Regulation
SEC backs CFTC in court fight over single-stock perpetual futures
The securities regulator filed an amicus brief defending its sister agency against a lawsuit from an industry group whose members include Cboe and Citadel Securities Wed 11 Nov 2026 · 17:11 EST · 4 min read In Regulation Share Washington’s two market regulators usually argue over turf. This time, one is defending the other in court. The SEC has filed an amicus brief supporting the Commodity Futures Trading Commission, which is being sued over its approval of single-stock perpetual futures. The lawsuit comes from the Capital Markets Alliance Association, an industry group whose members include Cboe and Citadel Securities. The...
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