Deviation Clouds (TV)

//@version=5

// Deviation Clouds: ERD74

indicator(shorttitle="Deviation Clouds", title="DClouds", overlay=true)

// --- Moving Average Inputs ---

src = input.source(close, title="Source")

basisLength = input.int(20, minval=1, title="MA Length")

basisMaType = input.string("SMA", title="Moving Average Type", options=["SMA", "EMA", "WMA", "HMA"])

// --- Standard Deviation Inputs ---

mult = input.float(1.0, minval=0.001, maxval=50, title="Standard Deviation 1")

mult2 = input.float(1.5, minval=0.001, maxval=50, title="Standard Deviation 2")

mult3 = input.float(2, minval=0.001, maxval=50, title="Standard Deviation 3")

// --- Custom MA Function (Calculates selected MA type) ---

f_get_ma(maType, source, len) =>

    float maValue = na

    if maType == "SMA"

        maValue := ta.sma(source, len)

    else if maType == "EMA"

        maValue := ta.ema(source, len)

    else if maType == "WMA"

        maValue := ta.wma(source, len)

    else if maType == "HMA"

        maValue := ta.hma(source, len)

    maValue

// --- Basis and Deviation Calculations ---

basis = f_get_ma(basisMaType, src, basisLength)

dev = ta.stdev(src, basisLength)

dev1 = mult * dev

dev2 = mult2 * dev

dev3 = mult3 * dev

upper1 = basis + dev1

lower1 = basis - dev1

upper2 = basis + dev2

lower2 = basis - dev2

upper3 = basis + dev3

lower3 = basis - dev3

// --- Basis Color Logic (Green/Red) ---

colorBasis = src >= basis ? color.new(color.green, 0) : color.new(color.red, 0)

// Define 100% transparent colors for the bands

transparentRed = color.new(color.red, 100)

transparentGreen = color.new(color.green, 100)

// --- Plotting Cloud ---

pBasis = plot(basis, linewidth=2, color=colorBasis, style=plot.style_line, title="MA", trackprice=true)

// Plot Bands

pUpper1 = plot(upper1, color=color.red, style=plot.style_circles, title="Deviation 1 Upper", trackprice=true)

pUpper2 = plot(upper2, color=color.red, style=plot.style_circles, title="Deviation 2 Upper", trackprice=true)

pUpper3 = plot(upper3, color=color.red, style=plot.style_line, title="Deviation 3 Upper", trackprice=true)

pLower1 = plot(lower1, color=color.green, style=plot.style_circles, title="Deviation 1 Lower", trackprice=true)

pLower2 = plot(lower2, color=color.green, style=plot.style_circles, title="Deviation 2 Lower", trackprice=true)

pLower3 = plot(lower3, color=color.green, style=plot.style_line, title="Deviation 3 Lower", trackprice=true)

// --- Filling the Clouds ---

fill(pBasis, pUpper1, color=color.new(color.red, 40), title="Basis to Deviation 1 Upper Cloud")

fill(pUpper1, pUpper2, color=color.new(color.red, 60), title="Deviation 1 to Deviation 2 Upper Cloud")

fill(pUpper2, pUpper3, color=color.new(color.red, 80), title="Deviation 2 to Deviation 3 Upper Cloud")

fill(pBasis, pLower1, color=color.new(color.green, 40), title="Basis to Deviation 1 Lower Cloud")

fill(pLower1, pLower2, color=color.new(color.green, 60), title="Deviation 1 to Deviation 2 Lower Cloud")

fill(pLower2, pLower3, color=color.new(color.green, 80), title="Deviation 2 to Deviation 3 Lower Cloud")