Those high prices can still go up, and squeeze them toward a margin call. People thought $100, then $200, $400 were high, yet it passed those by. Yes, it is ar

Those high prices can still go up, and squeeze them toward a margin call. People thought $100, then $200, $400 were high, yet it passed those by. Yes, it is artificial, but the capital you need when shorting (to cover your position) is very real, and with each price hike, it goes up.