Currently number of bars to load in database setting is 10000. In my
experience, higher setting will only display/download more bar in my
chart. But still, some of the oldest is deleted. For example, roughly,
if I get new 10 bars, the first 10 bars in the previous chart will be
deleted. I don't even mark 'Limit number of saved quotations'.


--- In [email protected], "cstrader232" <[EMAIL PROTECTED]>
wrote:
>
> check number of bars to load settings in file, database settings and
in tools, preferences, data...
>   ----- Original Message -----
>   From: yokehg
>   To: [email protected]
>   Sent: Friday, May 12, 2006 11:12 PM
>   Subject: [amibroker] IB backfill also delete some past data?
>
>
>   Every time I update historical data (1 minute) using IB backfill
there
>   will be new bar in my chart (which it should be), but unexpectedly
it
>   will also get rid of some of the oldest bars.
>
>   I expect IB backfill will add new bars without deleting any
previous
>   historical data.I don't know whether it is because of my setting
or it
>   is how AB works.
>   Any explanation on this will be appreciated, thanks.
>
>
>
>
>
>
>   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 other support material please check also:
>   http://www.amibroker.com/support.html
>
>
>
>
>
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