https://www.mondaq.com/unitedstates/gaming/1403840/nationwide-online-sports-betting-tracker?email_access=on 

United States: Nationwide Online Sports Betting Tracker
19 December 2023
by Jonathan L. Israel , Gregory A. Marino , Zachary A. Flagel , Samuel J. Fishman and Quinn N. D'Isa
Foley & Lardner
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View Jonathan L. Israel Biography on their website
On behalf of Foley's Sports & Entertainment Group, I am pleased to announce the establishment of the Sports Betting and Gaming Task Force and its Nationwide Online Sports Betting Tracker—a one stop compilation and summary of state online sports wagering laws and regulations.

In 1992, Congress enacted the Professional and Amateur Sports Protection Act (PASPA) which effectively prohibited sports betting where the practice was not already legal under state law. In 2018, the Supreme Court struck down PASPA in its entirety, allowing each state to address the legality of sports betting on its own terms. Thirty states in the U.S. have now legalized sports betting in some form or another.