Triple CCI + MA

study(title="Triple CCI + MA", shorttitle="Triple CCI")
length1 = input(6, minval=1)
length2 = input(14, minval=1)
length3 = input(24, minval=1)
ma_length = input(50, minval=1)
src = input(close, title="Source")
ma1 = sma(src, length1)
ma2 = sma(src, length2)
ma3 = sma(src, length3)
cci1 = (src - ma1) / (0.015 * dev(src, length1))
cci2 = (src - ma2) / (0.015 * dev(src, length2))
cci3 = (src - ma3) / (0.015 * dev(src, length3))
plot(sma(cci1, ma_length), color=green)
plot(cci1, color=red)
plot(cci2, color=blue)
plot(cci3, color=black)