// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © maruful_bd_yhoo

//@version=5
indicator("~Bar Delta")

v =  volume
o = open
c = close
vbuy = 0.0
vsell = 0.0

if c > o
    vbuy := v * math.abs(o / c - 1)
if c < o
    vsell := v * math.abs(o / c - 1)

delta = vbuy - vsell

plot( delta, title="Bar delta", color = vbuy > vsell ? color.rgb(102,205,170) : color.rgb(51,51,51), style = plot.style_columns)