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//@version=5

indicator(title="[NB] Indicator - Institutional Volume + RSI on Candles", shorttitle="[NB]IND.CandleInstVolume&RSI", overlay=true)

// INSTITUTIONAL VOLUME ON CANDLES

length = input.int(defval = 55, title="MA Volume Length", minval=2, group = "Institutional Volume")

thresholdExtraHigh = input.float(defval = 4, title="Extra High Volume Threshold", group = "Institutional Volume")
thresholdHigh = input.float(defval = 2.5, title="High Volume Threshold", group = "Institutional Volume")
thresholdMedium = input.float(defval = 1, title="Medium Volume Threshold", group = "Institutional Volume")
thresholdNormal = input.float(defval = -0.5, title="Normal Volume Threshold", group = "Institutional Volume")

mean   = ta.sma(volume, length)
std    = ta.stdev(volume, length)
stdbar = (volume - mean) / std

bcolor = stdbar > thresholdExtraHigh ? color.red :
  stdbar > thresholdHigh  ? color.orange :
  stdbar > thresholdMedium ? color.yellow :
  stdbar > thresholdNormal ? color.white :
  color.blue
  
barcolor(bcolor, title="Volume Threshold")


// RSI - BAR SIGNAL AND BULL BEAR AREA

src = close, len = input.int(defval = 14, minval=1, title="Length", group = "RSI on Candles")
up = ta.rma(math.max(ta.change(src), 0), len)
down = ta.rma(-math.min(ta.change(src), 0), len)
rsi = down == 0 ? 100 : up == 0 ? 0 : 100 - (100 / (1 + up / down))

src1 = close, len1 = input.int(defval=70, minval=1, title="Overbought Limit", group = "RSI on Candles")
src2 = close, len2 = input.int(defval=30, minval=1, title="Oversold Limit", group = "RSI on Candles")
len3 = input.int(defval=50, minval=1, step=1, title="BullBear Limit", group = "RSI on Candles")
sidewayFactor = input.int(defval = 5, minval = 0, maxval = 100, step = 1, title = "Sideways Factor %", group = "RSI on Candles")

isup() => rsi > len1
isdown() => rsi < len2
isBull() => rsi > len3*(1+(sidewayFactor/100))
isBear() => rsi < len3*(1-(sidewayFactor/100))
isSideway() => rsi < len3*(1+(sidewayFactor/100)) and rsi > len3*(1-(sidewayFactor/100))

colorBars = input.bool(defval = true, title = "Bar Coloring?", group = "RSI on Candles")
plotSignals = input.bool(defval = true, title = "Plot Signals?", group = "RSI on Candles")
plotBullBear = input.bool(defval=true, title = "Plot BullBear Area", group = "RSI on Candles")

plotshape(isup() and plotSignals, "RSI Overbought Signal", style = shape.triangledown, location = location.abovebar, color = color.red, editable = true, size = size.auto)
plotshape(isdown() and plotSignals, "RSI Oversold Signal", style = shape.triangleup, location = location.belowbar, color = color.green, editable = true, size = size.auto)
plotshape(isBear() and plotBullBear, "RSI on Bear Area", style = shape.diamond, location = location.top, color = color.orange, editable = true, size = size.tiny  )
plotshape(isBull() and plotBullBear, "RSI on Bull Area", style = shape.diamond, location = location.top, color = color.blue, editable = true, size = size.tiny)
plotshape(isSideway() and plotBullBear, "RSI on Sideway Area", style = shape.diamond, location = location.top, color = color.gray, editable = true, size = size.tiny)