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Operator v. state

KalshiEX, LLC v. Flaherty

U.S. Court of Appeals for the Third Circuit, 25-1922

Decided

Preliminary injunction affirmed 2-1 on April 6, 2026; New Jersey's cert petition (No. 26-299) is pending.

The question

Whether the Commodity Exchange Act preempts New Jersey gambling or sports-wagering law as applied to event contracts listed on a CFTC-designated contract market.

In the first federal appellate ruling on the issue, Judge Porter (joined by Chief Judge Chagares) held Kalshi was likely to show its sports contracts are swaps within the CFTC's exclusive jurisdiction and that field and conflict preemption apply. Judge Roth dissented, stressing the presumption against preemption in a field of traditional state regulation and the CEA's savings clauses. The Ninth and Sixth Circuits later disagreed.

Open question

Resolved

  1. Will the Third Circuit keep Kalshi's injunction against New Jersey in place?

    A divided panel affirmed the preliminary injunction, 2-1. New Jersey has asked the Supreme Court to review it. Third Circuit No. 25-1922. Source: Opinion

    Yes

Docket timeline

  1. New Jersey petitions for certiorari (No. 26-299).

    Source: supremecourt.gov

  2. Panel affirms the preliminary injunction, 2-1 (Porter, J.; Roth, J., dissenting).

    Source: law.justia.com

  3. Oral argument.

    Source: law.justia.com

  4. Appeal docketed.

    Source: dockets.justia.com

Sources

  1. Justia: KalshiEX v. Flaherty, No. 25-1922 (3d Cir. 2026-04-06)
  2. Supreme Court docket No. 26-299
  3. Justia Dockets search listing: party KalshiEX (p. 8)
  4. DeFi Rate prediction market lawsuit tracker (updated 2026-10-20)
  5. Vultax prediction market lawsuit tracker (updated 2026-10-19)
  6. DLA Piper alert: Legal status at odds (Sept. 2026)

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