//@version=4
study(title="均线系统", shorttitle="均", overlay = true )
sma20 = sma(close,20)
sma60 = sma(close,60)
sma120 = sma(close,120)
ema20 = ema(close,20)
ema60 = ema(close,60)
ema120 = ema(close,120)
plot(sma20,color=color.black,title="SMA20")
plot(ema20,color=color.new(color.black,50),title="EMA20")
plot(sma60,color=color.blue,title="SMA60")
plot(ema60,color=color.new(color.blue,50),title="EMA60")
plot(sma120,color=color.purple,title="SMA120")
plot(ema120,color=color.new(color.purple,50),title="EMA120")
cond=barstate.islast
bl=low
moveBar = input(0)
x20=input(20)+moveBar
x60=input(60)+moveBar
x120=input(120)+moveBar
plot(cond?bl[20]:na,color=#FFC40C,linewidth=5,offset=-x20,style=plot.style_circles,transp=0)
plot(cond?bl[60]:na,color=#FFC40C,linewidth=5,offset=-x60,style=plot.style_circles,transp=0)
plot(cond?bl[120]:na,color=#FFC40C,linewidth=5,offset=-x120,style=plot.style_circles,transp=0)
