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A bettor profited close to $500,000 on the ouster of Nicolás Maduro immediately preceding it was publicly declared, raising questions about potential gains made from inside knowledge of the US operation.

Changing Odds in Forecasts

Wagers on Polymarket, a blockchain-based service, that the Venezuelan president would be out of power by the end of January rose in the period preceding Donald Trump stated on the weekend that the Venezuelan leader had been taken into custody.

A single trader, which joined the platform in December and placed four wagers, all on Venezuela, earned over $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.

Probability Spikes Before Public Statement

Platform data shows that traders estimated the likelihood of Maduro's exit at just under 7% in the midday period of the prior Friday.

Yet these probabilities had climbed to eleven percent by shortly before midnight and spiked dramatically in the morning of Saturday, pointing to a sudden change in market sentiment right before the social media post was made.

"That trade has all the signs of a transaction based on confidential knowledge," stated Dennis Kelleher.

A handful of other traders also profited large payouts from predicting the capture.

Regulatory Scrutiny Emerges

Some lawmakers are growing concerned.

A bill put forward on recently aims to prohibit government employees from making trades on forecasting platforms if they have "material nonpublic information" related to a wager.

The Prediction Market Landscape

Event-driven betting sites have become increasingly popular in the United States, with traders able to bet on everything from sports outcomes to politics.

Prediction markets encountered regulatory challenges under the previous administration. Yet it has received a warmer welcome during the current presidency.

Insider trading is against the law in the securities markets, but there are less oversight in the event betting arena.

An official representative for another major platform said their site "explicitly prohibits trading on insider information of any form."