Suspicious trading activity on the prediction market platform, Polymarket, has drawn the attention of federal prosecutors in New York. Representatives from the U.S. attorney’s office for the Southern District of New York have met with Polymarket officials to explore potential applications of insider trading laws to these trades. Although no allegations of wrongdoing have been made against Polymarket, the meeting highlights growing scrutiny as several unusual bets have emerged recently, including those related to the timing of the Iran War and the kidnapping of Nicolas Maduro, the president of Venezuela.
One notable incident involved a trader who wagered $30,000 on Maduro's capture and reportedly profited over $430,000. Polymarket has faced regulatory challenges, having been effectively banned in the U.S. in 2022 for operating without a license. However, the company purchased a holding firm that provides licensed trading and received regulatory approval in November 2025. It is currently in the process of a gradual relaunch in the U.S., although access remains limited for most users.
Concerns about the rise of prediction markets have been echoed by lawmakers and the public, particularly regarding gambling and insider trading issues. Similar platforms like Kalshi are facing legal challenges, including a recent two-week ban in Nevada following a lawsuit from the gaming industry. Arizona's Attorney General has also filed criminal charges against Kalshi, claiming it operates an illegal gambling operation.