A trader made nearly half a million dollars by predicting the removal of Nicolás Maduro immediately preceding it was publicly declared, sparking debate about the possibility of profiting from non-public details of American actions.
Predictions made on the forecasting site, a blockchain-based service, that the leader would be removed from office by the close of the month rose in the hours before former President Trump announced on Saturday that Maduro had been apprehended.
A single trader, which registered on the site in December and placed four wagers, all on political events in Venezuela, earned over $436,000 from a modest bet of $32.5K.
Who placed the bet is a mystery. The user had only a cryptographic address for identification.
Market statistics shows that traders assessed the probability of the president's removal at just under 7% in the midday period of the Friday before the event.
But the market's assessment had increased to eleven percent by shortly before midnight and spiked dramatically in the first hours of the next day, suggesting a sharp shift in market sentiment immediately prior to the official statement was made.
"That trade has all the characteristics of a bet based on inside information," commented an industry expert.
A small number of other individuals also earned significant sums from bets on the same outcome.
Politicians are starting to take note.
A bill introduced on Monday would prevent public officials from making trades on forecasting platforms if they have "insider details" related to a market.
Forecasting platforms have become increasingly popular in recent years, with participants able to bet on everything from sports outcomes to current affairs.
Prediction markets encountered regulatory challenges under the Biden administration. Yet it has received a warmer welcome during the Trump presidency.
Insider trading is against the law in the traditional financial markets, but there are more ambiguous rules in the prediction market space.
A spokesperson for another major platform said their site "explicitly prohibits insider trading of any form."
Elias Vance is a Canadian journalist and political analyst with over a decade of experience covering national affairs and policy developments.