Range over Volume 
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © GanesaPonraja
// set as a histogram and trade in direction of candles in 1 minute chart for all RoV values over 4.
plot ((atr(1)*4/(volume[0]/10)), style=plot.style_histogram)
hline(4,"action lne",color=color.blue,linestyle=hline.style_dotted, linewidth=2)
//@version=4
study("Range over Volume - use during Globex session NQ 1 minute for scalping") 