This is the non-accumulating portion of the price-volume trend (PVT)--the amount by which PVT would change each bar--which I have turned into a zero-centered oscillator. The plot is a 9-day EMA of the PVT change, multiplied by 1000 for readability, with lime/red corresponding to whether the actual PVT increased or decreased for that bar.
As always, the length of...