ETFs practice passive aggression

Finance professor Peter Kelly‘s research on the predictive power of insider sales at loss was featured in a Bloomberg opinion piece.

But Peter Kelly of the University of Notre Dame’s business school has published some fascinating research identifying an exception. Kelly says we need to look at whether sellers are selling for a profit or loss. Sales for a profit say little or nothing, but sales for a loss imply that very bad things are about to happen to the share price.