20 SMA Cloud

//version=5
indicator("20 SMA Cloud", overlay=true)

// Input length for moving averages
length = 20

// Calculate the 20 SMA and 20 EMA
sma20 = ta.sma(close, length)
ema20 = ta.ema(close, length)

// Plot the SMA and EMA lines
plot(sma20, color=color.blue, linewidth=1, title="20 SMA")
plot(ema20, color=color.blue, linewidth=1, title="20 EMA")

// Fill the area between SMA and EMA to create a cloud
bgcolor = (sma20 > ema20) ? color.new(color.blue, 90) : color.new(color.blue, 90)
fill(plot(sma20), plot(ema20), color=bgcolor, title="SMA Cloud")