Kalshi Lawsuits: Litigation Tracker

Summary

Kalshi is a party to 32 cases of the 74 on this tracker, involving 22 states and 1 federal case with no state party.

Restricted (11)

• Blue Lake Rancheria v. Kalshi, Inc.

  No. 3:25-cv-06162 · No. 25-7504

  Reversed in part for the tribes (9th Cir., published); remandedU.S. Court of Appeals for the Ninth CircuitCA

  The Ninth Circuit held the tribes likely to succeed under IGRA (September 16, 2026, published): Kalshi’s sports contracts are class III gaming when entered from tribal land, and the Commodity Exchange Act does not displace IGRA.Checked Sep 22, 2026

• KalshiEX LLC v. Bird

  No. 4:26-cv-00109 · No. 26-2874

  Injunction denied; on appeal (8th Cir.)U.S. District Court, S.D. Iowa (Judge Locher)IA

  Judge Locher denied Kalshi a preliminary injunction (September 8, 2026), finding express preemption unlikely and no irreparable harm; Kalshi appealed to the Eighth Circuit.Checked Sep 22, 2026

• KalshiEX LLC v. Cox

  No. 2:26-cv-00151 · No. 26-4100

  Summary judgment for the state; on appeal (10th Cir.)U.S. District Court, D. Utah (Judge Shelby)UT

  The court granted Utah summary judgment (August 2026), holding the CEA does not preempt the state’s gambling laws; the Tenth Circuit refused an injunction pending appeal on September 8.Checked Sep 22, 2026

• Nessel v. KalshiEX LLC

  No. 26-1087-CZ · No. 1:26-cv-00731 · No. 26-1639

  Preliminary injunction in effectIngham County Circuit Court, 30th Judicial CircuitMI

  Judge Aquilina converted the June TRO into a preliminary injunction on September 1, 2026, barring Kalshi’s sports contracts in Michigan with a $500,000-a-day geolocation penalty and notice to every broker that offers them.Checked Sep 22, 2026

• State of Washington v. KalshiEX LLC

  No. 26-2-10264-3 SEA · No. 2:26-cv-01062 · No. 26-3106

  Amended preliminary injunction in effectKing County Superior Court (Judge John McHale)WA

  An amended preliminary injunction bars sports, elections, politics, entertainment, culture, tech/science and “mentions” contracts in Washington while expressly sparing commodities, climate, economics and finance; Judge McHale denied Kalshi’s motion to reconsider it in September 2026.Checked Sep 22, 2026

• KalshiEX LLC v. Cafferelli

  No. 3:25-cv-02016 · No. 26-2239

  Injunction denied; on appeal (2d Cir.)U.S. District Court for the District of Connecticut (Judge Vernon D. Oliver)CT

  Judge Oliver denied Kalshi a preliminary injunction (August 2026); Kalshi appealed the same day.Checked Sep 22, 2026

• KalshiEX, LLC v. Assad (below: KalshiEX LLC v. Hendrick)

  No. 2:25-cv-00575 · No. 25-7516

  Injunction dissolution affirmed (9th Cir., published); rehearing en banc soughtNinth Circuit; D. Nev. (Judge Gordon) belowNV

  The Ninth Circuit affirmed dissolution of Kalshi’s injunction (August 2026, published), holding its sports event contracts are likely not “swaps” and remanding the election-contract question.Checked Sep 22, 2026

• State of Nevada ex rel. Nevada Gaming Control Board v. KalshiEX LLC

  No. 260000050-1B · No. 2:26-cv-00406 · No. 26-1304

  Geofencing stipulation; state seeks daily penaltiesFirst Judicial District Court of Nevada (Carson City, No. 260000050-1B)NV

  Kalshi stipulated in July 2026 to full geofencing by August 12 or about $120,000 a day; in August the Control Board told the court it missed the deadline and asked for the penalty, which Kalshi disputes.Checked Sep 22, 2026

• KalshiEX LLC v. Williams

  No. 1:25-cv-08846 · No. 26-1835

  Injunction denied; on appeal (2d Cir.)S.D.N.Y. (Judge Analisa Torres, 1:25-cv-08846)NY

  Preliminary injunction denied (July 2026); CEA held not to preempt New York gambling law.Checked Sep 22, 2026

• Commonwealth of Massachusetts v. KalshiEX LLC

  No. 2584CV02525 · No. 2026-P-244 · No. SJC-13906

  Injunction granted (stayed pending SJC review)Suffolk County Superior Court; Mass. Supreme Judicial CourtMA

  Preliminary injunction granted (January 2026); Massachusetts SJC took the case on direct review and heard argument in May 2026.Checked Sep 22, 2026

• KalshiEX LLC v. Martin

  No. 1:25-cv-01283 · No. 25-1892

  Injunction denied; on appeal (4th Cir.)U.S. Court of Appeals for the Fourth CircuitMD

  Kalshi’s injunction denied (2025); the Fourth Circuit heard argument in May 2026 and appeared skeptical of Kalshi.Checked Sep 22, 2026

Blocked for Market (6)

• KalshiEX LLC v. Flaherty (cert. sought sub nom. Flaherty v. KalshiEX, LLC)

  No. 1:25-cv-02152 · No. 25-1922 · No. 25A1465 · No. 26-299

  Injunction affirmed; cert petition pending (No. 26-299)U.S. Court of Appeals for the Third CircuitNJ

  New Jersey petitioned for certiorari on September 2, 2026, one day before its twice-extended deadline, asking the Supreme Court to resolve a Third/Ninth Circuit split over whether Dodd-Frank preempts state sports-gambling law.Checked Sep 22, 2026

• KalshiEX LLC v. Knudsen

  No. 6:26-cv-00028

  Dismissed by stipulation (enforcement standstill)U.S. District Court, D. Mont. (Judge Molloy)MT

  Judge Molloy denied Kalshi’s injunction without prejudice (August 27, 2026); the case was dismissed by stipulation on September 21 in exchange for an enforcement standstill tied to the Ninth Circuit’s en banc process in Assad.Checked Sep 22, 2026

• KalshiEX LLC v. Ellison; QCX LLC (Polymarket US) v. Ellison

  No. 0:26-cv-02778 · No. 0:26-cv-02841

  Statute enjoined; not in effectU.S. District Court for the District of Minnesota (Nos. 0:26-cv-02778 and 0:26-cv-02841, consolidated with 0:26-cv-02661; Judge Katherine M. Menendez)MN

  One July 27, 2026 opinion preliminarily enjoined the first statutory ban in all three consolidated cases, on express preemption, and only as to CFTC-registered designated contract markets.Checked Sep 22, 2026

• KalshiEX LLC v. Johnson

  No. 2:26-cv-01715 · No. 26-2978 · No. 26-4281

  Criminal prosecution enjoined on the CFTC’s motion (preliminary injunction)U.S. District Court for the District of Arizona (Judge Michael T. Liburdi)AZ

  Judge Liburdi (D. Ariz.) enjoined Arizona’s criminal prosecution of Kalshi on the United States’ and the CFTC’s motion — a TRO in April 2026, then a preliminary injunction on May 5; Kalshi’s own motion had been denied.Checked Sep 22, 2026

• Connecticut cease-and-desist letters (December 2025)

  Ripened into a state enforcement actionConnecticut Department of Consumer Protection — administrative (Case No. 2025-77)CT

  Connecticut’s consumer-protection regulator ordered Kalshi, Robinhood and Crypto.com to stop offering sports event contracts in the state (December 2, 2025), triggering the platform suits and then the federal preemption suit against Connecticut.Checked Sep 22, 2026

• KalshiEX LLC v. Commodity Futures Trading Commission

  No. 1:23-cv-03257 · No. 24-5205

  Won below; appeal voluntarily dismissed (no appellate ruling)D.C. Circuit; D.D.C. (Judge Cobb) below

  Judge Cobb vacated the CFTC order barring Kalshi’s congressional-control contracts (September 2024); the CFTC voluntarily dismissed its appeal in May 2025, so no appellate court ever ruled.Checked Sep 22, 2026

Pending (15)

• Ho-Chunk Nation v. Kalshi, Inc.

  No. 3:25-cv-00698 · No. 26-8020

  Stayed; interlocutory appeal sought (7th Cir.)U.S. District Court for the Western District of Wisconsin (Judge William M. Conley)WI

  The court certified its IGRA ruling for interlocutory appeal and stayed the case (September 11, 2026); Kalshi petitioned the Seventh Circuit to hear it.Checked Sep 22, 2026

• Mescalero Apache Tribe v. Kalshi, Inc.

  No. 1:26-cv-01517

  PendingU.S. District Court for the District of New Mexico (Judge Margaret I. Strickland)NM

  The tribes’ motion for a preliminary injunction requiring Kalshi to geofence tribal lands, and Kalshi’s motion to dismiss, are fully briefed.Checked Sep 22, 2026

• Missouri Attorney General cease-and-desist letters (September 2026)

  Pre-suit letters; response window runningMissouri Attorney General — pre-suit letters (no court proceeding)MO

  Missouri’s Attorney General told six platforms to stop offering sports event contracts or get licensed and taxed as sportsbooks (letters dated September 16, 2026).Checked Sep 22, 2026

• State of Connecticut v. KalshiEX LLC

  No. HHD-CV26-6230345-S · No. 3:26-cv-01382

  Removed; remand motion pendingU.S. District Court for the District of Connecticut — removed from Hartford Superior Court (No. HHD-CV26-6230345-S)CT

  Connecticut sued Kalshi directly (August 2026), converting its earlier cease-and-desist into an enforcement action.Checked Sep 22, 2026

• KalshiEx LLC v. Furcolo

  No. 1:26-cv-00327

  Pending — argued August 2026, decision pendingU.S. District Court for the District of Rhode Island (Chief Judge Mary S. McElroy)RI

  Kalshi sued Rhode Island (May 2026) one day before the state sued it; the United States and the CFTC intervened in Kalshi’s docket rather than filing separately.Checked Sep 22, 2026

• Mayor and City Council of Baltimore v. Kalshi

  No. C-24-CV-26-005532 · No. 1:26-cv-03217

  Filed — municipal consumer-protection actionCircuit Court for Baltimore CityMD

  Baltimore sued Kalshi and three brokerage distributors under the city’s Consumer Protection Ordinance — the first municipal action of the fight.Checked Sep 22, 2026

• KalshiEX LLC v. Schuler (6th Cir., consolidated with the Tennessee appeal)

  No. 2:25-cv-01165 · No. 3:26-cv-00034 · No. 26-3196 · No. 26-5235

  Argued; decision pendingSixth Circuit (Ohio + Tennessee appeals, consolidated)TNOH

  Tennessee PI granted (February 2026, 2026 WL 474869) / Ohio PI denied (March 2026, 2026 WL 657004); the Sixth Circuit consolidated both and heard argument July 30, 2026 before Judges Clay, Gibbons and Bloomekatz.Checked Sep 22, 2026

• People of the State of New York v. KalshiEX LLC

  No. 1:26-cv-06550

  Removed; remand motion briefed and undecidedS.D.N.Y. (Judge Broderick); commenced in NY County Supreme CourtNY

  The New York AG filed an Executive Law § 63(12) special proceeding against KalshiEX LLC seeking an injunction, restitution, disgorgement, and statutory penalties.Checked Sep 22, 2026

• KalshiEX LLC v. Ohio Casino Control Commission (fine challenge)

  Pending — fine contestedFranklin County Court of Common Pleas, Ohio (state)OH

  Ohio’s Casino Control Commission proposed a $5M fine; Kalshi sued in state court to block it (June 2026). The CFTC backed Kalshi; 39 states + D.C. backed Ohio.Checked Sep 22, 2026

• KalshiEX LLC v. Raoul

  No. 1:26-cv-07363

  Pending — injunction fully briefed, undecidedU.S. District Court, N.D. Ill. (Judge Pacold)IL

  Kalshi sued Illinois (June 2026) over SB 3019, challenging both its licensing regime and its prediction-market tax as preempted by the Commodity Exchange Act.Checked Sep 22, 2026

• Kentucky enforcement actions v. Kalshi & others (Franklin Circuit Court)

  No. 26-CI-00689 · No. 26-CI-00696 · No. 3:26-cv-00048

  PendingFranklin Circuit Court (No. 26-CI-00689); removed to E.D. Ky.KY

  Kentucky’s AG sued Kalshi, Polymarket, and distribution partners (June 2026), plus an excise tax; the CFTC then sued the state.Checked Sep 22, 2026

• State of New Mexico v. Kalshi, Inc.

  No. D-101-CV-2026-01567 · No. 6:26-cv-01857

  PendingNew Mexico state district courtNM

  The New Mexico Attorney General sued Kalshi (June 2026).Checked Sep 22, 2026

• CFTC intervention in KalshiEx LLC v. Furcolo (D.R.I.)

  No. 1:26-cv-00327

  PendingU.S. District Court, D.R.I. (intervention; Chief Judge McElroy)RI

  The CFTC moved to intervene in Kalshi’s D.R.I. suit (May 28, 2026), roughly a week after the state’s suit against the platforms — not a standalone filing.Checked Sep 22, 2026

• State of Rhode Island v. KalshiEX LLC

  No. PC-2026-02753 · No. 1:26-cv-00333

  PendingRhode Island state courtRI

  Rhode Island’s AG sued Kalshi and Polymarket US (May 2026); the case is consolidated with Kalshi’s own suit, in which the United States and the CFTC intervened.Checked Sep 22, 2026

• State of Wisconsin v. Kalshi, Inc.

  No. 26-CV-1284 · No. 3:26-cv-00378

  PendingWisconsin state courtWI

  Wisconsin sued Kalshi, Polymarket US and Crypto.com in three parallel actions on April 24, 2026, prompting the federal countersuit against the state.Checked Sep 4, 2026

What Changed

Logged September 24, 2026

• CorrectionAugust 12, 2026

  State of Washington v. KalshiEX LLC

  We dated Washington’s amended preliminary injunction August 13. The order was signed and filed August 12, 2026.

  King County Superior Court — Amended and Updated Order (No. 26-2-10264-3 SEA)

• CorrectionFebruary 17, 2026

  State of Nevada ex rel. Nevada Gaming Control Board v. KalshiEX LLC

  We had the parties reversed. This is the Nevada Gaming Control Board’s enforcement action against Kalshi, filed in Carson City in February 2026 (No. 260000050-1B), not a suit by Kalshi. Kalshi’s own suit against the Board is the federal Assad case.

  Notice of Removal, D. Nev. No. 2:26-cv-00406

• CorrectionSeptember 12, 2024

  KalshiEX LLC v. Commodity Futures Trading Commission

  Two of our docket links pointed to unrelated cases: the District of Columbia link went to a bankruptcy case and the D.C. Circuit link to a South Carolina family-court matter. They now point to Nos. 1:23-cv-03257 and 24-5205. The stay-opinion link was also replaced with the D.C. Circuit’s October 2, 2024 opinion.

  CourtListener — D.D.C. No. 1:23-cv-03257

Logged September 22, 2026

• ScheduleSeptember 22, 2026

  KalshiEX LLC v. Flaherty (cert. sought sub nom. Flaherty v. KalshiEX, LLC)

  New Jersey’s petition, docketed September 8 as No. 26-299, will not reach conference before November: the Court extended Kalshi’s response to November 9, 2026. The first amicus brief, from the National Council of Legislators from Gaming States, was submitted the same day.

  Supreme Court docket No. 26-299

• RulingSeptember 21, 2026

  KalshiEX LLC v. Knudsen

  Kalshi’s Montana case is over: dismissed on a joint stipulation in exchange for Montana’s promise not to enforce until the Ninth Circuit resolves Kalshi’s en banc petition in Assad, then only on thirty days’ notice. We had also missed Judge Molloy’s August 27 denial of the injunction.

  Joint stipulation of dismissal (Doc. 35)

• FilingSeptember 17, 2026

  State of Connecticut v. KalshiEX LLC

  Connecticut moved on September 8 to send its case against Kalshi back to state court, and Judge Oliver froze every other deadline until he decides that. Kalshi’s response is due September 29.

  CourtListener — 3:26-cv-01382