THE MOST IMPORTANT LEGAL BATTLE IN THE HISTORY of GAMBLING

Prediction markets have quickly become the biggest legal issue in the gambling world since Murphy versus NCAA, the multi-year case that eventually resulted in the repeal of the Professional and Amateur Sports Protection Act (PASPA), paving the way for legalized sports betting and unbeknownst at the time, the rise of sports contracts on prediction markets. As of April 4, 2026, there are 10 active prediction market bills, and Kalshi alone is involved in 13 legal battles with various states.

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Publication Details

Journal
Gaming Law Review
Published
2026-05-27
DOI
https://doi.org/10.1177/25725300261454045
Primary Topic
Sports Analytics and Performance
Type
article
Field-Weighted Citation Impact
0.00
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article

THE MOST IMPORTANT LEGAL BATTLE IN THE HISTORY of GAMBLING

Steve Ruddock
Gaming Law Review
Sports Analytics and Performance
article

THE MOST IMPORTANT LEGAL BATTLE IN THE HISTORY of GAMBLING

Steve Ruddock
article en

Abstract

Prediction markets have quickly become the biggest legal issue in the gambling world since Murphy versus NCAA, the multi-year case that eventually resulted in the repeal of the Professional and Amateur Sports Protection Act (PASPA), paving the way for legalized sports betting and unbeknownst at the time, the rise of sports contracts on prediction markets. As of April 4, 2026, there are 10 active prediction market bills, and Kalshi alone is involved in 13 legal battles with various states.

Gaming Law Review
Prudential Financial (United States) (US)
Peace, Justice and strong institutions
Openalex Percentile: Top 3%
Sports Analytics and Performance
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