Polymarket Says Trump Whale Identified as French Trader

A trader who spent more than $45 million on Polymarket bets that Donald Trump will win the upcoming US presidential election has been identified as a French national, following an investigation by the cryptocurrency-based prediction markets platform.

Polymarket, which does not permit US users, determined the person behind four large accounts also had “extensive trading experience and a financial services background,” a company spokesperson said in a statement on Thursday.

The accounts, the largest of which goes by the username Fredi9999, have collectively spent millions of dollars in markets that favor a Republican victory on Nov. 5. Online sleuths had ...