An extension to "On Balance Volume Momentum (OBV Momentum)". "OBV Trend" is a trend strength 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 trend indicates a strengthening buy trend or a weakening sell trend, decreasing OBV trend indicates a strengthening sell trend or weakening buy trend. OBV trend is calculated by plotting a short vs. a long moving average and filling the difference in volume. OBV trend metric is absolute volume.