A bettor profited close to $500,000 by predicting the removal of Nicolás Maduro immediately preceding it was made public, leading to inquiries about whether someone profited from non-public details of the event.
Bets placed on the crypto-platform, a crypto-powered platform, that the Venezuelan president would be no longer in control by the end of January rose in the hours before Donald Trump announced on Saturday that Maduro had been seized.
A single trader, which joined the platform recently and placed four wagers, all on the Venezuelan situation, earned over $436K from a modest bet of $32,537.
It remains unclear. The anonymous account had only a string of letters and numbers for identification.
Market statistics shows that traders assessed the probability of the president's removal at just under 7% in the afternoon of the Friday before the event.
Yet the market's assessment had climbed to eleven percent by the end of the day and spiked dramatically in the early hours of the next day, indicating a sharp shift in betting activity immediately prior to the social media post was made.
"That trade has all the signs of a bet based on confidential knowledge," commented a financial reform advocate.
A small number of other traders also profited large payouts from similar wagers.
Elected officials are beginning to pay attention.
A bill introduced on recently aims to prohibit government employees from participating on prediction markets if they have "material nonpublic information" related to a market.
Forecasting platforms have surged in popularity in recent years, with traders able to bet on everything from sports outcomes to current affairs.
The industry encountered regulatory challenges under the previous administration. However it has received a warmer welcome during the Trump presidency.
Trading on insider information is illegal in the securities markets, but there are more ambiguous rules in the prediction market space.
A spokesperson for Kalshi said their site "has clear rules against insider trading of any form."
A UK-based tech journalist and digital strategist with over a decade of experience covering emerging technologies and startup ecosystems.