I may have misunderstood the complaint below, but I believe that
the last 2 messages actually referred to the fact that
AB does not READ or save the RT data of symbols that are not being
viewed (unless you run a scan on all the symbols…)
IB (TWS) can not know which ticker I am looking at in AB.
It is interesting how many times this subject comes up
Joseph Biran
____________________________________________
From:
amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Tomasz
Janeczko
Sent: Sunday, September 09, 2007 2:59 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Re: IB Backfill
Due to the limitations of TWS
(only ONE backfill at a time and throttling backfill request
for 3 minutes every 40
requests) there is a special method of backfilling all
symbols implemented that
steps through all symbols in RealTime Quote list one symbol at a time
(to address TWS limitation)
that waits until previous symbol is backfilled prior to starting new one.
Backfill Current option allows to force backfill of
currently selected symbol, while Backfill All RT quote window symbols
allow to force backfill of all symbols listed in Real-Time Quote window.
Backfill of multiple symbols is performed sequentially (one at a time) due to
limitations of TWS.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
Sent: Sunday, September 09,
2007 7:12 AM
Subject: [amibroker] Re: IB
Backfill
> Hi,
> I find it really annoying as well that IB does not backfill
> automatically if you are not directly looking at the specific
> ticker. I do the following.... I open the automatic analysis form,
> then I check the run every box and change the default to be every
> one minute for every ticker in my intraday database (i only have
> 40). There is never a "pregnant pause" waiting for the backfill
> switching looking for a new ticker. Hope this helps.
> Tony
>
> --- In amibroker@xxxxxxxxxxxxxxx, "murthysuresh" <money@xxx> wrote:
>>
>> put all the symbols in a watchlist and run a scan daily. you can
>> possibly mechanise it with batman and it will backfill it for you.
>>
>> --- In amibroker@xxxxxxxxxxxxxxx, "MountainTopTrader"
>> <mountaintoptrader@> wrote:
>> >
>> > The only way I get IB backfill to work is to double click on
> symbol
>> to
>> > display in chart. Otherwise, symbols in quote sheet will go
> weeks
>> without
>> > any backfill. Is there any way to get it to backfill all symbols
>> > automatically when connected?
>> >
>> > Earl
>> >
>> > _____
>> >
>> > From: amibroker@xxxxxxxxxxxxxxx
> [mailto:amibroker@xxxxxxxxxxxxxxx]
>> On Behalf
>> > Of murthysuresh
>> > Sent: Monday, August 27, 2007 12:32 PM
>> > To: amibroker@xxxxxxxxxxxxxxx
>> > Subject: [amibroker] Re: IB
Backfill
>> >
>> >
>> >
>> > http://www.amibroke <http://www.amibroker.com/ib.html>
> r.com/ib.html
>> > it will provide 30 days of backfill. but it is slow backfill
>> > --- In amibroker@xxxxxxxxx <mailto:amibroker%40yahoogroups.com>
>> ps.com,
>> > "billbarack" <wbarack@> wrote:
>> > >
>> > > I believe that I remember someone saying you can get up to
30
>> days RT
>> > > backfill from IB. Is this correct? or is EOD only?
>> > >
>> > > If so, how do you set it up. I played with the database
> settings
>> but
>> > > all I can get is about 3 hours of backfill on a 5 second
Base
>> Time
>> > > Interval.
>> > >
>> > > Can someone explain how this all works. I haven't found my
>> answers in
>> > > the documentation yet but if it is there, please point me in
> the
>> > right
>> > > direction.
>> > >
>> > > Thanks,
>> > >
>> > > Bill
>> > >
>> >
>>
>
>
>
>
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