Golden Finance reports that well-known trader HORSE (@TheFlowHorse) stated that if MicroStrategy founder Micheal Saylor sells his Bitcoin, it will become one of the most successful trades in history, as his Bitcoin investment has so far realized a floating profit of about $14.9 billion. In addition, HORSE also cited some significant short-selling events in history. In response, Micheal Saylor stated: I am not selling BTC (I'm not selling).