A combination of "On Balance Volume (OBV)" and "Volume Oscillator".
"OBV Momentum" is a trend momentum indicator, that can be used to identify strong trends and also trend changes based on volume.
High positive values indicate strong volume on the buy side, high negative values indicate strong volume on the sell side.
An increasing OBV momentum indicates a strengthening buy trend or a weakening sell trend,
decreasing OBV Momentum indicates a strengthening sell trend or weakening buy trend.
OBV Momentum is calculated by comparing a short vs. a long moving average and plotting the difference in volume.
OBV Momentum metric is absolute volume.