A Prediction Market Participant Earned $Nearly Half a Million on Bets Predicting Venezuela's Political Shift.

A trader made nearly half a million dollars from wagers on the downfall of Nicolás Maduro just before it was made public, sparking debate about potential gains made from non-public details of the event.

Sudden Shift in Predictions

Wagers on Polymarket, a crypto-powered platform, that the Venezuelan president would be out of power by the end of January rose in the time leading up to President Donald Trump announced on Saturday that the president had been taken into custody.

A particular user, which joined the platform last month and took four positions, all on Venezuela, profited a total of $nearly half a million from a initial bet of $32,537.

The identity is unknown. The anonymous account had only a cryptographic address for identification.

Market Signals Before Announcement

Trading information shows that participants put the odds of Maduro's exit at just under 7% in the afternoon of the prior Friday.

Yet the odds had jumped to over 10% by the end of the day and spiked dramatically in the morning of January 3rd, pointing to a sudden change in market sentiment right before the social media post was made.

"That trade has all the characteristics of a bet based on confidential knowledge," said Dennis Kelleher.

A handful of other platform users also made large payouts from bets on the same outcome.

Legal Questions Grows

Politicians are starting to take note.

Proposed legislation introduced on recently would prevent public officials from placing bets on forecasting platforms if they have "material nonpublic information" related to a market.

Market Background

Prediction markets have grown significantly in recent years, with users able to bet on everything from elections to politics.

Prediction markets faced scrutiny under the Biden administration. However it has found a more favorable environment during the Trump presidency.

Trading on insider information is illegal in the stock market, but there are less oversight in the prediction market industry.

A spokesperson for a competing service said their site "strictly forbids such activities of any form."