Daily Range [Gorbie]

study(title="Daily Range Gorbie", shorttitle="Daily range: pips per (DAY)> EURCAD, USDCAD, GBPCAD, EURUSD, GBPUSD", overlay=false)
length = input(200, minval=1)
ec = security('EURCAD', "1D", sma(tr, length))
plot(ec,color=fuchsia,title='EURCAD')
uc = security('USDCAD', "1D", sma(tr, length))
plot(uc,color=red,title='USDCAD')
gc = security('GBPCAD', "1D", sma(tr, length))
plot(gc,color=blue,title='GBPCAD')
eu = security('EURUSD', "1D", sma(tr, length))
plot(eu,color=green,title='EURUSD')
gu = security('GBPUSD', "1D", sma(tr, length))
plot(gu,color=gray,title='GBPUSD')