I recently joined WGN Radio’s Legal Face-Off to discuss futures prediction markets. My segment begins at 17:15. You can listen here:https://wgnradio.com/wgn-plus/legal-face-off/mangiones-defense-prediction-markets-transgender-military-members-and-much-more/
I will be presenting my paper, Why Courts and Congress Should but Won t Outlaw Prediction Markets, at the 19th International Conference on Gambling Risk Taking at the Bellagio Hotel [ ]
New academic paper from Mark Griffiths and Michael Auer shows for the first time who plays online casinos and how much they bet. Looking at 926,086 real money gamblers in [ ]
On March 23, 2026, Kalshi and Polymarket, by far the largest prediction markets, announced bans on insider trading; even though insider trading is already banned in their Terms and Conditions. [ ]
I was recently quoted in an article published by Danish television network TV 2 Danmark examining the lawsuit between the State of Nevada and prediction market platform Kalshi. The case [ ]
Insider trading is illegal – in securities trading and regulated sports betting. But it is actually one of the advantages that futures markets have over more conventional predictors. If you [ ]
The Capitol Forum recently published an article examining the difficulties Sporttrade has faced trying to operate an exchange-style sports prediction platform under existing state gambling laws. Sporttrade was created to [ ]
On February 19, 2026, Kalshi removed to federal court the lawsuit filed against it in state court by the state of Nevada. This prevents the state judge from issuing a [ ]
Today, February 17, 2026, saw the following: 1) The US Ninth Circuit Court of Appeals denied Kalshi s attempt to prevent the state of Nevada from suing the sports event prediction [ ]