Wisconsin gambling law changes https://gamblingatlas.org/states/wisconsin/ New laws, launches, tax changes and enacted bills on gambling in Wisconsin. en-us Mon, 12 Oct 2026 12:00:00 GMT Federal court denies the CFTC's request for a preliminary injunction against Wisconsin's enforcement suit over sports event contracts (exact date approximate) https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2026-07-01:Federal court denies the CFTC's request for a preliminary in Wed, 01 Jul 2026 12:00:00 GMT Gov. Evers begins tribal compact-amendment talks to implement statewide mobile sports betting under Act 247 https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2026-06-01:Gov. Evers begins tribal compact-amendment talks to implemen Mon, 01 Jun 2026 12:00:00 GMT AG Josh Kaul sues Kalshi, Robinhood and Coinbase in Dane County Circuit Court over sports event contracts; case removed to federal court as State of Wisconsin v. Kalshi, Inc., No. 3:26-cv-00378 (W.D. Wis.) https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2026-04-23:AG Josh Kaul sues Kalshi, Robinhood and Coinbase in Dane Cou Thu, 23 Apr 2026 12:00:00 GMT Gov. Evers signs Assembly Bill 601 as 2025 Wisconsin Act 247, authorizing statewide hub-and-spoke mobile sports betting pending compact renegotiation with all 11 tribes https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2026-04-09:Gov. Evers signs Assembly Bill 601 as 2025 Wisconsin Act 247 Thu, 09 Apr 2026 12:00:00 GMT Wisconsin Senate passes Assembly Bill 601 (statewide tribal-exclusive mobile sports betting), 21-12 https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2026-03-17:Wisconsin Senate passes Assembly Bill 601 (statewide tribal- Tue, 17 Mar 2026 12:00:00 GMT Fiscal year ends with 6 of 11 compacted tribes (Oneida, Forest County Potawatomi, St. Croix Chippewa, Lac Courte Oreilles, Lac du Flambeau, Sokaogon Chippewa) operating retail sportsbooks; 3 more authorized but not open, 2 (Red Cliff, Bad River) not yet amended for sports wagering https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2025-09-30:Fiscal year ends with 6 of 11 compacted tribes (Oneida, Fore Tue, 30 Sep 2025 12:00:00 GMT Office of Charitable Gaming raffle/bingo license fee increases take effect (non-retroactive) https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2025-07-07:Office of Charitable Gaming raffle/bingo license fee increas Mon, 07 Jul 2025 12:00:00 GMT Oneida Nation launches Wisconsin's first legal sports betting https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2021-11-01:Oneida Nation launches Wisconsin's first legal sports bettin Mon, 01 Nov 2021 12:00:00 GMT Wisconsin authorizes tribal sports wagering via Wis. Stat. § 945.01(1)(b)6 compact-amendment exclusion https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2021-07-01:Wisconsin authorizes tribal sports wagering via Wis. Stat. § Thu, 01 Jul 2021 12:00:00 GMT Wisconsin Lottery adds Mega Millions https://gamblingatlas.org/states/wisconsin/#timeline event:WI:2010-01-01:Wisconsin Lottery adds Mega Millions Fri, 01 Jan 2010 12:00:00 GMT Wisconsin Lottery begins offering Powerball, replacing original Megabucks https://gamblingatlas.org/states/wisconsin/#timeline event:WI:1992-04-19:Wisconsin Lottery begins offering Powerball, replacing origi Sun, 19 Apr 1992 12:00:00 GMT Wisconsin joins multistate Lotto*America game; first Megabucks drawing held https://gamblingatlas.org/states/wisconsin/#timeline event:WI:1989-08-10:Wisconsin joins multistate Lotto*America game; first Megabuc Thu, 10 Aug 1989 12:00:00 GMT Wisconsin Lottery begins ticket sales (Match 3 instant game and Wisconsin Red pull-tab) https://gamblingatlas.org/states/wisconsin/#timeline event:WI:1988-09-14:Wisconsin Lottery begins ticket sales (Match 3 instant game Wed, 14 Sep 1988 12:00:00 GMT Wisconsin voters/legislature authorize a state lottery https://gamblingatlas.org/states/wisconsin/#timeline event:WI:1987-04-07:Wisconsin voters/legislature authorize a state lottery Tue, 07 Apr 1987 12:00:00 GMT