A mysterious online bettor has reportedly netted over $400,000 on Polymarket, a cryptocurrency-based prediction market, by accurately forecasting the U.S. would invade Venezuela and remove President Nicolás Maduro from power. This development has raised alarms about the potential for abuse within prediction markets, where individuals with access to confidential information could exploit their knowledge for financial gain.
The U.S. military operation occurred early Saturday, aiming to capture Maduro and his wife, who are facing narco-terrorism charges. The bettor’s activities, visible on Polymarket’s platform, show that they made only 13 bets totaling nearly $34,000 from late December to early January, specifically on the U.S. invasion of Venezuela and Maduro’s removal. Interestingly, the aftermath of the operation does not clarify the bettor’s identity or whether they possessed any credible inside information prior to placing their bets.
Reports indicate that President Trump had previously suggested Maduro’s regime was nearing its end but offered little detail about the impending operation. According to officials, Trump authorized the operation shortly before Christmas while keeping the specific timing ambiguous. Notably, the bettor placed their largest wager—over $14,000—just before the operation became public knowledge.
A spokesperson from Chainalysis, a firm that tracks cryptocurrency transactions, noted that the bettor’s activities seemed transparent, lacking any indication of attempts to conceal their funds or identity. Following their successful bets, the individual has already converted their earnings into Solana, a popular cryptocurrency, through a major American exchange.
In addition to this primary account, at least four other bettors on Polymarket made smaller wagers tied to Maduro’s potential departure from office, but it remains unclear whether they similarly benefited from advanced knowledge or lucky guesses. These secondary accounts placed their bets just before the military action, with amounts ranging from $700 to $900.
The growth of prediction markets has raised questions about oversight and potential manipulation. These platforms allow users to wager on an array of topics, from significant global events to trivial matters, creating opportunities for both serendipitous profit and unscrupulous conduct. For example, users have also bet on geopolitical events, like the outcome of the war in Ukraine, and have sometimes exploited editing errors or inaccuracies in source materials to profit from markets.
Past instances of insiders betting on political races have further underscored concerns about the integrity of these markets. One notable case involved Sean McElwee, who allegedly wagered on elections connected to his work at a political data firm, sparking controversy and raising ethical questions.
Currently navigating a gray legal landscape, prediction markets faced heightened scrutiny in the past; however, recent regulatory changes have eased restrictions. In a notable reversal, the Commodity Futures Trading Commission (CFTC) recently cleared Polymarket to operate as a U.S. exchange, paving the way for Americans to participate, albeit still under strict guidelines.
In response to rising concerns, Congressman Ritchie Torres plans to introduce legislation aimed at criminalizing the use of nonpublic information for betting on such platforms. Legal experts suggest that while using insider information for trading is widely regarded as fraud in commodities markets, legal frameworks concerning prediction markets are still catching up.
The potential ramifications of these events are significant, prompting discussions about the ethical and legal implications of betting markets, especially if they become conduits for profiting from sensitive information.

