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Hi,
I too experienced the same 2 problems.
As regards to the backfill problem, I resolved it by backfilling
through the AA window first, as opposed to manually pacing through the
symbols: I run a simple exploration with "wait for backfill" switched
on, on all quotations. Once this is done all quotes are updated and
streaming.
I have not yet found a solution for the IQFeed delay. All I can say is
that it appears when there are a considerable number of streaming
symbols - if I have 5-10 symbols only which are streaming then the
data is fine, but if I run the backfill on all my database (approx 450
symbols) then I am also experiencing a huge delay.
I do not think this delay is due to the connection speed - I am
currently putting it down to the processing speed of my PC and am
looking to upgrade, but I am not sure this will resolve the problem.
I currently work around this by only subscribing to the symbols I will
be using for the day (by running the above routine I mentioned only on
a watchlist), then I update all the other symbols at the end of the
day in order to stay updated from a historical perspective.
hope this helps. Let me know if you find out something else about the
IQFeed delay :)
claude
--- In amibroker@xxxxxxxxxxxxxxx, "gsmservplus" <domantas.rudys@xxx>
wrote:
>
> hello,
>
> AB 5.20,windows vista,iqfeed client 4.4.0.3,virgin uk broadband
> internet provider with up to 3 Mb speed.
>
> my problem is: when i load my iqfeed data base after some time i get
> time delays on my stocks, forex ant futures RT data compare with my
> PC time.every time delays are different from couple secs to over the
> minute.as longer i`ve got AB and IQfeed opened as bigger delay is.but
> it happens not always,but very often.IQfeed said is everything
> alright with my data and could be problem with software or ISP.
> p.s. time difference between IB TWS and my PC time is only couple(1-3
> sec.)seconds and never changes.
>
>
> another problem is: when i start AB and start go through my tickers
> to backfill current day data(as i understand it can backfill only 5
> tickers at the time, so every time when i start AB i`ve got to go
> through all my database,i have around 200 tickers database)sometimes
> some tiskers gives wrong data, i mean, only one very long candle for
> current with huge volume in hourly chart.after i start "force
> backfill"for those wrong ticker it gives right data then.and again it
> happens not always, but very often. and IQ feed cust.service told me
> could be problem with AB.
>
> any ideas about those two problems? thanks
>
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