A flurry of bets made prior to major announcements about the Iran war has ramped up speculation that individuals or groups with advance knowledge of U.S. military plans are cashing in on insider ...

Prediction platform Polymarket has updated its market integrity rules amid growing scrutiny over manipulation and insider trading risks. In a Monday announcement, the company outlined updated rules ...

Polymarket is moving to quash insider trading as prediction markets face scrutiny over whether some users draw on classified or other closely held information to gain an edge in betting on events. The ...

Polymarket’s new “private market” contracts are raising fresh concerns about the regulation of prediction markets.

More than $1 billion has been bet online on military decisions and outcomes this year on Polymarket. Some wagers have been ...

For the last two decades, officers and directors at US public companies seeking to trade illicitly on inside information had an almost infallible get-out-of-jail-free card. All they had to do was use ...

Prediction market Kalshi makes moves to counter insider trading. Two of the changes affect political candidates and people involved in sports leagues. It also is adding a new whistleblower ...