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OK, on futher evaluation, on sierra charts I have the back fill set
for maximum 5 day backfill, it goes and gets the data in increments
of 30 sec's, then reverts to second based data as it gets new data
from the API. This method, I find far superior. It allows enough
data to see what happened on prior days, sets up my indicators so
that I can intraday trade, and reverts to the fastest level for
actual trading.
Thomas, please consider the above approach as a plugin option, to
allow full 5-day backfill (at less resolution) when using tick or
second based database. A possibility could be to allow the 5-day
backfill at 30sec or 1m, then refill at the 5 sec, then at the 1sec
or tick level, to get the most and best data based on what the user
has set in their database. True, this would be a slower backfill
option, and plenty are whining about backfill speeds, but without
24h backfill minimum, I can't use Amibroker as an intraday trading
platform.
Thx,
--- In amibroker@xxxxxxxxxxxxxxx, "bj012859" <byronjames@xxxx> wrote:
>
> Hope I'm doing something wrong because I would rather use
amibroker
> because of the ease in programming; but, I am not getting even
close
> to the same backfills between the two products (using same
computer
> and same IB API. I read a message that stated that if you set the
> database to ticks then u will only get 1000 bars of data under
> amibroker. That's what it appears i'm getting with AB 4.73beta
and
> 1.43 plugin. Sierra chart is giving me 5 full days worth of
second-
> based data somehow (their sw is set up to provide 120 days, but 5
> day limitation is with IB).
>
> I use 250, 600 & 3000 volume charts for trading, hence second or
> tick based feed is critical. I like the way amibroker displays
the
> volume charts, much better than sierra, but can't get by with the
> extremely limited backfill provided through amibroker.
>
> The packages use the same IB API. I just don't get it. If there
> are any other sierra chart users here, please help Thomas to
> understand the difference in backfill methods, so that we can have
> the same amount of backfill data as sierra users.
>
> Thx,
>
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