“Every single thing we do, I can point to, like, ‘here is the person who was doing a thing wrong,’ ” said Hall. “We build a map of all of the players in the world…who are trading for reasons other than they want to generate some alpha.[*15] You know, somebody got added to the S&P 500. So now all the S&P 500 ETFs out there have to buy this company. Or it’s a CEO of a startup, he’s now a billionaire. He has ninety-nine percent of his net worth in the company. He’s allowed to sell his shares on this day [and] he’s probably going to sell a bunch.”
