Loma-EMAs-20-50-100-200-lightBackground.txt

//@version=5

indicator(title="Loma-EMA-l", shorttitle="Loma-EMA-l", overlay=false)

//ema 20
ema20Source = input(defval = close)
ema20Length = input.int(defval = 20, minval = 1)

//ema 50
ema50Source = input(defval = close)
ema50Length = input.int(defval = 50, minval = 1)

// ema100
ema100Source = input(defval = close)
ema100Length = input.int(defval = 100, minval = 1)

// ema200 - actually SMMA99
ema200Source = input(defval = close)
ema200Length = input.int(defval = 99, minval=1) 


//Declare EMA
ema20 = ta.ema(ema20Source, ema20Length)
ema50 = ta.ema(ema50Source, ema50Length)
ema100 = ta.ema(ema100Source, ema100Length)
EMA200() => 
    ema200 = 0.0
    ema200 := na(ema200[1]) ? ta.sma(ema200Source, ema200Length) : (ema200[1] * (ema200Length - 1) + ema200Source) / ema200Length


// Draw lines
plot(series=ema20, title="EMA20", color=color.red, linewidth=2, style=plot.style_line)
plot(series=ema50, title="EMA50", color=color.green, linewidth=2, style=plot.style_line)
plot(series=ema100, title="EMA100", color=color.black, linewidth=2, style=plot.style_line)
plot(series=EMA200(), title="EMA200", color=color.new(color.blue, 0), linewidth=3)