EMA 20/25/50/150

//version=6
indicator(title="EMA 20/25/50/150", overlay=true)

shorter = ta.ema(close, 20)
short = ta.ema(close, 25)
longer = ta.ema(close, 50)
longest = ta.ema(close, 150)

plot(shorter, color = color.red)
plot(short, color = color.yellow)
plot(longer, color = color.orange)
plot(longest, color = color.blue)