In the following video, Matt Giannino from Market Moves describes in great detail the secrets of the Advance Decline Index ($ADD). TickSurfers has added various modes of calculation to this indicator to allow you to toggle between standard ADD values or ADD ratio and breadth.
Related documentation:NOTE: TickSurfers is not affiliated with Matt Giannino or Market Moves and does not earn commissions for promoting this video. For educational purposes only.