A Polymarket contract on whether Iran would strike Israel on March 10 was designed to forecast the future. Instead, more than ...

As bad behavior in finance goes, the idea of insiders betting on the US and Israel attacking Iran is about as appalling as it gets. Cashing in on death and destruction across the Middle East — or ...

Major League Baseball has entered new agreements with Polymarket and the federal regulator that oversees prediction markets, formalizing the sports league’s involvement in the fast-growing industry.

Prediction market platforms have justified their existence to regulators and lawmakers with a high-minded argument: their ...

Nasdaq Inc. plans to roll out options contracts that would allow yes-or-no bets on a major stock index, the latest exchange operator to put its own spin on fast-growing prediction markets.

The heads of Chicago’s largest exchanges are calling for a review of the process that has allowed prediction market platforms ...

A flurry of recent investments is catapulting two upstart prediction-markets firms into the financial limelight, and turning their twenty-something founders into a new class of self-made billionaires.

Prediction markets are growing far faster than previously expected and will rival stock exchanges in just a few years, according to Kalshi Inc. Chief Executive Officer Tarek Mansour. “This is starting ...

A great financial economist once tried to convince me that retail investors should not be allowed to buy individual stocks. I ...

Wall Street’s main regulators are advancing plans to oversee the crypto industry and surging prediction markets with new measures likely to be laced with longstanding implications for broader ...