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Re: [EquisMetaStock Group] backtest using Explorer..and Reference Function Problem



PureBytes Links

Trading Reference Links

You'll find the files at the links below. Start with Trade Equity LE or Trade Equity GV LE.
 
 
 
Regards
 
Roy
 
----- Original Message -----
From: hml_nyc
Sent: Thursday, October 06, 2005 5:08 PM
Subject: Re: [EquisMetaStock Group] backtest using Explorer..and Reference Function Problem

If they will help me in my system testing..of course...
pls recommend website

thanks


--- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@x...>
wrote:
> Hi hml
>
>
> Have you looked at using the Trade Equity indicators and
explorations for basic systems testing?
>
>
> Regards
>
> Roy
> www.metastocktops.co.nz
>

> ----- Original Message -----
> From: hml_nyc
> To: equismetastock@xxxxxxxxxxxxxxx
> Sent: Thursday, October 06, 2005 7:50 AM
> Subject: Re: [EquisMetaStock Group] backtest using Explorer..and
Reference Function Problem
>
>
> Hi Roy,
>
> You have the answer before i got a reply from Metastock.  Here is
> what Mr. Golson from Metastock wrote:
>
> The explorer tool of MetaStock was not intended to provide back
> testing capability.  It was intended to look for securities
meeting
> a given set of conditions.  Usually, it runs on only the most
recent
> data, however, as you know, this date can be shifted to an earlier
> value.  Regardless of what the date is, the explorer does not load
> any data after that date.  So if you had data from the current
date
> back to 1980 but set the exploration to calculate on the data
> 6/15/2004, then no data after 6/15/2004 would be loaded.  Since
this
> data is not loaded, the reference function with a positive value
is
> undefined.  As far as the explorer is concerned, there is no data
> after 6/15/2004.
>
> If you are trying to back test with the explorer then you will
need
> to change all formulas.  Use a negative reference on the buy
signal
> and no reference for the current price.  This would equate to
> saying, if I bought this security x days ago, what would it be
worth
> now."
>
>
> Although not intended as a backtesting tool, the Explorer can
> certainly can be used to backtest data.  "Specific date" in the
> Explorer Option is used for that specific purpose (unless one is
> using the most recent date)
>
> As suggested to change my formula by using negative reference and
no
> reference for the current date, this will work..but it is not the
> most efficient way.  This will require me to count backward to
find
> out which date was the signal trigger date for the sole purpose
> forcing an answer for current date. I would be better off to
> manually getting the closing price from another source.
>
> Equis can certainly improve its functionality and make Metastock a
> real backtesting software if this feature was available.
>
> HML
>
>
>
>
>
>
>
>
> --- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
> wrote:
> > Hi hml
> >
> >
> > This is not a fault with MetaStock. When you set an exploration
> date, all data following that date is excluded from the
exploration.
> You'll also find that running an exploration on current data and
> using a positive Ref() function also returns an N/A result. The
> simple reason is that you're trying to access data that doesn't
> exist, or in the case of 1/2/04, data that you have stipulated
must
> be ignored.
> >
> > A positive reference is only acceptable in the Explorer if it is
> offset by an equal or greater negative reference. In other words
if
> your overall formula is delayed (negative Ref()) by 20 bars from
> 2/1/04 then you can include in that formula a positive reference
> that allows you to look forward by up to 20 bars. You cannot
access
> data that occurs after what you define as the current bar.
> >
> >
> > Regards
> >
> > Roy
> > www.metastocktips.co.nz
> >
> > 
> > ----- Original Message -----
> > From: hml_nyc
> > To: equismetastock@xxxxxxxxxxxxxxx
> > Sent: Wednesday, October 05, 2005 10:19 AM
> > Subject: [EquisMetaStock Group] backtest using Explorer..and
> Reference Function Problem
> >
> >
> > I am using the Explorer to do backtest to earlier period.
> >
> > Eg.  In my Exploration, I use a "specific date" to test my
> Explorer
> > on all my stocks from A-Z.
> >
> > I use 1/2/04 as my Specific Date to test my Explorer to see which
> > stocks are selected as of 1/2/04.
> >
> > I would like to use the Reference function in the same Explorer
to
> > tell me what is the Closing price of the stock let say exactly
10
> > days later from 1/2/04
> >
> > Metastock Help said to use          Reference(C,+10)
> >
> > But that does not give me the answer.  It tell me N/A
> >
> > Does anyone experience the same problem?
> >
> > hml
> >
> >
> >
> >
> >
> >
> >
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