Chair Michael Selig has defended the approval, arguing it is time to permit regulated, no-expiry futures contracts and to ensure the product is available but well regulated in the US. Duffy said the challenge has been prepared with CME's board over roughly eight months, and pointed to CME's exclusive licences with benchmark providers, contending that perpetual contracts referencing those benchmarks would have to route through CME regardless of how the legal question is resolved.
The case sits at the intersection of competition and investor protection, and the commercial stakes for exchange operators are considerable. Perpetual contracts are designed to keep positions open, so if they gain traction they can concentrate trading, open interest and the associated clearing fees on whichever venue becomes the default home for them — a direct threat to incumbents whose revenue depends on volume in expiring contracts. Shares of CME and other established exchange operators fell after the CFTC's approval, reflecting investor concern that a regulator-blessed perp market could erode the franchise of traditional futures venues over time.
Duffy has paired the competitive argument with a warning about retail risk, cautioning that the combination of extreme leverage and automatic liquidation models common in the sector poses a danger to retail investors who may not grasp how funding-rate costs erode their positions. The litigation will test whether a novel crypto-derivative can be brought onshore under the futures framework or must instead clear the higher bar set for swaps, a determination that would reshape compliance obligations, market access and the competitive map for every firm seeking to offer perpetual products in the US.
The lawsuit also comes at a moment of leadership transition at CME, with Duffy having announced he will step down next year and be succeeded by company insider Lynne Fitzpatrick. Pursuing a defining regulatory fight in his final stretch frames the case as part of his legacy, and its outcome will fall to his successor to manage. Whether the court treats perpetual futures as swaps or futures will determine not only the trajectory of Kalshi's and Coinbase's offerings but the broader contest between established exchanges and crypto-native venues for the future of US derivatives trading.
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