No Volume SVAPO [LazyBear] — Indicator by LazyBear

lazybear custom scripts svapo vervoort volume

This is a no-volume version of Vervoort's SVAPO. The original version is @

Short-term Volume And Price Oscillator [LazyBear]

Since it doesn't include volume in its calculations, you can use this on FX.

More info on SVAPO:
More info:

BTW, this is my 150th script. Plenty more to come, my to-publish queue is still full of new stuff :)

For a complete list of my other indicators, do check out the links below:
- GDoc:
- Chart:

List of my free indicators: bit.ly/1LQaPK8
List of my indicators at Appstore: blog.tradingview.com/?p=970

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Disclaimer

The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.

Want to use this script on a chart?

//
// @author LazyBear 
// List of all my indicators: 
// https://docs.google.com/document/d/15AGCufJZ8CIUvwFJ9W-IKns88gkWOKBCvByMEvm5MLo/edit?usp=sharing
//
study("No Volume SVAPO [LazyBear]", shorttitle="SVAPO_NOVOL_LB")
length=input(8, title="SVAPO Period", minval=2, maxval=20)
cutoff=input(1, title="Minimum %o price change", maxval=10, minval=0)
devH=input(1.5, title="Stdev High", maxval=5, minval=0.1)
devL=input(1.3, title="Stdev Low", maxval=5, minval=0.1)
stdevper=input(100, title="Stdev Period", maxval=200, minval=1)

calc_tema(s, length) =>
    ema1 = ema(s, length)
    ema2 = ema(ema1, length)
    ema3 = ema(ema2, length)
    3 * (ema1 - ema2) + ema3

calc_linregslope(C, tp) =>
    ((tp*(sum(cum(1)*C,tp)))-(sum(cum(1),tp)*(sum(C,tp))))/((tp*sum(pow(cum(1),2),tp))-pow(sum(cum(1),tp),2))

calc_OR2(x) => 
    y=x // To force expr evaluation
    (y == true) or (y[1] == true)

src=close
haOpen=(ohlc4[1] + nz(haOpen[1]))/2
haCl=(ohlc4+haOpen+max(high, haOpen)+min(low, haOpen))/4
haC=calc_tema(haCl, round(length/1.6))
vma=sma(src, length*5)
vave=vma[1]
vmax=2*vave
vc=iff(src<vmax, src, vmax)
vtr=calc_tema(calc_linregslope(src, length), length)
svapo=calc_tema(sum(iff(haC>(nz(haC[1])*(1+cutoff/1000)) and  calc_OR2((vtr>=nz(vtr[1]))), vc, iff(haC<(nz(haC[1])*(1-cutoff/1000)) and calc_OR2((vtr>nz(vtr[1]))),-vc,0)), length)/(vave+1),length)
plot(devH*stdev(svapo,stdevper), color=red, style=3)
plot(-devL*stdev(svapo,stdevper), color=green, style=3)
plot(0, color=gray, style=3)
plot(svapo, color=maroon, linewidth=2)