It comes after someone made over $400,000 off of a well-timed trade on Polymarket, a competing prediction market platform.

An effort to ban insider trading by officials privy to nonpublic government business using prediction markets has picked up a key endorsement.

A major bet on Nicolás Maduro's capture before the Venezuelan president was seized in an American military raid shows how prediction markets pose a controversial new opportunity for insiders to profit ...

Forbes contributors publish independent expert analyses and insights. Steve Weisman writes about white-collar crime. Portrait of a smiling Ivan Boesky, an American financier and expert in risk ...

Prediction markets leaked the Venezuela raid hours early. But that may be part of the point for places like Kalshi and Polymarket.

Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.

In 2025, the SEC has shifted focus back to traditional insider trading enforcement, with fewer new cases but steady penalties. The approach is more conservative, targeting classic schemes and ...

Six Democratic senators sent a letter Friday to the chair of the Securities and Exchange Commission requesting an investigation President Donald Trump's announcement of a 90-day pause on most new ...

The issue of insider trading has always been a hot one in the stock market and investment circles. Whereas illegal insider trading occurs when a person trades in stocks using non-public material ...

Nancy Pelosi's increasingly tense exchanges with CNN over stock trading have crystallized a long‑simmering question in Washington: should members of Congress be allowed to buy and sell individual ...