https://gamblingatlas.org/federal/ Court rulings, filings and federal actions on prediction markets, sports betting and other U.S. gambling law. en-us Mon, 12 Oct 2026 12:00:00 GMT https://gamblingatlas.org/federal/#dispute dispute:2026-10-07:Ohio and 38 other states and D.C. file a Supreme Court amicu Wed, 07 Oct 2026 12:00:00 GMT Ohio and 38 other states and D.C. file a Supreme Court amicus brief urging cert in Flaherty v. KalshiEX, invoking Murphy v. NCAA and calling the circuits "fractured." https://gamblingatlas.org/federal/#case-kalshi-v-new-jersey case:kalshi-v-new-jersey:2026-10-07:Ohio and 38 other states plus the Distri Wed, 07 Oct 2026 12:00:00 GMT Ohio and 38 other states plus the District of Columbia, and other amici including the NFL and 145 tribes, file briefs urging the Court to grant certiorari. https://gamblingatlas.org/federal/#case-cftc-v-illinois case:cftc-v-illinois:2026-10-02:A federal judge (reported as Judge Marth Fri, 02 Oct 2026 12:00:00 GMT A federal judge (reported as Judge Martha Pacold) grants preliminary injunctions to the CFTC and Kalshi against Illinois, finding sports-event contracts likely qualify as swaps and that Illinois law is likely preempted; parties were ordered to submit a proposed injunction by October 29. https://gamblingatlas.org/federal/#dispute dispute:2026-09-25:Sixth Circuit rules against Kalshi in KalshiEX v. Schuler, h Fri, 25 Sep 2026 12:00:00 GMT Sixth Circuit rules against Kalshi in KalshiEX v. Schuler, holding its contracts are unlikely to be "swaps" and that the CEA would not preempt Ohio or Tennessee gambling law even if they were, widening the circuit split. https://gamblingatlas.org/federal/#case-kalshi-v-ohio case:kalshi-v-ohio:2026-09-25:Sixth Circuit (Judge Julia Smith Gibbons Fri, 25 Sep 2026 12:00:00 GMT Sixth Circuit (Judge Julia Smith Gibbons) decides Nos. 26-3196 and 26-5235 together, holding sports-event contracts are not CEA swaps and, regardless, state gambling law is not preempted; affirms denial of Kalshi's requested preliminary injunction against Ohio enforcement; remands for further proceedings. https://gamblingatlas.org/federal/#case-kalshi-v-tennessee case:kalshi-v-tennessee:2026-09-25:Sixth Circuit vacates the Tennessee inju Fri, 25 Sep 2026 12:00:00 GMT Sixth Circuit vacates the Tennessee injunction and remands, holding the sports-event contracts are not swaps and state law is not preempted regardless. https://gamblingatlas.org/federal/#case-kalshi-v-new-jersey case:kalshi-v-new-jersey:2026-09-22:The Clerk extends Kalshi's response dead Tue, 22 Sep 2026 12:00:00 GMT The Clerk extends Kalshi's response deadline on the cert petition to November 9, 2026. https://gamblingatlas.org/federal/#dispute dispute:2026-09-18:FanDuel launches FanDuel Predicts, a prediction-markets app Fri, 18 Sep 2026 12:00:00 GMT FanDuel launches FanDuel Predicts, a prediction-markets app built on a joint-venture exchange with CME Group. https://gamblingatlas.org/federal/#case-kalshi-v-iowa case:kalshi-v-iowa:2026-09-17:Eighth Circuit dockets the appeal as No. Thu, 17 Sep 2026 12:00:00 GMT Eighth Circuit dockets the appeal as No. 26-2874; appellant's brief due November 6, 2026. https://gamblingatlas.org/federal/#case-kalshi-v-montana case:kalshi-v-montana:2026-09-17:Parties file a joint stipulation of dism Thu, 17 Sep 2026 12:00:00 GMT Parties file a joint stipulation of dismissal — with prejudice as to Gambling Control Commission members, without prejudice as to the Attorney General, an official and the Division. https://gamblingatlas.org/federal/#case-california-tribes-v-kalshi case:california-tribes-v-kalshi:2026-09-16:Ninth Circuit reverses in part, holding Wed, 16 Sep 2026 12:00:00 GMT Ninth Circuit reverses in part, holding the tribes are likely to succeed on their claim that Kalshi's sports contracts are unauthorized Class III gaming when accessed from tribal lands, but affirms that Kalshi's ad-legality statement is nonactionable opinion; remands for the district court to weigh the remaining injunction factors. https://gamblingatlas.org/federal/#case-underdog-v-states case:underdog-v-states:2026-09-16:Underdog files a similar suit against Co Wed, 16 Sep 2026 12:00:00 GMT Underdog files a similar suit against Connecticut, asking the court to block AG Tong and the Department of Consumer Protection from exercising state authority over its event contracts. https://gamblingatlas.org/federal/#case-kalshi-v-iowa case:kalshi-v-iowa:2026-09-15:Kalshi files a notice of appeal. Tue, 15 Sep 2026 12:00:00 GMT Kalshi files a notice of appeal. https://gamblingatlas.org/federal/#case-kalshi-v-nevada case:kalshi-v-nevada:2026-09-14:Robinhood Derivatives, LLC — a co-litiga Mon, 14 Sep 2026 12:00:00 GMT Robinhood Derivatives, LLC — a co-litigant in the parallel Nevada dispute — petitions the Supreme Court over the same Ninth Circuit ruling, docketed as No. 26-338. https://gamblingatlas.org/federal/#case-kalshi-v-arizona case:kalshi-v-arizona:2026-09-14:Arizona moves in the Ninth Circuit to va Mon, 14 Sep 2026 12:00:00 GMT Arizona moves in the Ninth Circuit to vacate the Arizona injunction as to sports-event contracts, citing the Ninth Circuit's Nevada ruling; motion pending. https://gamblingatlas.org/federal/#case-kalshi-v-nevada case:kalshi-v-nevada:2026-09-10:Kalshi petitions the Ninth Circuit for e Thu, 10 Sep 2026 12:00:00 GMT Kalshi petitions the Ninth Circuit for en banc rehearing of the panel's ruling. https://gamblingatlas.org/federal/#dispute dispute:2026-09-08:Tenth Circuit denies Kalshi's bid for an injunction pending Tue, 08 Sep 2026 12:00:00 GMT Tenth Circuit denies Kalshi's bid for an injunction pending appeal against Utah the same day a federal judge in Iowa denies a similar request, each finding the sports contracts unlikely to be "swaps." https://gamblingatlas.org/federal/#dispute dispute:2026-09-08:Supreme Court dockets New Jersey's cert petition as No. 26-2 Tue, 08 Sep 2026 12:00:00 GMT Supreme Court dockets New Jersey's cert petition as No. 26-299, Flaherty v. KalshiEX, LLC. https://gamblingatlas.org/federal/#case-kalshi-v-new-jersey case:kalshi-v-new-jersey:2026-09-08:New Jersey officials' petition for a wri Tue, 08 Sep 2026 12:00:00 GMT New Jersey officials' petition for a writ of certiorari is docketed at the U.S. Supreme Court as No. 26-299, Flaherty v. KalshiEX, LLC, from 3d Cir. No. 25-1922. https://gamblingatlas.org/federal/#case-kalshi-v-iowa case:kalshi-v-iowa:2026-09-08:District court denies Kalshi's prelimina Tue, 08 Sep 2026 12:00:00 GMT District court denies Kalshi's preliminary-injunction motion, holding sports-event contracts are not CEA "swaps." https://gamblingatlas.org/federal/#case-underdog-v-states case:underdog-v-states:2026-09-08:Underdog files federal suits against Mas Tue, 08 Sep 2026 12:00:00 GMT Underdog files federal suits against Massachusetts, Ohio, Wisconsin, New Mexico and Washington, seeking permanent injunctions against state enforcement of gambling laws on its prediction-market business. https://gamblingatlas.org/federal/#case-kalshi-v-utah case:kalshi-v-utah:2026-09-08:Tenth Circuit denies Kalshi's emergency Tue, 08 Sep 2026 12:00:00 GMT Tenth Circuit denies Kalshi's emergency motion for an injunction pending appeal, allowing Utah to enforce its gambling laws against Kalshi. https://gamblingatlas.org/federal/#case-new-mexico-tribes-v-kalshi case:new-mexico-tribes-v-kalshi:2026-09-04:Plaintiffs file notice that briefing is Fri, 04 Sep 2026 12:00:00 GMT Plaintiffs file notice that briefing is complete on their motion for a preliminary injunction; no ruling had issued as of October 2026. https://gamblingatlas.org/federal/#dispute dispute:2026-09-02:New Jersey petitions the U.S. Supreme Court for certiorari i Wed, 02 Sep 2026 12:00:00 GMT New Jersey petitions the U.S. Supreme Court for certiorari in Flaherty v. KalshiEX to resolve the circuit split. https://gamblingatlas.org/federal/#case-michigan-v-kalshi case:michigan-v-kalshi:2026-09-02:Ingham County Circuit Court grants a pre Wed, 02 Sep 2026 12:00:00 GMT Ingham County Circuit Court grants a preliminary injunction requiring geofencing and barring Michigan-targeted advertising, with a $500,000-per-day penalty for violations. https://gamblingatlas.org/federal/#dispute dispute:2026-08-28:Ninth Circuit rules against Kalshi in KalshiEX v. Assad, hol Fri, 28 Aug 2026 12:00:00 GMT Ninth Circuit rules against Kalshi in KalshiEX v. Assad, holding its sports contracts are unlikely to be CFTC-regulated "swaps" and siding with Nevada; companion rulings the same day go against NADEX and Robinhood. https://gamblingatlas.org/federal/#case-kalshi-v-nevada case:kalshi-v-nevada:2026-08-28:Ninth Circuit affirms dissolution of the Fri, 28 Aug 2026 12:00:00 GMT Ninth Circuit affirms dissolution of the injunction as to sports-event contracts, holding they are not "swaps" under 7 U.S.C. § 1a(47)(A)(ii) and the CEA does not preempt Nevada gaming law for them; remands the election-contracts question to the district court. https://gamblingatlas.org/federal/#case-connecticut-v-kalshi case:connecticut-v-kalshi:2026-08-26:Connecticut (AG Tong, DCP Commissioner C Wed, 26 Aug 2026 12:00:00 GMT Connecticut (AG Tong, DCP Commissioner Cafferelli, Gov. Lamont) sues Kalshi, seeking an injunction, disgorgement, restitution and civil penalties; the complaint is removed to federal court the same day. https://gamblingatlas.org/federal/#case-michigan-v-kalshi case:michigan-v-kalshi:2026-08-24:Sixth Circuit grants Kalshi's motion to Mon, 24 Aug 2026 12:00:00 GMT Sixth Circuit grants Kalshi's motion to hold briefing in abeyance pending resolution of the related KalshiEX v. Schuler and KalshiEX v. Orgel appeals. https://gamblingatlas.org/federal/#case-cftc-v-wisconsin case:cftc-v-wisconsin:2026-08-14:Appeal docketed at the Seventh Circuit, Fri, 14 Aug 2026 12:00:00 GMT Appeal docketed at the Seventh Circuit, with KalshiEX LLC as an appellant; appellant's brief due September 23, 2026. https://gamblingatlas.org/federal/#case-washington-v-kalshi case:washington-v-kalshi:2026-08-13:King County Superior Court issues a fina Thu, 13 Aug 2026 12:00:00 GMT King County Superior Court issues a final order barring Kalshi from offering or advertising covered wagers to Washington residents, with geofencing deadlines of August 19 and September 2, 2026. https://gamblingatlas.org/federal/#case-connecticut-v-kalshi case:connecticut-v-kalshi:2026-08-07:A federal judge denies Kalshi's motion f Fri, 07 Aug 2026 12:00:00 GMT A federal judge denies Kalshi's motion for a preliminary injunction against Connecticut's enforcement. https://gamblingatlas.org/federal/#case-kalshi-v-utah case:kalshi-v-utah:2026-08-04:Judge Robert J. Shelby grants Utah's mot Tue, 04 Aug 2026 12:00:00 GMT Judge Robert J. Shelby grants Utah's motion for summary judgment, holding the CEA does not preempt Utah's enforcement of its anti-gambling laws against Kalshi, denies Kalshi's preliminary-injunction motion as moot, and closes the case. https://gamblingatlas.org/federal/#case-washington-v-kalshi case:washington-v-kalshi:2026-08:The Washington Court of Appeals denies K Sat, 01 Aug 2026 12:00:00 GMT The Washington Court of Appeals denies Kalshi's request to stay the injunction pending appeal. https://gamblingatlas.org/federal/#case-new-york-v-kalshi case:new-york-v-kalshi:2026-07-31:New York sues KalshiEX LLC in state Supr Fri, 31 Jul 2026 12:00:00 GMT New York sues KalshiEX LLC in state Supreme Court, alleging an unlicensed, illegal gambling operation and seeking an injunction, forfeiture of illegal gains, restitution and fines equal to three times Kalshi's gains. https://gamblingatlas.org/federal/#case-kalshi-v-ohio case:kalshi-v-ohio:2026-07-30:Sixth Circuit hears merits oral argument Thu, 30 Jul 2026 12:00:00 GMT Sixth Circuit hears merits oral argument (consolidated with the Tennessee appeal). https://gamblingatlas.org/federal/#case-cftc-v-wisconsin case:cftc-v-wisconsin:2026-07-28:Judge William C. Griesbach denies the CF Tue, 28 Jul 2026 12:00:00 GMT Judge William C. Griesbach denies the CFTC's motion for a preliminary injunction, Wisconsin's motion to dismiss and venue-transfer motion, and all motions to intervene. https://gamblingatlas.org/federal/#dispute dispute:2026-07-27:Coalition of 44 state attorneys general, led by Ohio, tells Mon, 27 Jul 2026 12:00:00 GMT Coalition of 44 state attorneys general, led by Ohio, tells the CFTC its proposed Rule 40.11 amendments "go well beyond its statutory authority." https://gamblingatlas.org/federal/#case-michigan-v-kalshi case:michigan-v-kalshi:2026-07-27:Kalshi appeals the federal remand order Mon, 27 Jul 2026 12:00:00 GMT Kalshi appeals the federal remand order to the Sixth Circuit (No. 26-1639). https://gamblingatlas.org/federal/#case-cftc-v-minnesota case:cftc-v-minnesota:2026-07-27:Judge Katherine Menendez grants a prelim Mon, 27 Jul 2026 12:00:00 GMT Judge Katherine Menendez grants a preliminary injunction, finding the law likely at least partially preempted by the CEA. https://gamblingatlas.org/federal/#dispute dispute:2026-07:House Agriculture subcommittee holds a two-hour hearing on s Wed, 01 Jul 2026 12:00:00 GMT House Agriculture subcommittee holds a two-hour hearing on sports event contracts with no consensus on whether they are federally regulated derivatives or state-regulated gambling. https://gamblingatlas.org/federal/#case-washington-v-kalshi case:washington-v-kalshi:2026-07:King County Superior Court grants a prel Wed, 01 Jul 2026 12:00:00 GMT King County Superior Court grants a preliminary injunction, finding Kalshi likely violated state law and that Washington consumers would suffer substantial injury absent relief. https://gamblingatlas.org/federal/#case-michigan-v-kalshi case:michigan-v-kalshi:2026-06-29:Western District of Michigan grants the Mon, 29 Jun 2026 12:00:00 GMT Western District of Michigan grants the AG's motion to remand to state court; Ingham County Circuit Court grants a temporary restraining order halting Kalshi's Michigan sports-wagering operations. https://gamblingatlas.org/federal/#dispute dispute:2026-06-23:CFTC sues Kentucky, arguing the state's new prediction-marke Tue, 23 Jun 2026 12:00:00 GMT CFTC sues Kentucky, arguing the state's new prediction-market excise tax and enforcement suits "obstruct Congress' decision to federally preempt state law." https://gamblingatlas.org/federal/#case-cftc-v-kentucky case:cftc-v-kentucky:2026-06-23:CFTC files suit against Kentucky seeking Tue, 23 Jun 2026 12:00:00 GMT CFTC files suit against Kentucky seeking to block state enforcement and the new excise tax on prediction markets. https://gamblingatlas.org/federal/#case-kentucky-v-kalshi case:kentucky-v-kalshi:2026-06-17:AG Coleman files three suits (against Ka Wed, 17 Jun 2026 12:00:00 GMT AG Coleman files three suits (against Kalshi, Polymarket and VGW) in Franklin Circuit Court alleging unlicensed gambling. https://gamblingatlas.org/federal/#case-cftc-v-new-mexico case:cftc-v-new-mexico:2026-06-12:CFTC files suit in the District of New M Fri, 12 Jun 2026 12:00:00 GMT CFTC files suit in the District of New Mexico seeking to stop the state from applying its gambling laws to CFTC-regulated prediction markets. https://gamblingatlas.org/federal/#dispute dispute:2026-06-10:CFTC proposes amendments to Rule 40.11 and a new Appendix F Wed, 10 Jun 2026 12:00:00 GMT CFTC proposes amendments to Rule 40.11 and a new Appendix F setting a 90-day review process for "gaming" and other enumerated-activity event contracts. https://gamblingatlas.org/federal/#case-new-mexico-v-kalshi case:new-mexico-v-kalshi:2026-06-04:AG Torrez announces the lawsuit against Thu, 04 Jun 2026 12:00:00 GMT AG Torrez announces the lawsuit against Kalshi in First Judicial District Court, alleging an unlicensed sportsbook operating outside the tribal-compact/state-licensing framework. https://gamblingatlas.org/federal/#dispute dispute:2026-06:DraftKings launches DKeX, its own CFTC-registered prediction Mon, 01 Jun 2026 12:00:00 GMT DraftKings launches DKeX, its own CFTC-registered prediction-markets exchange, built on the Railbird designated contract market it acquired in October 2025. https://gamblingatlas.org/federal/#case-cftc-v-rhode-island case:cftc-v-rhode-island:2026-05-28:CFTC sues to block state enforcement in Thu, 28 May 2026 12:00:00 GMT CFTC sues to block state enforcement in Rhode Island, intervening in Kalshi's existing federal case against AG Neronha. https://gamblingatlas.org/federal/#case-rhode-island-v-kalshi case:rhode-island-v-kalshi:2026-05-21:AG Neronha sues Kalshi and Polymarket in Thu, 21 May 2026 12:00:00 GMT AG Neronha sues Kalshi and Polymarket in Providence County Superior Court, seeking a declaration that sports-related event contracts are sports betting under Rhode Island law and a permanent injunction. https://gamblingatlas.org/federal/#dispute dispute:2026-05-20:Senate Commerce subcommittee holds a sports-betting-integrit Wed, 20 May 2026 12:00:00 GMT Senate Commerce subcommittee holds a sports-betting-integrity hearing scrutinizing prediction markets' use of CFTC regulation to work around state law. https://gamblingatlas.org/federal/#case-cftc-v-minnesota case:cftc-v-minnesota:2026-05-19:CFTC and DOJ sue Minnesota to block the Tue, 19 May 2026 12:00:00 GMT CFTC and DOJ sue Minnesota to block the new state law before it takes effect August 1, 2026, seeking a preliminary and permanent injunction. https://gamblingatlas.org/federal/#dispute dispute:2026-05-12:CFTC files an amicus brief in the Sixth Circuit (KalshiEx v. Tue, 12 May 2026 12:00:00 GMT CFTC files an amicus brief in the Sixth Circuit (KalshiEx v. Schuler) asserting exclusive federal jurisdiction over prediction markets. https://gamblingatlas.org/federal/#case-new-mexico-tribes-v-kalshi case:new-mexico-tribes-v-kalshi:2026-05-12:The tribes file a complaint against Kals Tue, 12 May 2026 12:00:00 GMT The tribes file a complaint against Kalshi in the District of New Mexico. https://gamblingatlas.org/federal/#case-kalshi-v-maryland case:kalshi-v-maryland:2026-05-07:Fourth Circuit hears oral argument on Ka Thu, 07 May 2026 12:00:00 GMT Fourth Circuit hears oral argument on Kalshi's appeal; the panel is reported as skeptical of Kalshi's preemption theory. https://gamblingatlas.org/federal/#case-kalshi-v-arizona case:kalshi-v-arizona:2026-05-05:The same judge reverses course and grant Tue, 05 May 2026 12:00:00 GMT The same judge reverses course and grants Kalshi a preliminary injunction holding federal law preempts Arizona's gambling law for CFTC-regulated contracts. https://gamblingatlas.org/federal/#case-arizona-v-kalshi-criminal case:arizona-v-kalshi-criminal:2026-05-05:The federal preliminary injunction issue Tue, 05 May 2026 12:00:00 GMT The federal preliminary injunction issued in Kalshi's civil suit against Arizona effectively halts continued prosecution of the criminal case. https://gamblingatlas.org/federal/#dispute dispute:2026-05-04:Massachusetts Supreme Judicial Court hears argument in Commo Mon, 04 May 2026 12:00:00 GMT Massachusetts Supreme Judicial Court hears argument in Commonwealth v. KalshiEX on whether Kalshi needs a state gaming license. https://gamblingatlas.org/federal/#case-massachusetts-v-kalshi case:massachusetts-v-kalshi:2026-05-04:SJC hears oral argument on whether the C Mon, 04 May 2026 12:00:00 GMT SJC hears oral argument on whether the CEA preempts Massachusetts's sports-wagering law as applied to Kalshi. https://gamblingatlas.org/federal/#dispute dispute:2026-05-01:Coalition of 41 state attorneys general, led by Maryland, fo Fri, 01 May 2026 12:00:00 GMT Coalition of 41 state attorneys general, led by Maryland, formally tells the CFTC it should "recognize the limits of its power" over sports-related event contracts. https://gamblingatlas.org/federal/#dispute dispute:2026-05:Four New Mexico tribes sue Kalshi in federal court, adding t Fri, 01 May 2026 12:00:00 GMT Four New Mexico tribes sue Kalshi in federal court, adding to pending IGRA challenges from California and Wisconsin tribes. https://gamblingatlas.org/federal/#dispute dispute:2026-04-28:Days after suing New York, the CFTC files an amicus brief ba Tue, 28 Apr 2026 12:00:00 GMT Days after suing New York, the CFTC files an amicus brief backing Kalshi before the Massachusetts Supreme Judicial Court; 38 state AGs file an opposing amicus the same day. https://gamblingatlas.org/federal/#case-cftc-v-wisconsin case:cftc-v-wisconsin:2026-04-28:CFTC and the United States sue Wisconsin Tue, 28 Apr 2026 12:00:00 GMT CFTC and the United States sue Wisconsin, Governor Evers and AG Kaul, seeking to enjoin enforcement of the state's anti-gambling statutes against CFTC-regulated designated contract markets. https://gamblingatlas.org/federal/#case-kalshi-v-ohio case:kalshi-v-ohio:2026-04-24:Sixth Circuit motions panel denies an in Fri, 24 Apr 2026 12:00:00 GMT Sixth Circuit motions panel denies an injunction pending appeal but expedites the appeal. https://gamblingatlas.org/federal/#case-cftc-v-new-york case:cftc-v-new-york:2026-04-24:CFTC and DOJ file a civil complaint in t Fri, 24 Apr 2026 12:00:00 GMT CFTC and DOJ file a civil complaint in the Southern District of New York against the state and its leaders, seeking a declaration of exclusive federal authority over event contracts and an injunction against state enforcement. https://gamblingatlas.org/federal/#case-wisconsin-v-kalshi case:wisconsin-v-kalshi:2026-04-23:Wisconsin initiates civil enforcement ac Thu, 23 Apr 2026 12:00:00 GMT Wisconsin initiates civil enforcement actions in Dane County Circuit Court against Coinbase, Kalshi, Robinhood, Polymarket and Crypto.com under Wis. Stat. § 945.03. https://gamblingatlas.org/federal/#dispute dispute:2026-04-10:Federal judge bars Arizona from regulating prediction-market Fri, 10 Apr 2026 12:00:00 GMT Federal judge bars Arizona from regulating prediction-market operators and pauses the state's criminal prosecution of Kalshi pending further proceedings. https://gamblingatlas.org/federal/#case-cftc-v-arizona case:cftc-v-arizona:2026-04-10:A federal judge grants a temporary restr Fri, 10 Apr 2026 12:00:00 GMT A federal judge grants a temporary restraining order blocking Arizona's criminal-enforcement proceedings against Kalshi. https://gamblingatlas.org/federal/#dispute dispute:2026-04-09:CFTC moves for a preliminary injunction against Arizona's cr Thu, 09 Apr 2026 12:00:00 GMT CFTC moves for a preliminary injunction against Arizona's criminal and civil enforcement, pressing its exclusive-jurisdiction theory. https://gamblingatlas.org/federal/#case-cftc-v-arizona case:cftc-v-arizona:2026-04-09:CFTC moves to enjoin Arizona's criminal Thu, 09 Apr 2026 12:00:00 GMT CFTC moves to enjoin Arizona's criminal and civil enforcement against prediction markets. https://gamblingatlas.org/federal/#dispute dispute:2026-04-06:Third Circuit rules 2-1 for Kalshi in KalshiEX v. Flaherty, Mon, 06 Apr 2026 12:00:00 GMT Third Circuit rules 2-1 for Kalshi in KalshiEX v. Flaherty, holding the CEA likely preempts New Jersey's gambling law as applied to its sports contracts. https://gamblingatlas.org/federal/#case-kalshi-v-new-jersey case:kalshi-v-new-jersey:2026-04-06:Third Circuit affirms the preliminary in Mon, 06 Apr 2026 12:00:00 GMT Third Circuit affirms the preliminary injunction 2-1, holding the CEA likely preempts New Jersey gambling law as applied to sports-event contracts traded on a designated contract market; decided only the preliminary-injunction standard, not the merits. https://gamblingatlas.org/federal/#dispute dispute:2026-04-02:CFTC and the Justice Department sue Arizona, Connecticut and Thu, 02 Apr 2026 12:00:00 GMT CFTC and the Justice Department sue Arizona, Connecticut and Illinois — the agency's first direct suits against states over prediction-market jurisdiction. https://gamblingatlas.org/federal/#case-cftc-v-illinois case:cftc-v-illinois:2026-04-02:CFTC sues Illinois, naming the governor, Thu, 02 Apr 2026 12:00:00 GMT CFTC sues Illinois, naming the governor, AG and gaming officials, days after Illinois cease-and-desist letters to Kalshi, Crypto.com and Polymarket. https://gamblingatlas.org/federal/#case-cftc-v-arizona case:cftc-v-arizona:2026-04-02:CFTC sues Arizona, naming the governor a Thu, 02 Apr 2026 12:00:00 GMT CFTC sues Arizona, naming the governor and AG, alongside parallel suits against Illinois and Connecticut. https://gamblingatlas.org/federal/#case-cftc-v-connecticut case:cftc-v-connecticut:2026-04-02:CFTC sues Connecticut, naming the govern Thu, 02 Apr 2026 12:00:00 GMT CFTC sues Connecticut, naming the governor and AG, alongside parallel suits against Illinois and Arizona. https://gamblingatlas.org/federal/#case-kalshi-v-montana case:kalshi-v-montana:2026-04:Montana's Gambling Control Division send Wed, 01 Apr 2026 12:00:00 GMT Montana's Gambling Control Division sends a second cease-and-desist letter ruling Kalshi's event contracts illegal gambling and threatening criminal charges; Kalshi sues in federal court the same month. https://gamblingatlas.org/federal/#case-washington-v-kalshi case:washington-v-kalshi:2026-03-27:AG Nick Brown sues Kalshi, alleging its Fri, 27 Mar 2026 12:00:00 GMT AG Nick Brown sues Kalshi, alleging its event contracts on sports, elections, Supreme Court cases and other outcomes violate state gambling and consumer-protection law. https://gamblingatlas.org/federal/#case-kalshi-v-utah case:kalshi-v-utah:2026-03-25:Governor Cox signs HB 243 ("Gambling Rev Wed, 25 Mar 2026 12:00:00 GMT Governor Cox signs HB 243 ("Gambling Revisions"), adding "proposition bet" to the statutory definition of gambling, effective May 6, 2026. https://gamblingatlas.org/federal/#case-kalshi-v-arizona case:kalshi-v-arizona:2026-03-17:Federal judge denies Kalshi's request to Tue, 17 Mar 2026 12:00:00 GMT Federal judge denies Kalshi's request to enjoin state enforcement and orders Kalshi to show cause why the court should not abstain given the pending state criminal case. https://gamblingatlas.org/federal/#case-arizona-v-kalshi-criminal case:arizona-v-kalshi-criminal:2026-03-16:Arizona AG Kris Mayes files a 20-count c Mon, 16 Mar 2026 12:00:00 GMT Arizona AG Kris Mayes files a 20-count criminal case against KalshiEX LLC and Kalshi Trading LLC in Maricopa County Superior Court, alleging unlicensed gambling and illegal election wagering. https://gamblingatlas.org/federal/#dispute dispute:2026-03-12:CFTC publishes an Advance Notice of Proposed Rulemaking on p Thu, 12 Mar 2026 12:00:00 GMT CFTC publishes an Advance Notice of Proposed Rulemaking on prediction markets; Chairman Selig says the agency "will exercise its exclusive jurisdiction over prediction markets." https://gamblingatlas.org/federal/#case-kalshi-v-arizona case:kalshi-v-arizona:2026-03-12:Kalshi sues AG Kris Mayes and Arizona De Thu, 12 Mar 2026 12:00:00 GMT Kalshi sues AG Kris Mayes and Arizona Department of Gaming officials in federal court, seeking to block enforcement on CFTC-preemption grounds. https://gamblingatlas.org/federal/#case-kalshi-v-iowa case:kalshi-v-iowa:2026-03-11:Kalshi sues AG Brenna Bird and Iowa Raci Wed, 11 Mar 2026 12:00:00 GMT Kalshi sues AG Brenna Bird and Iowa Racing and Gaming Commission officials seeking declaratory and injunctive relief on preemption grounds. https://gamblingatlas.org/federal/#case-michigan-v-kalshi case:michigan-v-kalshi:2026-03:AG Nessel files suit against Kalshi alle Sun, 01 Mar 2026 12:00:00 GMT AG Nessel files suit against Kalshi alleging violation of Michigan's Lawful Sports Betting Act. https://gamblingatlas.org/federal/#case-kalshi-v-utah case:kalshi-v-utah:2026-02-23:Kalshi sues Governor Cox and other Utah Mon, 23 Feb 2026 12:00:00 GMT Kalshi sues Governor Cox and other Utah officials seeking a declaratory judgment that the CEA preempts enforcement of Utah's gambling laws against its contracts. https://gamblingatlas.org/federal/#case-reynolds-v-kalshi case:reynolds-v-kalshi:2026-02-20:Complaint filed in the District of Orego Fri, 20 Feb 2026 12:00:00 GMT Complaint filed in the District of Oregon alleging Kalshi's event contracts are unlicensed sports betting under Oregon's loss-recovery and unfair-trade-practices statutes. https://gamblingatlas.org/federal/#dispute dispute:2026-02-04:CFTC formally withdraws its 2024 proposed event-contracts ru Wed, 04 Feb 2026 12:00:00 GMT CFTC formally withdraws its 2024 proposed event-contracts rule and the September 2025 staff advisory, saying it is "withdrawing these proposed rules to reconsider them in light of various forms of state regulatory actions." https://gamblingatlas.org/federal/#case-massachusetts-v-kalshi case:massachusetts-v-kalshi:2026-02-01:A single Appeals Court justice stays the Sun, 01 Feb 2026 12:00:00 GMT A single Appeals Court justice stays the injunction pending appeal, allowing Kalshi to resume offering sports contracts in Massachusetts. https://gamblingatlas.org/federal/#case-kalshi-v-tennessee case:kalshi-v-tennessee:2026-02:Judge Aleta Trauger grants Kalshi a prel Sun, 01 Feb 2026 12:00:00 GMT Judge Aleta Trauger grants Kalshi a preliminary injunction blocking Sports Wagering Council enforcement. https://gamblingatlas.org/federal/#case-massachusetts-v-kalshi case:massachusetts-v-kalshi:2026-01-20:Suffolk Superior Court (Judge Christophe Tue, 20 Jan 2026 12:00:00 GMT Suffolk Superior Court (Judge Christopher K. Barry-Smith) grants the Commonwealth's preliminary injunction against Kalshi and denies Kalshi's motion to dismiss. https://gamblingatlas.org/federal/#case-kalshi-v-tennessee case:kalshi-v-tennessee:2026-01-09:Kalshi sues Tennessee Sports Wagering Co Fri, 09 Jan 2026 12:00:00 GMT Kalshi sues Tennessee Sports Wagering Council officials and AG Skrmetti in M.D. Tenn. after a cease-and-desist order. https://gamblingatlas.org/federal/#dispute dispute:2025-12-18:Senate confirms Michael Selig as CFTC Chairman, succeeding A Thu, 18 Dec 2025 12:00:00 GMT Senate confirms Michael Selig as CFTC Chairman, succeeding Acting Chairman Pham. https://gamblingatlas.org/federal/#dispute dispute:2025-12-18:Kalshi self-certifies contracts tied to the NCAA transfer po Thu, 18 Dec 2025 12:00:00 GMT Kalshi self-certifies contracts tied to the NCAA transfer portal; NCAA says it "vehemently opposes college sports prediction markets." https://gamblingatlas.org/federal/#case-connecticut-v-kalshi case:connecticut-v-kalshi:2025-12-02:Connecticut's Department of Consumer Pro Tue, 02 Dec 2025 12:00:00 GMT Connecticut's Department of Consumer Protection Gaming Division orders Kalshi, Robinhood and Crypto.com to cease and desist unlicensed online sports wagering. https://gamblingatlas.org/federal/#dispute dispute:2025-12:House Agriculture Committee holds the first congressional he Mon, 01 Dec 2025 12:00:00 GMT House Agriculture Committee holds the first congressional hearing focused on sports event contracts, as part of CFTC reauthorization. https://gamblingatlas.org/federal/#case-kalshi-v-nevada case:kalshi-v-nevada:2025-11-24:Judge Gordon dissolves the preliminary i Mon, 24 Nov 2025 12:00:00 GMT Judge Gordon dissolves the preliminary injunction, finding the law and facts had evolved since the early, "accelerated" ruling. https://gamblingatlas.org/federal/#case-california-tribes-v-kalshi case:california-tribes-v-kalshi:2025-11:The district court denies the tribes' mo Sat, 01 Nov 2025 12:00:00 GMT The district court denies the tribes' motion for a preliminary injunction.