[amibroker] Re: Calculating RS

["levibreidenbach" <levib1@xxxxxxxxxxx>]

Please disregard message as I have solved my problem using beginvalue().  My question now is how does Amibroker calculate relative strength with the RelStrength function?


--- In amibroker@xxxxxxxxxxxxxxx, "levibreidenbach" <levib1@xxx> wrote:
>
>  My question is in regards to calculating relative strength of security compared to S&P500.
> > 
> > First, how does the AFL function RelStrength work?  If I enter RelStrength(MSFT), what exactly is calculated.  I understand there are an infinite number ways to calculate relative strength.
> > 
> > For this example, assume I have two arrays (S&P500 and other security).  S&P500 data goes back to 09/01/1988 and other security goes back to certain date later than 1988.  If I want to calculate relative strength based on the date of the last quote for the 'other security' as follows:
> > 
> > Relative Strength = (Pt/Mt) / (P0/M0)
> > 
> > where Pt is the security's price, Mt is the S&P500's value and P0 and M0 are the initial values (very 1st quote for security).
> > 
> > How do I determine P0, and then look the same number of bars back for S&P500.
> > 
> > I would like to do this for a number securities, so the date of the 1st quote will always be different.
> > 
> > Thanks
> > 
> > Levi
> >
>




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