Re: [amibroker] ZG backfill does not work

["Tomasz Janeczko" <groups@xxxxxxxxxxxxx>]

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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> 
> 

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