Despite volume being measured numerically, the actual individual quantitative value of volume is not relevant. Instead, traders and analysts shall look to the volume changes over time, which carries all of the weight of analysis.
with this study, a normalization is applied to volume histogram so to be able to plot it meangfully in conjunction with relative strenght index lines. For whom interested with the the actual quantitative value of volume, on specific exchange, a label is added displaying the quantitative value of volume at the time being under investigation