[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[amibroker] Re: Standard Deviation as an indicator



PureBytes Links

Trading Reference Links

//P_FixedStDev

mean = MA(C,50);
lvmean = LastValue(mean);
sdmean = StDev(mean, 50);
top = LastValue(mean + sdmean);
bottom = LastValue(mean - sdmean);
 
Plot(lvmean, _DEFAULT_NAME(),1,1);
Plot(top, _DEFAULT_NAME(),1,1);
Plot(bottom, _DEFAULT_NAME(),1,1);


--- In amibroker@xxxxxxxxxxxxxxx, "droskill" <droskill@xxx> wrote:
>
> That solves some of it - so that gives me the upper and lower lines
> (over the entire range of the stock - not sure about that).  But I
> need the line that represents the current standard deviation from a
> 50d moving average.
> 
> Appreciate the help though - it's a good start for me.
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "wavemechanic" <timesarrow@> 
wrote:
> >
> > Something along these lines should work:
> > 
> > mean = cum(c) / (barcount -1);
> > lvmean = lastvalue(mean);
> > sdmean = stdev(mean, barcount -1);
> > top = lastvalue(mean + sdmean);
> > bottom = lastvalue(mean - sdmean);
> > 
> > plot(lvmean, ...
> > plot(top, ...
> > plot(bottom, ... 
> > 
> > Bill
> > 
> > ----- Original Message ----- 
> > From: "droskill" <droskill@>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Thursday, March 20, 2008 12:14 PM
> > Subject: [amibroker] Standard Deviation as an indicator
> > 
> > 
> > > Hey all - I'm trying to put together an indicator based on 
Standard
> > > Deviation.  The difference, from, say Bollinger Bands in this 
case is
> > > that I want to show the Std Dev from a moving average in terms 
of 1,2
> > > and 3 standard deviations from mean, where mean is an N day 
moving
> > > average.  So, the mean would be represented by a constant 
straight
> > > line on a chart, and then a line would go up/down around it.
> > > 
> > > For an example, check this out:
> > >
> http://www.indexindicators.com/charts/sp500-vs-sp500-50d-rsma-
params-3y-x-x/
> > > 
> > > I really don't know how to approach this - anybody have any
> > > thoughts/ideas?  Or maybe someone has done it before (or it's 
in AB
> > > already) and I just haven't found it.
> > > 
> > > Thanks!
> > > 
> > > 
> > > ------------------------------------
> > > 
> > > Please note that this group is for discussion between users 
only.
> > > 
> > > To get support from AmiBroker please send an e-mail directly to 
> > > SUPPORT {at} amibroker.com
> > > 
> > > For NEW RELEASE ANNOUNCEMENTS and other news always check 
DEVLOG:
> > > http://www.amibroker.com/devlog/
> > > 
> > > For other support material please check also:
> > > http://www.amibroker.com/support.html
> > > Yahoo! Groups Links
> > > 
> > > 
> > > 
> > > 
> > > 
> > > -- 
> > > No virus found in this incoming message.
> > > Checked by AVG. 
> > > Version: 7.5.519 / Virus Database: 269.21.7/1335 - Release Date:
> 3/19/2008 9:54 AM
> > > 
> > >
> >
>



------------------------------------

Please note that this group is for discussion between users only.

To get support from AmiBroker please send an e-mail directly to 
SUPPORT {at} amibroker.com

For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/

For other support material please check also:
http://www.amibroker.com/support.html
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/amibroker/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/amibroker/join
    (Yahoo! ID required)

<*> To change settings via email:
    mailto:amibroker-digest@xxxxxxxxxxxxxxx 
    mailto:amibroker-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    amibroker-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/