Polymarket

PoliticsPolymarket cuts ties with former Rep. George Santos as feds investigate if he illegally bet against his own actions on Kalshi
By The Associated Press, Catherina Gioino and Jake OffenhartzJune 3, 2026

North AmericaProsecutors issue Google insider trading charges after an employee made more than $1.2 million on Polymarket
By Wyatte Grantham-Philips and The Associated PressMay 29, 2026

InvestingA Google engineer is facing federal charges after allegedly using his employer’s confidential data to pocket $1.2 million on Polymarket
By Marco Quiroz-GutierrezMay 28, 2026

By Kaitlyn Huamani, Nick Lichtenberg and The Associated PressMay 28, 2026

By Andrew NuscaMay 28, 2026

CommentarySEON CEO: Prediction markets can forecast the future. Can they survive their own manipulation problem?
By Tamas KadarMay 1, 2026

By Mary Clare Jalonick and The Associated PressApril 30, 2026

InvestingKalshi and Polymarket are racing to ban insider trading. The economist who built the theory behind prediction markets says it’s the whole point
By Eva RoytburgApril 26, 2026
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