A Prediction Market Trader Made $436,000 on Bets Predicting the Ouster of Maduro.

Polymarket logo on a smartphone
In this photo illustration, a Polymarket logo is seen displayed on a smartphone.

A trader profited close to $500,000 on the ouster of Nicolás Maduro just before it was officially announced, sparking debate about potential gains made from confidential information of American actions.

Sudden Shift in Predictions

Wagers on Polymarket, an online prediction market, that the Venezuelan president would be no longer in control by the month's conclusion rose in the hours before Donald Trump announced on January 3rd that Maduro had been taken into custody.

A single trader, which joined the platform recently and made four bets, all on political events in Venezuela, profited a total of $436K from a initial bet of $32.5K.

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

Odds Fluctuate Before Public Statement

Trading information shows that traders assessed the probability of a political change at just under 7% in the afternoon of the Friday before the event.

However these probabilities had climbed to eleven percent by the end of the day and surged in the first hours of Saturday, suggesting a sharp shift in positions right before the social media post was made.

"This particular bet has all the characteristics of a bet based on confidential knowledge," commented an industry expert.

A handful of other individuals also earned significant sums from bets on the same outcome.

Legal Questions Emerges

Politicians are beginning to pay attention.

A bill presented on recently would prevent government employees from making trades on prediction markets if they have "insider details" related to a wager.

Industry Context

Prediction markets have grown significantly in recent years, with participants able to wager on everything from elections to political events.

This sector faced scrutiny under the last presidential term. However it has received a warmer welcome during the current presidency.

Insider trading is illegal in the securities markets, but there are fewer regulations in the prediction market arena.

A company executive for Kalshi said their site "explicitly prohibits insider trading of any form."

Leslie Chapman
Leslie Chapman

A software engineer and tech writer passionate about AI ethics and emerging technologies.