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Just thought I would add that I too have the same problem. It's a real pain. I ended up last
week using NinjaTrader to test if it was a problem only was IB, but NinjaTrader had no
problems at all. Some thing seems a miss with the Amibroker routines imo. I can even
begin to guess what though.
--- In amibroker@xxxxxxxxxxxxxxx, "noemeenswat" <noemeenswat@xxx> wrote:
>
> Hello Barry,
>
> Thanks for the suggestions, but that's not the solution for me. I've
> only added a couple of tickers yet. If I try to backfill them
> individually or all at ones doesn't make a difference. As a rule I
> do get this error.
>
> Data does come in. The live feed is fine. So I tend to say it has
> nothing to do with a bad ticker. There's only an issue when
> backfilling. Even when backfilling some data may come in, but if
> this error occurs the backfill is incomplete.
>
> Any other suggestions?
>
> Wilco
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Barry Scarborough"
> <razzbarry@> wrote:
> >
> > I have had this problem a number of times. One thing I did when I
> was
> > trying to back fill a new database was add the symbols and then go
> > through them one at a time by clicking on each symbol and letting
> it
> > back fill. Set the back fill to 30 days. Then when finished set
> the
> > back fill days to 1.
> >
> > You may have a bad ticker too. Usually I get an invalid ticker but
> > every once in a while I get this error. Going through your ticker
> > list one at a time will surface this problem.
> >
> > If you don't go through your ticker list once a day IB will not
> back
> > fill unused symbols. I created a formula that uses foreign to plot
> > every ticker in my data base and use that in the morning and
> evening.
> > I posted the formula yesterday. I will try to add it to the AFL
> > library today.
> >
> > Barry
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "noemeenswat" <noemeenswat@>
> > wrote:
> > >
> > > Hello,
> > >
> > > I'm trying to setup amibroker with an IB feed. Sometimes the
> > > backfill works fine. Most times however I get the error:
> > > "Error processing request:-'vb: cause- Duplicate ticker ID for
> API
> > > historical data query".
> > >
> > > I've tried different versions of Amibroker (versions 4.70, 5.00
> and
> > > 5.10) and different versions of the IB plugin (1.6.8, 1.7.0 and
> > > 1.7.1) all of them gave the same problem. I also tried to reduce
> > the
> > > backfill to 1 and 5 days. The changes of succes seem to be
> bigger
> > > with such a short backfill, but it is still unreliable.
> > >
> > > If I use quotetracker as a go between all seems to work like a
> > > charm. The only problem with the quotetracker solution is de
> > > backfill limitations built in quotetracker. A few days backfill
> is
> > > sufficient for day to day use. However if I want to research a
> new
> > > symbol or backfill the gaps after a vacation this solution is
> > > insufficient.
> > >
> > > Can someone please provide me with some hints to solve this
> problem?
> > >
> > > Many thanks!
> > > Wilco
> > >
> >
>
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