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Rik--
i do the same--- update from yahoo using the Current in AQ dropdown box.
yes it overwrites it with EOD, just like every time you update current it
overwrites the previous for today. In the evening, i switch back to
Historical and it overwrites with
EOD. check the volume when you do this and you'll see it overwrites it.
hth,
ron
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]On
Behalf Of Rik Rasmussen
Sent: Wednesday, May 25, 2005 5:04 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] intraday overwritten by EOD?
I am familiar with that, however, I can not determine if that contains an
answer to my question.
I am not fetching one minute data, I am just updating the daily bar all day
using the Amiquote "current day only" selection. Later in the evening if I
do a, EOD update I want to know if the single day, updated EOD bar will
overwrite the single day bar I have already created during the day.
In fact, if you download any period of data, does the new download overwrite
data already in the database?
I would assume both of the above situations of overwriting are the actual
behavior, but would appreciate any verification. I just want to be
comfortable that updated data is overwriting earlier data.
Thanks
Rik Rasmussen
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]On
> Behalf Of Graham
> Sent: Tuesday, May 24, 2005 11:32 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] intraday overwritten by EOD?
>
>
> from the help screens
>
> Working with intraday and daily charts
> If your data source supports mixed EOD/Intraday mode (such as eSignal
> or Marketcast) you can use single database for both types of charts.
>
> However if your data source does not support mixed EOD/Intraday mode
> and if you want to have long daily histories AND intraday charts you
> should consider running TWO instances of AmiBroker. One for EOD charts
> and second for intraday charting. Both may use the same real-time data
> source.
>
>
>
>
> On 5/25/05, Rik Rasmussen <hrasmussen@xxxxxxxxx> wrote:
> > If I run Amibroker/Amiqoute all day doing 1 minute updates from
> Yahoo, then
> > at night do an EOD download, will the EOD data overwrite the bar built
> > during the day?
> >
> >
> > Rik Rasmussen
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