Lawsuits · Records checked Nov. 7, 2026
Kalshi lawsuits
Every case we track that names Kalshi, grouped by who is suing whom, with each case's status and latest filing.
- 74cases naming Kalshi
- 65still active
- 28states involved
- 22brought by states or tribes
74 cases name Kalshi: 27 suits Kalshi or its exchange brought against state officials, 22 cases brought by states or tribes against it (2 of them criminal charges) and 11 private or class actions.
Newest: Arkansas v. Kalshi (Independence County), filed Nov. 4, 2026.
Operator v. state (27)
| Case | Court | Status | Latest |
|---|---|---|---|
| Kalshi v. Missouri (E.D. Mo.)KalshiEX LLC v. Hanaway | U.S. District Court for the Eastern District of Missouri4:26-cv-01860 | Pending | Oct. 27, 2026 |
| Kalshi v. Louisiana (W.D. La.)KalshiEX LLC v. Murrill | U.S. District Court for the Western District of Louisiana1:26-cv-04476 | Pending | Oct. 23, 2026 |
| Kalshi v. Iowa (Eighth Circuit)KalshiEX, LLC v. Bird | U.S. Court of Appeals for the Eighth Circuit26-2874 | Pending | Sept. 17, 2026 |
| Kalshi v. Connecticut (Second Circuit)KalshiEX LLC v. Cafferelli | U.S. Court of Appeals for the Second Circuit26-2239 | Pending | Nov. 3, 2026 |
| Kalshi v. Utah (Tenth Circuit)KalshiEx v. Cox | U.S. Court of Appeals for the Tenth Circuit26-4100 | Pending | Sept. 8, 2026 |
| Kalshi v. New York (Second Circuit)KalshiEX LLC v. Williams | U.S. Court of Appeals for the Second Circuit26-1835 | Pending | Nov. 3, 2026 |
| Arizona's appeal of the federal injunction (Ninth Circuit)Commodity Futures Trading Commission v. Johnson | U.S. Court of Appeals for the Ninth Circuit26-4281 | Pending | Sept. 14, 2026 |
| Kalshi v. Illinois (N.D. Ill.)KalshiEX LLC v. Raoul | U.S. District Court for the Northern District of Illinois1:26-cv-07363 | Injunction granted | Oct. 30, 2026 |
| Kalshi v. Minnesota (D. Minn.)KalshiEX LLC v. Ellison | U.S. District Court for the District of Minnesota0:26-cv-02778 | Injunction granted | July 27, 2026 |
| Kalshi v. Rhode Island (D.R.I.)KalshiEx LLC v. Furcolo | U.S. District Court for the District of Rhode Island1:26-cv-00327 | Pending | Aug. 3, 2026 |
| Kalshi v. Arizona (Ninth Circuit, Kalshi's appeal)KalshiEX, LLC v. Johnson | U.S. Court of Appeals for the Ninth Circuit26-2978 | Pending | June 4, 2026 |
| Kalshi v. Montana (D. Mont.)KalshiEX LLC v. Knudsen | U.S. District Court for the District of Montana6:26-cv-00028 | Dismissed | Sept. 21, 2026 |
| Kalshi v. Tennessee (Sixth Circuit)KalshiEX LLC v. Orgel | U.S. Court of Appeals for the Sixth Circuit26-5235 | Decided | Oct. 9, 2026 |
| Kalshi v. Arizona (D. Ariz., consolidated with U.S. v. Arizona)KalshiEX LLC v. Johnson | U.S. District Court for the District of Arizona2:26-cv-01715 | On appeal | Sept. 4, 2026 |
| Kalshi v. Ohio (Sixth Circuit)KalshiEX LLC v. Schuler | U.S. Court of Appeals for the Sixth Circuit26-3196 | Decided | Oct. 9, 2026 |
| Kalshi v. Iowa (S.D. Iowa)KalshiEX LLC v. Bird | U.S. District Court for the Southern District of Iowa4:26-cv-00109 | Injunction denied | Sept. 15, 2026 |
| Kalshi v. Utah (D. Utah)KalshiEx LLC v. Cox | U.S. District Court for the District of Utah2:26-cv-00151 | On appeal | Aug. 5, 2026 |
| Kalshi v. Tennessee (M.D. Tenn.)KalshiEX LLC v. Orgel | U.S. District Court for the Middle District of Tennessee3:26-cv-00034 | On appeal | Sept. 25, 2026 |
| Kalshi v. Connecticut (D. Conn.)KalshiEX LLC v. Cafferelli | U.S. District Court for the District of Connecticut3:25-cv-02016 | Injunction denied | Aug. 15, 2026 |
| Kalshi v. Nevada (Ninth Circuit)KalshiEX, LLC v. Assad | U.S. Court of Appeals for the Ninth Circuit25-7516 | Decided | Nov. 4, 2026 |
| Kalshi v. New York (S.D.N.Y.)KalshiEX LLC v. Williams | U.S. District Court for the Southern District of New York1:25-cv-08846 | Injunction denied | July 27, 2026 |
| Kalshi v. Ohio (S.D. Ohio)KalshiEX LLC v. Schuler | U.S. District Court for the Southern District of Ohio2:25-cv-01165 | Injunction denied | Sept. 25, 2026 |
| Kalshi v. Maryland (Fourth Circuit)KalshiEX LLC v. Martin | U.S. Court of Appeals for the Fourth Circuit25-1892 | Pending | Oct. 14, 2026 |
| Kalshi v. New Jersey (Third Circuit)KalshiEX, LLC v. Flaherty | U.S. Court of Appeals for the Third Circuit25-1922 | Decided | Sept. 2, 2026 |
| Kalshi v. Maryland (D. Md.)KalshiEX LLC v. Martin | U.S. District Court for the District of Maryland1:25-cv-01283 | Injunction denied | Aug. 13, 2025 |
| Kalshi v. New Jersey (D.N.J.)KalshiEX, LLC v. Flaherty | U.S. District Court for the District of New Jersey1:25-cv-02152 | Injunction granted | April 6, 2026 |
| Kalshi v. Nevada (D. Nev.)KalshiEX, LLC v. Hendrick | U.S. District Court for the District of Nevada2:25-cv-00575 | On appeal | Aug. 28, 2026 |
State v. operator (19)
| Case | Court | Status | Latest |
|---|---|---|---|
| Arkansas v. Kalshi (Independence County)State of Arkansas v. KalshiEX LLC | Arkansas Circuit Court, Independence County32CV-26-717 | Pending | Nov. 5, 2026 |
| N.Y. Gaming Commission v. Kalshi (subpoenas)New York State Gaming Commission v. Kalshi, Inc. | New York State Supreme Court, New York County | Pending | Oct. 29, 2026 |
| Utah v. Kalshi (Salt Lake County)Derek Brown v. Kalshi Inc. | Utah Third Judicial District Court, Salt Lake CountyUtah Third District Court No. 260908356 | Pending | Oct. 29, 2026 |
| Utah criminal case against KalshiState of Utah v. Kalshi (criminal prosecution) | Utah Third Judicial District Court, Salt Lake CountyNo. 261912852 | Charged | Oct. 30, 2026 |
| New York v. Kalshi (enforcement suit)People of the State of New York, by Letitia James v. KalshiEX LLC | U.S. District Court for the Southern District of New York (removed from N.Y. Supreme Court, New York County)1:26-cv-06550 | Pending | Oct. 30, 2026 |
| Michigan v. Kalshi remand appeal (Sixth Circuit)Nessel v. KalshiEX LLC | U.S. Court of Appeals for the Sixth Circuit26-1639 | Pending | Sept. 25, 2026 |
| New Mexico v. Kalshi (enforcement suit)State of New Mexico v. KalshiEX LLC | New Mexico state court (not identified in sources reviewed) | Pending | June 12, 2026 |
| Rhode Island v. Kalshi and Polymarket US (enforcement suit)The State of Rhode Island v. KalshiEX LLC | U.S. District Court for the District of Rhode Island (removed from Providence County Superior Court, PC-2026-02753)1:26-cv-00333 | Pending | Aug. 3, 2026 |
| Washington v. Kalshi remand appeal (Ninth Circuit)State of Washington v. KalshiEX, LLC | U.S. Court of Appeals for the Ninth Circuit26-3106 | Pending | June 1, 2026 |
| Wisconsin v. Kalshi, Robinhood and Coinbase (enforcement suit)State of Wisconsin v. Kalshi, Inc. | U.S. District Court for the Western District of Wisconsin (removed from Dane County Circuit Court, No. 26-CV-1284)3:26-cv-00378 | Pending | June 9, 2026 |
| Washington v. Kalshi (King County)State of Washington v. KalshiEX LLC | King County Superior Court, Washington26-2-10264-3 SEA | Injunction granted | Aug. 20, 2026 |
| Michigan v. Kalshi (Ingham County)Nessel v. KalshiEX LLC | Ingham County Circuit Court, Michigan26-1087-CZ | Injunction granted | Sept. 29, 2026 |
| Massachusetts v. Kalshi (Supreme Judicial Court)Commonwealth of Massachusetts v. KalshiEx LLC | Massachusetts Supreme Judicial CourtSJC-13906 | Pending | May 4, 2026 |
| Arizona criminal case against KalshiState of Arizona v. Kalshi (criminal prosecution) | Arizona state court (not identified in sources reviewed) | Charged | May 5, 2026 |
| Nevada v. Kalshi remand appeal (Ninth Circuit)State of Nevada v. KalshiEX, LLC | U.S. Court of Appeals for the Ninth Circuit26-1304 | Pending | June 15, 2026 |
| Massachusetts v. Kalshi (Suffolk Superior Court)Commonwealth of Massachusetts v. KalshiEX LLC | Massachusetts Superior Court, Suffolk County2584CV02525 | On appeal | May 4, 2026 |
| Nevada v. Kalshi (Carson City)State of Nevada ex rel. Nevada Gaming Control Board v. KalshiEX, LLC | First Judicial District Court of Nevada, Carson City260000050-1B | Injunction granted | July 24, 2026 |
| Connecticut v. Kalshi (enforcement suit)State of Connecticut v. KalshiEX LLC | U.S. District Court for the District of Connecticut (removed from Connecticut Superior Court, Hartford, HHD-CV26-6230345-S)3:26-cv-01382 | Pending | Aug. 26, 2026 |
| Kentucky v. Kalshi, Robinhood, Coinbase and Webull (enforcement suit)Commonwealth of Kentucky v. KalshiEX LLC | U.S. District Court for the Eastern District of Kentucky (removed from Franklin Circuit Court, No. 26-CI-689)3:26-cv-00048 | Pending | June 19, 2026 |
Tribe v. operator (3)
| Case | Court | Status | Latest |
|---|---|---|---|
| New Mexico tribe and pueblos v. KalshiMescalero Apache Tribe, et al. v. Kalshi, Inc., et al. | U.S. District Court for the District of New Mexico2:26-cv-01517 (filed as 1:26-cv-01517) | Pending | Sept. 4, 2026 |
| Ho-Chunk Nation v. KalshiHo-Chunk Nation v. Kalshi Inc., et al. | U.S. District Court for the Western District of Wisconsin3:25-cv-00698 (W.D. Wis.); 26-8020 (7th Cir., petition for permission to appeal) | Injunction denied | Sept. 21, 2026 |
| California tribes v. Kalshi and RobinhoodBlue Lake Rancheria, et al. v. Kalshi, Inc., et al. | U.S. District Court for the Northern District of California (on remand from the U.S. Court of Appeals for the Ninth Circuit)3:25-cv-06162-JSC (N.D. Cal.); 25-7504 (9th Cir.) | Injunction granted | Nov. 4, 2026 |
United States v. state (9)
| Case | Court | Status | Latest |
|---|---|---|---|
| United States & CFTC v. Wisconsin (Seventh Circuit)USA v. State of Wisconsin | U.S. Court of Appeals for the Seventh Circuit26-2636; 26-2675; 26-2696 | Pending | Aug. 17, 2026 |
| United States & CFTC v. Kentucky (E.D. Ky.)United States v. Commonwealth of Kentucky | U.S. District Court for the Eastern District of Kentucky3:26-cv-00049 | Pending | Oct. 26, 2026 |
| United States & CFTC v. New Mexico (D.N.M.)United States v. State of New Mexico | U.S. District Court for the District of New Mexico1:26-cv-01912 | Pending | Aug. 10, 2026 |
| United States & CFTC v. Minnesota (D. Minn.)United States v. State of Minnesota | U.S. District Court for the District of Minnesota0:26-cv-02661 | Injunction granted | July 27, 2026 |
| United States & CFTC v. Wisconsin (E.D. Wis.)United States v. State of Wisconsin | U.S. District Court for the Eastern District of Wisconsin2:26-cv-00749 | On appeal | July 28, 2026 |
| United States & CFTC v. New York (S.D.N.Y.)United States v. State of New York | U.S. District Court for the Southern District of New York1:26-cv-03404 | Pending | Oct. 23, 2026 |
| United States & CFTC v. Arizona (D. Ariz.)United States v. State of Arizona | U.S. District Court for the District of Arizona2:26-cv-02246 | Injunction granted | Sept. 14, 2026 |
| United States & CFTC v. Connecticut (D. Conn.)United States v. State of Connecticut | U.S. District Court for the District of Connecticut3:26-cv-00498 | Pending | Sept. 11, 2026 |
| United States & CFTC v. Illinois (N.D. Ill.)United States v. State of Illinois | U.S. District Court for the Northern District of Illinois1:26-cv-03659 | Injunction granted | Oct. 30, 2026 |
Supreme Court (1)
| Case | Court | Status | Latest |
|---|---|---|---|
| New Jersey v. Kalshi (Supreme Court petition)Flaherty v. KalshiEX, LLC | Supreme Court of the United States26-299 | Cert petition pending | Oct. 30, 2026 |
Operator v. federal government (2)
| Case | Court | Status | Latest |
|---|---|---|---|
| Kalshi v. CFTC (election contracts, D.C. Circuit)KalshiEX LLC v. Commodity Futures Trading Commission | U.S. Court of Appeals for the District of Columbia Circuit24-5205 | Dismissed | May 7, 2025 |
| Kalshi v. CFTC (election contracts, D.D.C.)KalshiEX LLC v. Commodity Futures Trading Commission | U.S. District Court for the District of Columbia1:23-cv-03257 | Decided | May 7, 2025 |
Federal enforcement (2)
| Case | Court | Status | Latest |
|---|---|---|---|
| CFTC settlement with Gabriel Perez (presidential mention contracts)In the Matter of Gabriel Perez | Commodity Futures Trading Commission (administrative proceeding)CFTC Docket No. 26-06 | Settled | Aug. 28, 2026 |
| CFTC settlement with George Santos (State of the Union contract)In the Matter of George Anthony Devolder Santos | Commodity Futures Trading Commission (administrative proceeding)CFTC Docket No. 26-05 | Settled | July 31, 2026 |
Class action (2)
| Case | Court | Status | Latest |
|---|---|---|---|
| Kalshi text-message consumer class action (Brown)Brown v. Kalshi Inc. | U.S. District Court for the Western District of Washington2:26-cv-01426 | Pending | Aug. 28, 2026 |
| Consolidated Kalshi sports-contract class action (S.D.N.Y.)Yee v. KalshiEX LLC, et al. (consolidated) | U.S. District Court for the Southern District of New York1:25-cv-08585-JLR (lead); member cases include 1:25-cv-09913 (Pelayo), 1:26-cv-00317 (Hallman), 1:26-cv-01924 (Jennings) | Pending | March 20, 2026 |
Private civil suit (9)
| Case | Court | Status | Latest |
|---|---|---|---|
| Mexican Football Federation v. Kalshi (trademark)Federacion Mexicana De Futbol Asociacion, A.C. v. Kalshi Inc., et al. | U.S. District Court for the Southern District of New York1:26-cv-08259 | Pending | Sept. 23, 2026 |
| Candidate's suit over Kalshi discipline for trading on own race (Moran)Moran v. Kalshi Inc., et al. | U.S. District Court for the Eastern District of Virginia (Alexandria Division)1:26-cv-03008 | Pending | Sept. 10, 2026 |
| Kalshi user suit over Trump-Trudeau contract and withdrawals (Pernas)Pernas v. KalshiEX LLC, et al. | U.S. District Court for the Southern District of New York1:26-cv-07419 | Pending | Aug. 31, 2026 |
| Ohio gambling-loss recovery suit against Kalshi, Robinhood and othersOhio Gambling Recovery LLC v. Kalshi, Inc., et al. | U.S. District Court for the Northern District of Ohio (removed from the Mahoning County Court of Common Pleas)4:25-cv-01573 (consolidated with 4:25-cv-01574); 2025 CV 01517 (Mahoning County) | Pending | Aug. 27, 2025 |
| Kentucky gambling-loss recovery suit against Kalshi, Robinhood and othersKentucky Gambling Recovery LLC v. Kalshi Inc., et al. | Franklin Circuit Court, Kentucky (remanded from the U.S. District Court for the Eastern District of Kentucky)25-CI-00512 (Franklin Cir. Ct.); 3:25-cv-00053 and 3:25-cv-00054 (E.D. Ky., consolidated, lead 3:25-cv-00054) | Remanded | March 3, 2026 |
| South Carolina gambling-loss recovery suit against Kalshi, Robinhood and othersSouth Carolina Gambling Recovery LLC v. Kalshi Inc., et al. | U.S. District Court for the District of South Carolina (removed from the Oconee County Court of Common Pleas)8:25-cv-12859 (consolidated with 8:25-cv-12867-BHH); 2025CP3700563 (Oconee County) | Pending | June 26, 2026 |
| Georgia gambling-loss recovery suit against Kalshi, Robinhood and othersGeorgia Gambling Recovery LLC v. Kalshi Inc., et al. | U.S. District Court for the Middle District of Georgia (removed from the State Court of Muscogee County)4:25-cv-00310 (consolidated with 4:25-cv-00311); SC2025CV001749 (Muscogee County) | Pending | May 28, 2026 |
| Massachusetts gambling-loss recovery suit against Kalshi, Robinhood and othersMassachusetts Gambling Recovery LLC v. Kalshi Inc., et al. | U.S. District Court for the District of Massachusetts (removed from state court)1:25-cv-12705-FDS (consolidated with 1:25-cv-12707) | Pending | May 28, 2026 |
| Illinois gambling-loss recovery suit against Kalshi, Robinhood and othersIllinois Gambling Recovery LLC v. Kalshi Inc., et al. | Circuit Court of Cook County, Illinois (reported remanded from the U.S. District Court for the Northern District of Illinois)2025L007524 (Cook County); 1:25-cv-11374 and 1:25-cv-11394 (N.D. Ill., consolidated) | Remanded | Oct. 22, 2025 |
Questions
- Is Kalshi being sued?
- Yes. 22 cases brought by states or tribes against it (2 of them criminal charges) and 11 private or class actions name Kalshi; 65 of the 74 cases we track are still active. States that have sued it include Arizona, Arkansas, Connecticut, Kentucky, Massachusetts, Michigan, Nevada, New Mexico, New York, Rhode Island, Utah, Washington and Wisconsin.
- How many lawsuits involve Kalshi?
- 74 cases across 28 states: 27 suits Kalshi or its exchange brought against state officials, 22 cases brought by states or tribes against it (2 of them criminal charges) and 11 private or class actions. Some are appeals of the same dispute, each tracked separately.
- What is the newest Kalshi lawsuit?
- Arkansas v. Kalshi (Independence County), filed Nov. 4, 2026. Complaint filed Nov. 4, 2026. No order reported as of Nov. 7, 2026.