Highest Range

//@version=2
study(title='Function Highest/Lowest', overlay=true)
src = input(close)
length = input(10)

x = abs(open-close)
h = highestbars(x, length)
//l = lowestbars(src, length)
bcolor = h==0? yellow : na

barcolor(bcolor,title="Highest in Bar group")