Dynamic Momentum Gauge

//@version=5
indicator("Dynamic Momentum Gauge",overlay=false)
bgcolor(#000000c0)
len = input.int(100, minval=1, title="Length")
len1 = input.int(100, minval=1, title="Normalization Length")

m=0.0
src = input(close, title="Source")
r = (src / src[1] - 1) * 100
m := ((len-1)/len)*nz(m[1]) + r/len
s= math.abs(m)
a = hline(0.5,color=color.rgb(61, 61, 61),linestyle = hline.style_solid)
b = hline(1,"Min Momentum Run",color=color.rgb(29,213,96),linestyle = hline.style_solid)
c = hline(0,"Max Momentum Run",color=color.rgb(208, 35, 35),linestyle = hline.style_solid)

// Min-Max normalization
s_normalized = (s - ta.lowest(s, len1)) / (ta.highest(s, len1) - ta.lowest(s, len1))
plot1 = plot(s_normalized, color=s_normalized > 0.5 ? color.rgb(29,213,96) :color.rgb(208, 35, 35), title="Normalized Momentum",linewidth = 2)
fill(b,c,color.new(color.blue, 90))