Famous trader HORSE (@TheFlowHorse) posted that if MicroStrategy founder Micheal Saylor sells Bitcoin, it will be one of the most successful trades in history, as his Bitcoin investment has so far made a floating profit of about 14.9 billion US dollars. In addition, HORSE also listed some major short-selling events in history. In response to this, Micheal Saylor said: I'm not selling BTC (I'm not selling).