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Just to provide some additional information:
1. My database size is set to 500000, security type is STOCK, and I
successfully downloaded twice as much data from other provider
(opentick).
2. I never had "Request data on save" checked.
Don
--- In amibroker@xxxxxxxxxxxxxxx, "dturtle887" <dturtle887@xxx> wrote:
>
> Hi Tomasz,
>
> I initiated this thread because I encountered a
> sudden "disappearance" of AB at the end of a 1-year backfill of a
> single security (with 1-minute interval). The problem is
> reproducible (IB.DLL 1.7.0, AB 5.00.1, TWS 882.2, Win XP SP2).
Since
> the backfill happens in chunks of 5 (and later 4) days, almost all
> the data and be captured and saved manually (before AB quits). So
> getting the data is not the problem here. The problem is that AB
> quits at the end of 1-year backfills.
>
> There is another thing with 1-year backfills I noticed. I need RTH
> only (9:30am - 3:59pm) and have the appropriate setting set in the
> database settings. However, after the first 100-110 days or so the
> remaining data (140+ days) is from 9:30am to 4:59pm taking
> unnecessary space and resources for the extra hour.
>
> Thanks and regards,
> Don
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@>
> wrote:
> >
> > And it doesn't have to be repeated.
> >
> > 1. Go to File->Database Settings and make sure that you
> select "number of bars" large enough.
> > For 1 year it requires 260days * 8hours * 60 minutes per hour =
> 125000 bars for STOCKS
> > and 3 times more (375000) for futures (since 24 hours trading).
> >
> > 2. Go to File->Database Settings->Intraday settings and
> UNCHECK "Request data on save".
> >
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "dturtle887" <dturtle887@>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, May 20, 2008 2:50 PM
> > Subject: [amibroker] Re: Possible new IB data plugin problem
> >
> >
> > >I do NOT do EOD. I think that having 1 year of intraday data is
> not
> > > too much for backtesting intraday systems. Once downloaded, it
> does
> > > not have to be repeated for the same symbol.
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "reinsley" <reinsley@> wrote:
> > >>
> > >> Hello,
> > >>
> > >> TJ wrote these lines few days ago about 1.7.0 IB plugin...
> > >>
> > >> >> It does NOT take end-of-day data at all, it always gets
> intraday.
> > >> >> The plugin is NOT designed to be used in End-of-day mode.
> > >> >> It always downloads 1-minute quotes or 1-second quotes
> depending
> > >> > on base time interval.
> > >> >> This is strictly real-time data plugin for intraday
intervals.
> > >> >>
> > >> >> Using it for EOD is overkill, because there are zillions of
> > >> > times faster sources
> > >> >> that can download all US exchange quotes (AmiQuote, QP2,
etc)
> > >> >>
> > >> >> Best regards,
> > >> >> Tomasz Janeczko
> > >>
> > >> Regards
> > >>
> > >> --- In amibroker@xxxxxxxxxxxxxxx, "dturtle887" <dturtle887@>
> wrote:
> > >> >
> > >> > Hi,
> > >> > Has anyone experienced problems with the new IB plugin
1.7.0?
> I
> > > ran a
> > >> > long 1 year backfill for one symbol and at the very end AB
> quit -
> > > all
> > >> > new data lost. I repeated this twice with the same result.
I
> > > run the
> > >> > latest official version of AB 5.00.1 and never had any
> problems
> > > with
> > >> > the previous IB plugin version 1.6.8.
> > >> >
> > >> > Any feedback appreciated.
> > >> > Don
> > >> >
> > >>
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > 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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