Resistance index
Histogram shows the market resilience as volume ratio to the true range. Area is EMA volume.
//@version=2
study("Resistance index", precision=2)
len = input (100)
r0 = volume/tr
r = r0 / sma(r0,len)
v0 = volume / sma(volume,len)
v = ema(v0,round(sqrt(len)))
plot(r, "Resistance", style = histogram, linewidth = 2, color = navy, transp = 50)
plot(v, "EMA Volume", style = area, color = #30A0E0, transp = 80)