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Sigma Bands
The sigma bands chart is an indication of the overbought/oversold
nature of the time series. The dark center line through the data is a
long term trendline. The three lines above and below this trendline
are the 1, 2 and 3 standard deviations of the PERCENT CHANGE of the
actual data from the trendline. Anytime the data deviates above or
below two standard deviations from the trendline, an extreme condition
is indicated, and the probabilities for a reversal start to increase
dramatically. It's at these extreme conditions a trader should
consider changes in their positions.
Dusant
--- In Metastockusers@xxxxxxxxxxxxxxx, Manish Shah <shahmani1@xxxx> wrote:
> Do you know of any place when one can get literature on Sigma bands.
>
> For volume spurts you will have to compare volumes with a time period
> in the past. 50 per cent of what ?? Can you be more specific. I can
> give it a shot.
>
> Manish Shah
> shahmani1@xxxx
>
> ispi9 wrote:
> Try as I may I can not correctly write the formulae for the following
> 2 indicators
> >
> > 1) Sigma Bands also known as the HURST bands
> >
> > 2) I am trying to write an indicator that will show me when a
> > volume spike (indicator) has occurred
> >
> > a) I am trying to find companies that have had a sudden rise in
volume of
> > say 50%
> >
> > b) Trying to do a sweep of my data to find them
> >
> > 3) Any suggestions where I can look for other formulas on the internet
> >
> > Thanking you all in advance
> > ganndi
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