CME Challenges CFTC Approval of Kalshi Perpetual Futures

CME Group has sued the U.S. Commodity Futures Trading Commission after the agency allowed Kalshi to list perpetual futures, or “perps.” The core question in the case is whether these contracts should be regulated as futures, as the CFTC allowed, or as swaps, as CME argues.

The fight matters because perps are a major feature of crypto derivatives markets and are now being tested inside the U.S. regulated market structure. If Kalshi’s listings stand, the model could give U.S. traders access to a product category that has historically been more common offshore and in crypto-native venues.

Perpetual futures differ from traditional futures because they do not have a fixed expiration date. That structure has made them popular among crypto traders, but it has also raised questions about leverage, risk controls and which parts of U.S. derivatives law should apply.

CME’s lawsuit frames the issue as a regulatory classification problem. The exchange operator argues that treating Kalshi’s perps as futures lets the products avoid swap rules created after the financial crisis. Kalshi and supporters of the CFTC’s approach have cast the move as a way to bring newer derivatives products into regulated U.S. markets.

For the crypto industry, the case is another sign that once crypto market structure enters mainstream finance, old legal categories become contested. The outcome could influence not only Kalshi’s product ambitions, but also how exchanges, crypto platforms and regulators define the next generation of listed derivatives.