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That is interesting Michael, how does the price move with no one trading it?
Cheers,
Graham
http://groups.msn.com/asxsharetrading
http://groups.msn.com/fmsaustralia
-----Original Message-----
From: Michael.S.G. [mailto:OzFalcon@xxxxxxxx]
Sent: Thursday, 1 January 2004 9:01 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] More on data holes - for TJ
Even Worse,
The Stock price could move, But still no one trades in it, And you wouldn't
even know about it - IF you were using unpadded data!!!!
Michael.
At 11:54 PM 1/01/2004, you wrote:
>I Agree with Chuck here,
> Why on earth you would want unpadded data is beyond me. (For
>the reason of disrupting indicators).
>
>With unpadded data, If a stock simply had no trades for the day, then
>it would be ommited from the unpadded list of stocks. Not just wether
>it was actualy able to trade that day (Suspended or whatever).
>
>When I want a MA of the last 3 trading days - If I don't average in the
>day with 0 trades, Im not realy getting an MA of the last 3 days.
>
>Michael.
>
>
>At 10:47 PM 1/01/2004, you wrote:
> >Chuck,
> >
> >My question for you, however, is how do the various indicators and moving
> >average calculations deal with un-padded data holes. If I do a 5-day
MA,
> >for instance, and one of the days has no data, what would I get for the
> >MA? Same for RSI or any other indicator. It's taken me years to get
> >rid of data holes and find a data providor who will consistently pad
> >them for me so that indicators and other calculations work properly
> >(IMO).
> >
> >That's why I prefer unpadded data. I don't want 'artificial' data to
> >affect my indicators. The MA from unpadded data represents only real
> >trading days data. So if say there was no trading on friday, the MA
> >would represent 5 days before friday (previous friday, last monday,
> >tuesday, wed, thursday). From my *personal* point of view,
> >calculation of indicators should not be affected by bars
> >artificially added by padding process. But of course your preference
> >may be different and you can use padded data and include all bars
> >(including artificial ones with zero volume).
> >
> >Best regards,
> >Tomasz Janeczko
> >amibroker.com
> >----- Original Message -----
> >From: <mailto:chuck_rademacher@xxxxxxxxxx>Chuck Rademacher
> >To: <mailto:amibroker@xxxxxxxxxxxxxxx>amibroker@xxxxxxxxxxxxxxx
> >Sent: Wednesday, December 31, 2003 9:29 PM
> >Subject: [amibroker] More on data holes - for TJ
> >
> >TJ,
> >
> >Paul's plug-in and my conversion program could, if desired, create data
> >holes (consistently) for users who want them. I'm not trying to be
> >funny, but it is possible to leave a hole on those days when the volume
is
> >zero. We can forget about why anyone would want to do this. It can be
> >done and it would be 100% consistent rather than 15% consistent like
> >it is for most data providors.
> >
> >My question for you, however, is how do the various indicators and moving
> >average calculations deal with un-padded data holes. If I do a 5-day
MA,
> >for instance, and one of the days has no data, what would I get for the
> >MA? Same for RSI or any other indicator. It's taken me years to get
> >rid of data holes and find a data providor who will consistently pad
> >them for me so that indicators and other calculations work properly
> >(IMO).
> >
> >I could test to see how some of these calculations are affected... if
> >only I had some data holes!!
> >
>
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