合併//@version=3
study(title="Moving Average Exponential x 4", shorttitle="EMA", overlay=true)
len50 = input(50, minval=1, title="First")
src50 = input(close, title="Source")
out50 = ema(src50, len50)
plot(out50, title="EMA - 1", color=#fc4c2a, linewidth=4, transp=0)
len100 = input(100, minval=1, title="Second")
src100 = input(close, title="Source")
out100 = ema(src100, len100)
plot(out100, title="EMA - 2", color=#35b4b8, linewidth=4, transp=0)
len200 = input(200, minval=1, title="Third")
src200 = input(close, title="Source")
out200 = ema(src200, len200)
plot(out200, title="EMA - 3", color=#2e3440, linewidth=4, transp=0)
len400 = input(400, minval=1, title="Fourth")
src400 = input(close, title="Source")
out400 = ema(src400, len400)
plot(out400, title="EMA - 4", color=#9b9e9e, linewidth=4, transp=0)
