1. Even if some shorts are in trouble (you don't know whether or not it's the same people as at the beginning of the run), others are willing to take their plac

1. Even if some shorts are in trouble (you don't know whether or not it's the same people as at the beginning of the run), others are willing to take their places. 2. Long whales also have plenty of incentive to sell. Namely they can bank their profits on a stock that is likely to collapse quickly