//@version=3
study("20-50-100-200 Day SMA", overlay=true)

D20true= input(title="First MA on?", type=bool, defval=true)
res1=input(title="First MA Resolution", type=resolution, defval='D')
length1= input(title="First MA Length", type=integer, defval=10)
d20_sma = security(tickerid, res1, sma(close, length1))
plot(D20true ? d20_sma: na, title='First MA', color=red, linewidth=3)

D50true= input(title="Second MA on?", type=bool, defval=true)
res2=input(title="Second MA Resolution", type=resolution, defval='D')
length2= input(title="Second MA Length", type=integer, defval=20)
d50_sma = security(tickerid, res2, sma(close, length2))
plot(D50true ? d50_sma : na, title='Second MA', color=lime, linewidth=3)

D100true= input(title="Third MA on?", type=bool, defval=true)
res3=input(title="Third MA Resolution", type=resolution, defval='D')
length3= input(title="Third MA Length", type=integer, defval=50)
d100_sma = security(tickerid, res3, sma(close, length3))
plot(D100true ? d100_sma : na, title='Third MA', color=blue, linewidth=3)

D200true= input(title="Fourth MA on?", type=bool, defval=true)
res4=input(title="Fourth MA Resolution", type=resolution, defval='D')
length4= input(title="Fourth MA Length", type=integer, defval=100)
d200_sma = security(tickerid, res4, sma(close, length4))
plot(D200true ? d200_sma : na, title='Fourth MA', color=yellow, linewidth=3)

D10true= input(title="Fifth MA on?", type=bool, defval=true)
res5=input(title="Fifth MA Resolution", type=resolution, defval='D')
length5= input(title="Fifth MA Length", type=integer, defval=200)
d10_sma = security(tickerid, res5, sma(close, length5))
plot(D10true ? d10_sma : na, title='Fifth MA', color=yellow, linewidth=3)