PBKO - Progressive Break Out 2.0

//Break Out level by Leonardo Ciaccio 2014 ----------------
study(shorttitle="PBKO 2.0", title="Progressive Break Out 2.0", overlay=true)
//---------------------------------------------------------

//Input from user -----------------------------------------
length     = input(120, minval=1)
//---------------------------------------------------------

//---------------------------------------------------------
upper   = highest(length)
lower   = lowest(length)

FIBO_0_50   = (upper-lower)*0.5
FIBO_0_764  = (upper-lower)*0.764
FIBO_0_618  = (upper-lower)*0.618

plot(upper, color=olive, title='Upper')
plot(lower, color=red, title='Lower')

plot(lower+FIBO_0_764, color=#8DB8E3, title='FIBO 0.764/0.236')
plot(lower+FIBO_0_618, color=#51C44D, title='FIBO 0.618/0.382')
plot(lower+FIBO_0_50, color=#4C4EC2, title='Fibo 0.5', style=cross)
plot(upper-FIBO_0_618, color=#51C44D, title='FIBO 0.382/0.618')
plot(upper-FIBO_0_764, color=#8DB8E3, title='FIBO 0.236/0.764')
//---------------------------------------------------------