Prediction market lawsuit tracker
The cases deciding whether states can regulate CFTC-registered event contracts as gambling, plus tribal suits, user class actions and federal enforcement. Sorted by most recent activity.
| Case | Court | Status | Latest |
|---|---|---|---|
| Utah v. Kalshi (Salt Lake County)Derek Brown v. Kalshi Inc. | Utah Third Judicial District Court, Salt Lake County | Pending | Oct. 20, 2026 |
| Polymarket US v. Ohio (S.D. Ohio)QCX LLC v. Wilson | U.S. District Court for the Southern District of Ohio2:26-cv-01502 | Pending | Oct. 19, 2026 |
| Crypto.com (OG) v. Missouri (W.D. Mo.)North American Derivatives Exchange, Inc. v. Hanaway | U.S. District Court for the Western District of Missouri4:26-cv-00969 | Pending | Oct. 16, 2026 |
| Novig v. Missouri (E.D. Mo.)Ludlow Exchange, LLC v. Hanaway | U.S. District Court for the Eastern District of Missouri4:26-cv-01780 | Pending | Oct. 16, 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.) | Remanded | October 2026 |
| Hughes v. DraftKings, Polymarket and others (South Carolina)Hughes v. DraftKings Inc., et al. | U.S. District Court for the District of South Carolina (removed from the Charleston County Court of Common Pleas)2:26-cv-03838; 2026CP1004063 (Charleston County) | Pending | October 2026 |
| Kalshi v. Maryland (Fourth Circuit)KalshiEX LLC v. Martin | U.S. Court of Appeals for the Fourth Circuit25-1892 | Pending | Oct. 14, 2026 |
| Kentucky v. Polymarket US (enforcement suit)Commonwealth of Kentucky v. QCX LLC | U.S. District Court for the Eastern District of Kentucky (removed from Franklin Circuit Court, No. 26-CI-696)3:26-cv-00047 | Pending | Oct. 14, 2026 |
| Underdog v. Tennessee (M.D. Tenn.)Underdog Exchange DCM, Inc. v. Skrmetti | U.S. District Court for the Middle District of Tennessee3:26-cv-01461 | Pending | Oct. 13, 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. 13, 2026 |
| Robinhood v. Nevada (Supreme Court petition)Robinhood Derivatives, LLC v. Dreitzer | Supreme Court of the United States26-338 | Cert petition pending | Oct. 9, 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. Tennessee (Sixth Circuit)KalshiEX LLC v. Orgel | U.S. Court of Appeals for the Sixth Circuit26-5235 | Decided | Oct. 9, 2026 |
| New Jersey v. Kalshi (Supreme Court petition)Flaherty v. KalshiEX, LLC | Supreme Court of the United States26-299 | Cert petition pending | Oct. 8, 2026 |
| Crypto.com (NADEX) v. Nevada (Supreme Court petition)North American Derivatives Exchange, Inc. v. Nevada | Supreme Court of the United States26-344 | Cert petition pending | Oct. 8, 2026 |
| Seminole Tribe v. DraftKings (Florida prediction markets and Pick6)The Seminole Tribe of Florida v. DraftKings, Inc., et al. | Circuit Court of the Seventeenth Judicial Circuit in and for Broward County, Florida | Pending | Oct. 8, 2026 |
| Coinbase v. Michigan (E.D. Mich.)Coinbase Financial Markets, Inc. v. Nessel | U.S. District Court for the Eastern District of Michigan4:25-cv-14092 | On appeal | Oct. 7, 2026 |
| Coinbase v. Michigan (Sixth Circuit)Coinbase Financial Markets, Inc. v. Nessel | U.S. Court of Appeals for the Sixth Circuit26-1693 | Pending | Oct. 7, 2026 |
| United States v. Van Dyke (Maduro-raid Polymarket trades)United States v. Gannon Ken Van Dyke | U.S. District Court for the Southern District of New York1:26-cr-00156 (26 Cr. 156) | Charged | Oct. 7, 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. 5, 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. 2, 2026 |
| Coinbase v. Illinois (N.D. Ill.)Coinbase Financial Markets, Inc. v. Raoul | U.S. District Court for the Northern District of Illinois1:25-cv-15406 | Injunction granted | Oct. 2, 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. 2, 2026 |
| New York v. Polymarket US (enforcement suit)People of the State of New York v. QCX LLC d/b/a Polymarket US | U.S. District Court for the Southern District of New York (removed from N.Y. Supreme Court, New York County)1:26-cv-08338 | Pending | Sept. 30, 2026 |
| Polymarket US v. New York (S.D.N.Y.)QCX LLC v. James | U.S. District Court for the Southern District of New York1:26-cv-08345 | Pending | Sept. 30, 2026 |
| Michigan v. Kalshi (Ingham County)Nessel v. KalshiEX LLC | Ingham County Circuit Court, Michigan26-1087-CZ | Injunction granted | Sept. 29, 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. 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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. Nevada (Ninth Circuit)KalshiEX, LLC v. Assad | U.S. Court of Appeals for the Ninth Circuit25-7516 | Decided | September 2026 |
| Underdog v. Connecticut (D. Conn.)Underdog Exchange DCM, Inc. v. Tong | U.S. District Court for the District of Connecticut3:26-cv-01499 | Pending | Sept. 15, 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 |
| 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 |
| 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 |
| Crypto.com (NADEX) v. Nevada (Ninth Circuit)North American Derivatives Exchange, Inc. v. State of Nevada | U.S. Court of Appeals for the Ninth Circuit25-7187 | Decided | Sept. 11, 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 |
| Robinhood v. Nevada (Ninth Circuit)Robinhood Derivatives, LLC v. Dreitzer | U.S. Court of Appeals for the Ninth Circuit25-7831 | Decided | Sept. 10, 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 |
| Robinhood v. Michigan (W.D. Mich.)Robinhood Derivatives, LLC v. Nessel | U.S. District Court for the Western District of Michigan1:26-cv-00730 | On appeal | Sept. 9, 2026 |
| Robinhood v. Michigan (Sixth Circuit)Robinhood Derivatives, LLC v. Nessel | U.S. Court of Appeals for the Sixth Circuit26-1542 | Pending | Sept. 9, 2026 |
| Underdog v. Ohio (N.D. Ohio)Underdog Exchange DCM, Inc. v. Wilson | U.S. District Court for the Northern District of Ohio1:26-cv-02169 | Pending | Sept. 8, 2026 |
| Underdog v. Washington (W.D. Wash.)Underdog Exchange DCM, Inc. v. Brown | U.S. District Court for the Western District of Washington2:26-cv-03200 | 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 | Sept. 8, 2026 |
| Underdog v. Massachusetts (D. Mass.)Underdog Exchange DCM, Inc. v. Campbell | U.S. District Court for the District of Massachusetts1:26-cv-14098 | Pending | Sept. 8, 2026 |
| Underdog v. Wisconsin (W.D. Wis.)Underdog Exchange DCM, Inc. v. Kaul | U.S. District Court for the Western District of Wisconsin3:26-cv-00858 | Pending | Sept. 8, 2026 |
| Kalshi v. Utah (Tenth Circuit)KalshiEx v. Cox | U.S. Court of Appeals for the Tenth Circuit26-4100 | Pending | Sept. 8, 2026 |
| Underdog v. New Mexico (D.N.M.)Underdog Exchange DCM, Inc. v. Torrez | U.S. District Court for the District of New Mexico1:26-cv-02935 | Pending | Sept. 8, 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 |
| 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 |
| Kalshi v. Connecticut (Second Circuit)KalshiEX LLC v. Cafferelli | U.S. Court of Appeals for the Second Circuit26-2239 | Pending | Sept. 3, 2026 |
| Coinbase v. Connecticut (Second Circuit)Coinbase Financial Markets, Inc. v. Tong | U.S. Court of Appeals for the Second Circuit26-2297 | Pending | Sept. 3, 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 |
| Novig v. New Mexico (D.N.M.)Ludlow Exchange, LLC v. Torrez | U.S. District Court for the District of New Mexico1:26-cv-02576 | Pending | Sept. 2, 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 |
| 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 |
| 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 |
| Gemini consumer class action (Warga v. Winklevoss)Warga v. Winklevoss, et al. | Eighth Judicial District Court, Clark County, NevadaA-26-944755-C | Pending | Aug. 28, 2026 |
| 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 |
| 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 |
| 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 |
| Coinbase v. Connecticut (D. Conn.)Coinbase Financial Markets, Inc. v. Tong | U.S. District Court for the District of Connecticut3:25-cv-02121 | On appeal | Aug. 17, 2026 |
| 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 |
| 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 | August 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 |
| Novig v. Wisconsin (W.D. Wis.)Ludlow Exchange LLC v. Kaul | U.S. District Court for the Western District of Wisconsin3:26-cv-00761 | Pending | Aug. 14, 2026 |
| Polymarket US v. New Mexico (D.N.M.)QCX LLC v. Torrez | U.S. District Court for the District of New Mexico1:26-cv-02100 | Pending | Aug. 14, 2026 |
| Crypto.com (NADEX) v. New York (S.D.N.Y.)North American Derivatives Exchange, Inc. v. James | U.S. District Court for the Southern District of New York1:26-cv-04980 | Pending | Aug. 10, 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 |
| CFTC v. Van Dyke (civil insider-trading suit over Maduro-raid trades)Commodity Futures Trading Commission v. Gannon Ken Van Dyke | U.S. District Court for the Southern District of New York1:26-cv-03369 | Pending | Aug. 10, 2026 |
| Novig v. Washington (W.D. Wash.)Ludlow Exchange, LLC v. Brown | U.S. District Court for the Western District of Washington3:26-cv-05888 | Pending | Aug. 6, 2026 |
| Novig v. Massachusetts (D. Mass.)Ludlow Exchange, LLC v. Campbell | U.S. District Court for the District of Massachusetts1:26-cv-13615 | Pending | Aug. 6, 2026 |
| Novig v. New York (S.D.N.Y.)Ludlow Exchange, LLC v. James | U.S. District Court for the Southern District of New York1:26-cv-06676 | Pending | Aug. 5, 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. 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 |
| 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 |
| 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 |
| 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 |
| 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. Minnesota (D. Minn.)KalshiEX LLC v. Ellison | U.S. District Court for the District of Minnesota0:26-cv-02778 | Injunction granted | July 27, 2026 |
| Polymarket US v. Minnesota (D. Minn.)QCX LLC v. Ellison | U.S. District Court for the District of Minnesota0:26-cv-02841 | Injunction granted | July 27, 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 |
| 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 |
| Crypto.com (NADEX) v. Washington (W.D. Wash.)North American Derivatives Exchange, Inc. v. Brown | U.S. District Court for the Western District of Washington2:26-cv-02579 | Pending | July 22, 2026 |
| Polymarket US v. Michigan (Sixth Circuit)QCX, LLC v. Nessel | U.S. Court of Appeals for the Sixth Circuit26-1552 | Pending | June 26, 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 |
| 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 |
| Polymarket US v. Michigan (W.D. Mich.)QCX, LLC v. Nessel | U.S. District Court for the Western District of Michigan1:26-cv-00710 | Injunction denied | June 17, 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 |
| Wisconsin v. Crypto.com (enforcement suit)State of Wisconsin v. Foris Dax Markets, Inc. | U.S. District Court for the Western District of Wisconsin (removed from Dane County Circuit Court, No. 2026CV001286)3:26-cv-00381 | Pending | June 12, 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 |
| Wisconsin v. Polymarket (enforcement suit)State of Wisconsin v. QCX, LLC | U.S. District Court for the Western District of Wisconsin (removed from Dane County Circuit Court, No. 2026CV001285)3:26-cv-00375 | Pending | June 11, 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 |
| New York v. Coinbase (enforcement suit)People of the State of New York, by Letitia James v. Coinbase Financial Markets, Inc. | U.S. District Court for the Southern District of New York (removed from N.Y. Supreme Court, Index No. 451604/2026)1:26-cv-03300 | Pending | June 8, 2026 |
| New York v. Gemini (enforcement suit)People of the State of New York, by Letitia James v. Gemini Titan, LLC | U.S. District Court for the Southern District of New York (removed from N.Y. Supreme Court, New York County, Index No. 451603/2026)1:26-cv-03318 | Pending | June 8, 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 |
| 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 |
| Nevada v. Polymarket (Carson City)State of Nevada ex rel. Nevada Gaming Control Board v. Blockratize, Inc. | Nevada district court, Carson City (First Judicial District) | Injunction granted | May 29, 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 |
| United States v. Spagnuolo (Google search-data Polymarket trades)United States v. Michele Spagnuolo | U.S. District Court for the Southern District of New York | Charged | May 27, 2026 |
| CFTC v. Spagnuolo (civil insider-trading suit)Commodity Futures Trading Commission v. Michele Spagnuolo | U.S. District Court for the Southern District of New York1:26-cv-04419 | Pending | May 27, 2026 |
| Robinhood v. Washington (W.D. Wash.)Robinhood Derivatives LLC v. Griffin | U.S. District Court for the Western District of Washington3:26-cv-05311 | Pending | May 21, 2026 |
| Arizona criminal case against KalshiState of Arizona v. Kalshi (criminal prosecution) | Arizona state court (not identified in sources reviewed) | Charged | May 5, 2026 |
| Massachusetts v. Kalshi (Suffolk Superior Court)Commonwealth of Massachusetts v. KalshiEX LLC | Massachusetts Superior Court, Suffolk County2584CV02525 | On appeal | May 4, 2026 |
| Massachusetts v. Kalshi (Supreme Judicial Court)Commonwealth of Massachusetts v. KalshiEx LLC | Massachusetts Supreme Judicial CourtSJC-13906 | Pending | May 4, 2026 |
| Robinhood v. Massachusetts (First Circuit)Robinhood Derivatives, LLC v. Campbell | U.S. Court of Appeals for the First Circuit26-1257 | Pending | April 13, 2026 |
| 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 |
| Nevada v. Polymarket remand appeal (Ninth Circuit)State of Nevada v. Blockratize, Inc. | U.S. Court of Appeals for the Ninth Circuit26-1343 | Pending | March 30, 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 |
| Nevada v. Coinbase (Carson City)Nevada Gaming Control Board v. Coinbase Financial Markets, Inc. | First Judicial District Court of Nevada, Carson City26 OC 00030 1B | Injunction granted | March 2026 |
| Robinhood v. Massachusetts (D. Mass.)Robinhood Derivatives, LLC v. Campbell | U.S. District Court for the District of Massachusetts1:25-cv-12578 | Dismissed | March 13, 2026 |
| Polymarket US v. Massachusetts (D. Mass.)QCX LLC v. Campbell | U.S. District Court for the District of Massachusetts1:26-cv-10651 | Pending | March 5, 2026 |
| 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 |
| Coinbase v. Nevada (D. Nev.)Coinbase Financial Markets, Inc. v. Ford | U.S. District Court for the District of Nevada2:26-cv-00256 | Dismissed | Feb. 7, 2026 |
| Robinhood v. Nevada (D. Nev.)Robinhood Derivatives, LLC v. Dreitzer | U.S. District Court for the District of Nevada2:25-cv-01541 | On appeal | Dec. 12, 2025 |
| Crypto.com (NADEX) v. Nevada (D. Nev.)North American Derivatives Exchange, Inc. v. State of Nevada ex rel. Nevada Gaming Control Board | U.S. District Court for the District of Nevada2:25-cv-00978 | Injunction denied | Nov. 14, 2025 |
| 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 |
| 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 |
| Robinhood v. New Jersey (D.N.J.)Robinhood Derivatives, LLC v. Flaherty | U.S. District Court for the District of New Jersey1:25-cv-14723 | Injunction granted | Aug. 22, 2025 |
| 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. 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 |
| 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 |
| Crypto.com (NADEX) v. Maryland (D. Md.)North American Derivatives Exchange, Inc. v. Martin | U.S. District Court for the District of Maryland1:25-cv-01285 | Pending | April 21, 2025 |
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