RicardoSantos

[RS]JR Flex Donchian Channel V0

89 0 5
-------------------request for jr, preliminary version untested--------------------
just testing stuff out...
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study("[RS]JR Flex Donchian Channel V0", overlay=true)
BB_Length = input(title='BB Length', type=integer, defval=10)
BB_Deviations = input(title='BB Deviations', type=integer, defval=2)
BB_Src = input(title='Source', type=source, defval=close)
//  ||---   BB
BB_Midline = sma(BB_Src, BB_Length)
BB_Deviation = stdev(BB_Src, BB_Length) * BB_Deviations
BB_Upper = BB_Midline + BB_Deviation
BB_Lower = BB_Midline - BB_Deviation
//  ||---   BBW
BB_Width = ((BB_Upper-BB_Lower) / BB_Midline)
//  ||---   DC
DC_Upper = BB_Width <= .010 ? highest(49) :
        BB_Width > .025 and BB_Width <= .050 ? highest(40) :
        BB_Width > .050 and BB_Width <= .075 ? highest(30) :
        BB_Width > .075 and BB_Width <= .100 ? highest(20) :
        BB_Width > .100 and BB_Width <= .125 ? highest(10) :
        BB_Width > .125 and BB_Width <= .150 ? highest(7) :
        BB_Width > .150 ? highest(3) : highest(2)

DC_Lower = BB_Width <= .010 ? highest(49) :
        BB_Width > .025 and BB_Width <= .050 ? lowest(40) :
        BB_Width > .050 and BB_Width <= .075 ? lowest(30) :
        BB_Width > .075 and BB_Width <= .100 ? lowest(20) :
        BB_Width > .100 and BB_Width <= .125 ? lowest(10) :
        BB_Width > .125 and BB_Width <= .150 ? lowest(7) :
        BB_Width > .150 ? highest(3) : lowest(2)

plot(DC_Upper)
plot(DC_Lower)
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