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AFAIK there is a limit of 2000 bars in IB in 1-second mode that is also used by 5-second.
Other than that, you should be getting multiple-day backfill normally, if only
there are enough "number of bars" in File->Database Settings
http://www.amibroker.com/video/ib.html
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Barry Scarborough" <razzbarry@xxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Friday, August 29, 2008 3:11 PM
Subject: [amibroker] ZG backfill does not work
> Is anyone able to backfill data for the ZG contract using IB data? It
> works fine live but it will only backfill part of a day. On a 5 second
> database it will only backfill a few hours. On a minute database it
> back fills to 1:59 PM yesterday, less than one day. I have the backfill
> set to 30 days but that does not seem to work. On the 5 second database
> all it will allow me to select is minimum.
>
> I added QM and it will backfill 8/13, 8/14 and 8/28 and will not
> backfill minute data today prior to when I added the symbol. This is
> really weird.
>
> I added ER2 and it backfills 1 minute to midnight today and back to
> 8/28 at 3:43 PM.
>
> So what gives with backfill? I am in the simulated account but I
> thought I could back fill more data than that. Then I got a stupid
> pacing error trying to backfill three symbols.
>
> Thanks,
> Barry
>
>
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>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
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> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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> For other support material please check also:
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> Yahoo! Groups Links
>
>
>
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Please note that this group is for discussion between users only.
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