The odds of Machado winning the prize jumped from 3.75 percent to nearly 73 percent overnight Thursday to Friday on the predictive betting platform Polymarket.

xOSLO: A potential leak that preceded the announcement of the Nobel Peace Prize to Venezuelan opposition leader Maria Corina Machado was "highly likely" the result of espionage, the Nobel Institute told Norwegian media on Saturday.

The odds of Machado winning the prize jumped from 3.75 percent to nearly 73 percent overnight Thursday to Friday on the predictive betting platform Polymarket.

But no expert or media outlet had mentioned her as being among the favourites for the prize, which was announced just a few hours later in Oslo.

"Highly likely it's espionage," the director of the Nobel Institute and secretary of the Nobel com

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