Advance–decline (ADD, A/D)
Advancing stocks against declining stocks today, as a difference (ADD) or a ratio (A/D).
Formula
ADD = Advancers − Decliners A/D ratio = Advancers ÷ Decliners
How to read it
ADD strongly positive, or A/D well above 1: most stocks are up, whatever the index did.
How to use it
A running read of how many stocks are participating in the move.
In Kereon
Market. Across the desk's own list of liquid stocks, each compared with its previous close.
Also called: add, a/d, a/d ratio, advancers, decliners.