xel_arjona

GEOMETRIC STANDARD DEVIATION BANDS v1 by @XeL_Arjona

GEOMETRIC STANDARD DEVIATION BANDS
Ver.1 By Ricardo M Arjona @XeL_Arjona

DISCLAIMER:

The Following indicator/code IS NOT intended to be a formal investment advice or recommendation by the author, nor should be construed as such. Users will be fully responsible by their use regarding their own trading vehicles/assets.

The embedded code and ideas within this work are FREELY AND PUBLICLY available on the Web for NON LUCRATIVE ACTIVITIES and must remain as is.


WHAT'S THIS?

This IS NOT the wheel "Re-Invention"... This is exactly what the name says: A pair of Envelope Bands to measure "volatility", constructed at statistical relation from within price series and their Rolling back MEAN ( Simple Moving Average ). YES, What Mr. Bollinger did and put it's name to this simple, cleaver and popular formula.

This time, I took the time to make another simple mod, but seems to me to be quite functional in REAL VOLATILE assets like in the example chart: TO USE THEIR GEOMETRIC MODE!!

Cheers!
Any feedback or public modification(s) are quite welcome to the community....!

@XeL_Arjona
Apr 28 2016
Script de código abierto

Siguiendo el verdadero espíritu de TradingView, el autor de este script lo ha publicado en código abierto, para que los traders puedan entenderlo y verificarlo. ¡Un hurra por el autor! Puede utilizarlo de forma gratuita, aunque si vuelve a utilizar este código en una publicación, debe cumplir con las Normas internas. Puede marcarlo como favorito para usarlo en un gráfico.

¿Quiere utilizar este script en un gráfico?
//@version=2
study("GEOMETRIC STANDARD DEVIATION BANDS v1 by @XeL_Arjona", shorttitle="gSDB", overlay=true)
src = input(title="Candle Source:",type=source,defval=close)
p   = input(title="Rollback Mean:",defval=21)
s   = input(title="Deviation Envelope:",defval=2)
et  = input(title="EnvTYPE: [1]Cl | [3]Avg | [3]HiLo:",defval=2,minval=1,maxval=3)
// VARIABLES
cl = log(src)
hi = iff(et==1, log(src), iff(et==2,log(high), log(avg(src,high))))
lo = iff(et==1, log(src), iff(et==2,log(low), log(avg(src,low))))
// FUNCTIONS
// Standard Deviation from Custom Mid Point (Custom Bollinger)
cStdDev(array,mid,lb,mult,dir) =>
    std = stdev(array,lb)
    d = dir ? 1 : -1
    band = mid + d * mult * std
mean    = exp(sma(cl,p))
up      = exp(cStdDev(hi,sma(hi,p),p,s,true))
dn      = exp(cStdDev(lo,sma(lo,p),p,s,false))
// PLOT DIRECTIVES
plot(mean,color=blue,transp=0)
uband = plot(up,color=blue,transp=55)
dband = plot(dn,color=blue,transp=55)
fill(uband,dband,color=navy,transp=96)

Comentarios

Nice...am I understanding that this is like the std dev of the z value of the sequence with a log filter ...? It seems like a mlearning algo filter.
Responder
nice indi, thanks
Responder
xel, I know about 2 people that trade on a weekly chart. Not too many people have the capital for the drawdown that it can take. I hate bands for trading but if you can show me something that works on a 30 minute and less time frame then I am a believer.
Responder
xel_arjona Futuraman
@DCC This is not a trading strategy but a "re-construction" of an statistical tool based on standard-deviation's adjusted for log-normality at price. This could be used for trading or anything else you want. Mr. John Bollinger actually is who sell's books, curses, and I don't know what else regarding this kind of bands (in it's normal distribution form) with a "method" for doing money. (They say...)
Responder
Thanks for sharing valuable analysis !!!!!!!!!!!!!!!!!! Great work !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Responder
xel_arjona sudhir.mehta
Thanks for you comments @sudhir.mehta Hope it helps! ;)
Responder
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