Bipartisan Bills Restrict Prediction Markets, Insider Trading

Lawmakers in the House and Senate introduced a series of bipartisan bills this week to impose new restrictions on prediction markets, platforms that allow users to wager on the outcomes of political events, government decisions, military actions, and other real-world developments. The measures, unveiled amid heightened scrutiny over potential insider trading, aim to prevent federal officials from profiting from nonpublic information and to limit the types of bets available on sites like Polymarket and Kalshi.

The legislative push reflects concerns that these markets, which operate with lighter federal oversight than traditional stock exchanges or gambling operations, could enable individuals with access to sensitive information to gain unfair advantages. Recent examples include precise wagers on the timing of a U.S. military strike in Iran, where a small group of traders reportedly earned over $1 million, and bets related to the removal of Venezuelan President Nicolás Maduro, which yielded significant profits shortly before U.S. troops captured him. Such incidents have prompted questions about whether government insiders or those close to decision-making processes are...