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Guy:
Perhaps you might set up a sfotware company to market your some of your VB
systems.
Best wishes for the New year.
Lionel
-----Original Message-----
From: Guy Tann <grtann@xxxxxxxxxxx>
To: metastock@xxxxxxxxxxxxx <metastock@xxxxxxxxxxxxx>
Date: Thursday, December 31, 1998 8:04 PM
Subject: RE: Data Sevice (continuous data)
>Chuck
>
>We only use the C-bar to calculate trade profitability. All of our systems
>are based upon the daily price movement, so we need to include the prior
>day's close and then we develop all of our calculations from there.
>
>We do mostly proprietary systems that don't run in MetaStock. Use MS for
>charting. Trying now to use OLE to connect to Excel and our system there
>(also in Visual Basic).
>
>We have never been able to get MS to do our calculations, primarily because
>of how they appear to do their calculations (using the disk drive) and
their
>lack of variables.
>
>I haven't had the time to start playing with v6.5. Spent almost 6 months
>converting to MS for DOS and getting some of our stuff to run (and I've
been
>programming for over 30 years). Rather than play with MS anymore, I'm
>converting everything to VB and I have bought the MS File Library system so
>that I can access the MS data directly.
>
>Regards
>
>Guy
>
>
>> -----Original Message-----
>> From: owner-metastock@xxxxxxxxxxxxx
>> [mailto:owner-metastock@xxxxxxxxxxxxx]On Behalf Of Chuck Wemlinger
>> Sent: Thursday, December 31, 1998 4:05 PM
>> To: metastock@xxxxxxxxxxxxx
>> Subject: Re: Data Sevice (continuous data)
>>
>>
>> Guy,
>>
>> Thankyou, for your kind and informative reply. I guess that cash
settled
>> contracts can be switched near the last day whereas non cash settled must
>> avoid FND so must switch earlier. I can imagine some huge gaps
>> could occur
>> on some commodities. Do the SP500 gaps affect your indicators and system
>> tests, or does the C-Bar take care of that? I think you use
>> custom systems
>> that don't run in MS but rather in a program you developed.
>>
>> The reason I ask so many questions is that as I become more familiar with
>> system testing, I want to be sure I don't get false signals on say a two
>> year out of sample dataset that I may wish to test on.
>>
>> Chuck
>>
>> -----Original Message-----
>> From: Guy Tann <grtann@xxxxxxxxxxx>
>> To: metastock@xxxxxxxxxxxxx <metastock@xxxxxxxxxxxxx>
>> Date: Thursday, December 31, 1998 4:26 PM
>> Subject: RE: Data Sevice (continuous data)
>>
>>
>> >Chuck
>> >
>> >I guess that's why the continuous contracts normally go to the
>> last day and
>> >then switch, to minimize any major price discrepancy. I have
>> seen some big
>> >gaps though, over the years.
>> >
>> >In our own systems we maintain a field called C-Bar (C with a
>> bar over it).
>> >We also include the previous day's close in the current days prices.
>> >Therefore we are always able to determine the delta close (the amount
>> >today's close moved with respect to yesterday's close). That's
>> the number
>> >that gets added to the C-bar.
>> >
>> >In determining our P or L on a given trade, we take the C-bar on
>> the day we
>> >made the trade and either add or subtract today's C-bar (depending upon
>> >whether we're long or short) to come up with the total move basis close.
>> >This technique effectively wipes out any problems caused by switching
>> >contract months.
>> >
>> >Regards
>> >
>> >Guy
>> >
>> >>>>>SNIP<<<<<<<<
>>
>>
>
>
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