HuangCheng

HC-MAS

20 0 1
moving average trends system
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study(title="Moving Average System",shorttitle="MAS",overlay=true)

// Inputs
legs = input(defval=3)
legm = input(defval=7)
legl = input(defval=15)

sd = input(true, title="Show dots?")
ccol = input(true,title="Change Color?")

// Calc
wwma(l,p) =>
    wwma = (nz(wwma[1]) * (l - 1) + p) / l
    
wmas = wwma(legs,close)
wmam = wwma(legm,close)
wmal = wwma(legl,close)


// Styling
cols = ccol ?( wmas > wmas[1] ? #D26900: #28FF28) : #D26900
colm = ccol ?( wmam > wmam[1] ? #D26900 : #28FF28) : #D26900
coll = ccol ?( wmal > wmal[1] ? #D26900F : #28FF28) : #D26900
x = cross(wmas,wmam)
y = cross(wmam,wmal)

// Plots
plot(wmas,linewidth=1,color=cols)
plot(wmam,linewidth=1,color=colm)
plot(wmal,linewidth=1,color=coll)

plot(sd and x ? wmas : na,style=circles, linewidth=6, color=black)
plot(sd and y ? wmam : na,style=cross, linewidth=6, color=purple)
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