//@version=4
study("DNV with lines", shorttitle="DNV",  format=format.volume, precision=3)

val = close * volume 


volcolor = close > open ? color.silver:color.gray
plot(val, title='Volume', color=volcolor, transp=0, linewidth=0, style=plot.style_columns)

dnvma = sma(val,50)
plot(dnvma, title="DNV MA", style=plot.style_line, color=color.black, transp=0)

// DNV RATIO
voltimes = (val/dnvma)
plot(voltimes, color=color.black, style=plot.style_line,transp=100)