Si.Yang

Sy_VIX

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Sy_VIX
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//
// @author SiYang
// List of all my indicators: https://www.168520.com/
//
study("Sy_VIX", overlay=false)
pd = input(22, title="LookBack Period Standard Deviation High")
bbl = input(20, title="Bolinger Band Length")
mult = input(2.0    , minval=1, maxval=5, title="Bollinger Band Standard Devaition Up")
lb = input(50  , title="Look Back Period Percentile High")
ph = input(.85, title="Highest Percentile - 0.90=90%, 0.95=95%, 0.99=99%")
pl = input(1.01, title="Lowest Percentile - 1.10=90%, 1.05=95%, 1.01=99%")
hp = input(false, title="Show High Range - Based on Percentile and LookBack Period?")
sd = input(false, title="Show Standard Deviation Line?")

wvf = ((highest(close, pd)-low)/(highest(close, pd)))*100

sDev = mult * stdev(wvf, bbl)
midLine = sma(wvf, bbl)
lowerBand = midLine - sDev
upperBand = midLine + sDev

rangeHigh = (highest(wvf, lb)) * ph
rangeLow = (lowest(wvf, lb)) * pl


col = wvf >= upperBand or wvf >= rangeHigh ? lime : gray


plot(hp and rangeHigh ? rangeHigh : na, title="Range High Percentile", style=line, linewidth=4, color=orange)
plot(hp and rangeLow ? rangeLow : na, title="Range High Percentile", style=line, linewidth=4, color=orange)
plot(wvf, title="Williams Vix Fix", style=histogram, linewidth = 4, color=col)
plot(sd and upperBand ? upperBand : na, title="Upper Band", style=line, linewidth = 3, color=aqua)
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