An Exciting ETF for the SpaceX Trade Lifts Off | ETF Trends Space Exploration Technologies (SPCX), Elon Musk's rockets and satellites company, also known as SpaceX, went public last Friday in the largest initial public offering (IPO) on record. LOFF, the 52nd single-stock ETF in the Direxion stable, attempts to deliver 200% of the daily performance of SpaceX shares. Obviously, this is a new stock, and it could calm down at some point. But, for now, it's showing a tendency for big intraday moves. That's some ...