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Re: [amibroker] Re: Accumulating IB backfill data ?



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you can accumulate 500,000 bars of data ... look at database settings

----- Original Message ----- 
From: "loveyourenemynow" <loveyourenemynow@xxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Friday, January 26, 2007 4:18 AM
Subject: [amibroker] Re: Accumulating IB backfill data ?


> Hi John,
> 
> I don't think you can go beyond 30000 bars in the database settings.
> I tried and it doesn't work, as I think is also explained in AB 
> manual.
> 
> Backfill is 30000 bars, but what I want is to store new data in real 
> time, so that over time there are more than 30000 bars.
> Right now I can only get the last 30000, so that for each new bar one 
> is loss from at the beginning of the database (oldest data are loss)
> Can you accumulate more than a month of 1 minute data the way you 
> said?
> 
> Thanks
> 
> Ly
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "John Tierney" <johntierney@xxx> 
> wrote:
>>
>> Ly,
>> 
>> In the Database Setting window you need to change 'number of bars' 
> field to
>> how ever many bars of 1-minute data you want to keep.  Assuming 24 
> hour
>> trading, you will need 1,440 bars per day.
>> 
>> 
>> John
>> 
>> -----Original Message-----
>> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]On
>> Behalf Of loveyourenemynow
>> Sent: Monday, January 22, 2007 4:28 PM
>> To: amibroker@xxxxxxxxxxxxxxx
>> Subject: [amibroker] Accumulating IB backfill data ?
>> 
>> 
>> Hi,
>> 
>> using the IB plugin in 1 minute backtest mode I can get 1 month 
> worth
>> of data, but new data overwrite old data so that I always end up 
> with
>> ony 1 month backfill.
>> Is there a way to keep storing data without loosing old one?
>> 
>> I think it can be done by exporting data with fput and then merging
>> appropriately different files or appending data, but I would like to
>> know if it can be done in same other AB built-in way.
>> 
>> Thanks
>> 
>> Ly
>> 
>> 
>> 
>> 
>> 
>> Please note that this group is for discussion between users only.
>> 
>> To get support from AmiBroker please send an e-mail directly to
>> SUPPORT {at} amibroker.com
>> 
>> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
>> http://www.amibroker.com/devlog/
>> 
>> For other support material please check also:
>> http://www.amibroker.com/support.html
>> 
>> Yahoo! Groups Links
>>
> 
> 
> 
> 
> Please note that this group is for discussion between users only.
> 
> To get support from AmiBroker please send an e-mail directly to 
> SUPPORT {at} amibroker.com
> 
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
> 
> For other support material please check also:
> http://www.amibroker.com/support.html
> 
> Yahoo! Groups Links
> 
> 
> 

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