2026 Membership Book FINAL

USCA4 Appeal: 25-1892

Doc: 16

Filed: 10/15/2025

Pg: 40 of 97

be regulated by its exclusive governance .” Arizona v. United States , 567 U.S.

387, 399 (2012). State laws are also preempted where they conflict with

federal law, including when compliance with both is an “impossib ility ” or state law stands as an “obstacle” to Congress’ s objectives. Id. (quotations

omitted). Overwhelming evidence demonstrates that Maryland gambling

laws are both field preempted and conflict preempted as applied to Kalshi. A. Maryland’s Gambling Laws Are Field Preempted As Applied To Kalshi. The CEA leaves no room for state regulation of trading on DCMs. “Evidence of pre -emptive purpose is sought in the text and structure of the statute at issue.” CSX Transp., Inc. v. Easterwood , 507 U.S. 658, 664 (1993).

Here, every indicator of Congressional intent confirms that the CEA

preempts the field of regulating trading on DCMs — both by its express text

and by setting out a comprehensive scheme that displaces state regulation. See Crosby , 530 U.S. at 372 n.6 ( “‘ field ’ preemption may fall into any of the

categories of express, implied, or conflict preemption”).

1. “[I]n the first instance,” this Court must “focus on the plain wording of” the CEA. CSX Transp. , 507 U.S. at 664. Section 2(a) grants the CFTC “ exclusive jurisdiction ” over all “transactions involving swaps” or “ future

delivery” contracts that are “traded or executed on a contract market

designated” by the CFTC. 7 U.S.C. § 2(a)(1)(A) (emphasis added). The “plain

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