2BB_5EMA

//@version=3

// Jchinh
// 3 EMA en 1 Indicador and 2 bollinger band
// 3 Medias Móviles Exponenciales en un Indicador

//@version=3
study(shorttitle="Jchinh", title="3 EMA 132134", overlay=true)
m1 = input(13, minval=2)
m2 = input(21, minval=2)
m3 = input(34, minval=2)
m4 = input(55, minval=2)
m5 = input(100, minval=2)

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

media_1 = ema ( src , m1 )
media_2 = ema ( src , m2 )
media_3 = ema ( src , m3 )
media_4 = ema ( src , m4)
media_5 = ema ( src , m5)

plot(media_1, color=red)
plot(media_2, color=orange)
plot(media_3, color=purple)
plot(media_4, color=black)
plot(media_5, color=blue)

//study(shorttitle="jchinh2BB", title="Bollinger Bands double", overlay=true)
source = close
length = input(20, minval=1), mult1 = input(2, minval=0.001, maxval=50), mult2 = input(1, minval=0.001, maxval=50)
basis = sma (source, length)
dev1 = mult1 * stdev(source, length)
dev2 = mult2 * stdev(source, length)
upper1 = basis + dev1
lower1 = basis - dev1
upper2 = basis + dev2
lower2 = basis - dev2
plot(basis, color=green)
plot(upper1, color=green)
plot(lower1, color=green)
plot(upper2, color=green)
plot(lower2, color=green)