By Isaac • June 18, 2026 2:23 pm •
CME Group sued the Commodity Futures Trading Commission in federal court in Washington on June 18, 2026.
The Block reported the filing. The fight is over a single product: a regulated bitcoin perpetual futures contract that the CFTC let Kalshi launch in the United States.
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Perpetual futures, or perps, were an offshore product for years. Now they are inside the U.S. regulatory system, and the world’s largest derivatives operator is fighting the path that put them there.
CoinGecko’s June 18 market data ranked Bitcoin first by market capitalization, which keeps this dispute squarely on the largest crypto asset.
#NEW @CMEGroup to sue CFTC over the approval of perpetual futures as soon as tomorrow. Outgoing CEO
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