gaaan

//@version=3
study("Top Bottom ",overlay=true)

per=input(14)
loc= low<lowest(low,per) and low<=lowest(low,per)
bottom=barssince(loc)

per2=input(14)
loc2= high>highest(high,per2) and high>=highest(high,per2)
top=barssince(loc2)

/////BUY-SELL/////
buy=top<bottom and top>bottom
sell=top>bottom and top<bottom
plotshape(buy, title= "Buy", location=location.belowbar, color=green, style=shape.arrowup, text="Buy")
plotshape(sell, title= "Sell",color=red, style=shape.arrowdown, text="Sell")

background = top < bottom ? blue : top > bottom ? red :
na
bgcolor(color=background, transp=85)