All I can say is wow.... that is a hell of a lot of money to bet on such a close and wild election! They have done their homework though into the person which makes a ton of sense and even brought on a third party investigation firm to make sure this person was not trying to manipulate or attempt to manipulate the market.
Not to mention the guy also has $7 million in these accounts for bets on Trump winning the popular vote which I feel is even wilder! According to Polymarket
It believes “that this individual is taking a directional position based on personal views of the election.”But the person nevertheless “has agreed not to open further accounts without notice.”