Phil Erlanger on "dumb" short sellers (2021)

For the past five years, "dumb" short sellers (those with a poor track record of making money on their short trades) have been the majority of short sellers.  It is particularly true that the recent jump in short selling was established by dumb short sellers.

~ Phil Erlanger, Phil Erlanger Research, April 8, 2021

(as quoted in Barron's, April 10, 2021)