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I have to say I've been using IQ Feed for about 6 months with
absolutely zero delay issues.
--- In amibroker@xxxxxxxxxxxxxxx, "przemyslawuk" <przemyslawuk@xxx> wrote:
>
> Hi,
> I have exactly the same problem. I t very frustrating to watch my
> charts moving, updating for 3 minutes after market close !!!
> And it is with 4 symbols only.
> I don't think the delay is AB fault (although I get a lot of problems
> with real time data feed which are definitively AB problems).
> I had IQfeed subscription to AB data feed and because of that delay
> I decided to switch to QuoteTracker data feed from IQFeed and I still
> get that delay, even with only one symbol streaming.
> You can try it yourself, QT is free and will work with AB data feed.
> Add one symbol to the portfolio and at the end of the day you will get
> that delay. In my case it actually works well until lunch and then the
> delay starts increasing.
>
> I was bombarding IQFeed with emails but they obviously say it is AB
> or my internet connection. I tryied with 3 different internet links
> and still the same problems. So it is IQFeed.
> It was working fine before this volatility came to the markets and
> whats irritating is that the problem doesn't go away on the "quiet"
> days now.
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@> wrote:
> >
> > TJ is. Why?
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "gsmservplus" <domantas.rudys@>
> > wrote:
> > >
> > > who is developing IQFeeD plugin for AB?
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@>
> > > wrote:
> > > >
> > > > You can also backfill after market close. And no, it is not AB
> > > fault or bug.
> > > > AmiBroker just displays what it receives from data source.
> > > > Data quality is solely dependent on data vendor.
> > > >
> > > > Best regards,
> > > > Tomasz Janeczko
> > > > amibroker.com
> > > > ----- Original Message -----
> > > > From: "gsmservplus" <domantas.rudys@>
> > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > Sent: Sunday, December 07, 2008 3:14 PM
> > > > Subject: [amibroker] Re: delays on iqfeed?
> > > >
> > > >
> > > > >
> > > > > tomasz,
> > > > >
> > > > > not everybody can do backfill before market open.i switch on my
> > > pc at
> > > > > 12 ET and i`ve got 200 ticker in my database. so, is it only
> > > chance
> > > > > to solve this problem to do like you said?
> > > > > and one more question.is it AB fault? because IQfeed cust serv
> > > said
> > > > > is everything alright from they side.
> > > > > any chance to fix it in the future if its AB bug?because it is
> > > > > nightmare, i f***d my database last thursday doing backfill
like
> > > you
> > > > > said through AA explore and wait for backfill ticked,but at 12
> > > > > ET.half of my database was with a wrong data.and even when i
try
> > > to
> > > > > backfill it today wrong data stays.only "force to backfill"
could
> > > > > help me.lost half a day to fix my database.
> > > > > thanks for your time
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@>
> > > > > wrote:
> > > > >>
> > > > >> Hello,
> > > > >>
> > > > >> It was discussed in the past. Correct procedure with IQFeed is
> > > > >> to start before market open, run single scan with "wait for
> > > > > backfill"
> > > > >> turned on. Do this BEFORE market open so IQFeed works faster.
> > > > >>
> > > > >> Once all symbols are backfilled and up-to-date you can turn
this
> > > > >> check box off and all symbols would stream and kept up-to-date.
> > > > >>
> > > > >> Please keep in mind that depending on symbols you use there can
> > > > >> be few hundreds of ticks per second per symbol to be processed,
> > > > >> so if you are tracking say 500 symbols, on high-activity
periods
> > > > >> (such as market open) you can receive as many as 50000 updates
> > > per
> > > > > second.
> > > > >> Each update is about 100 bytes, so to transfer such amount of
> > > data
> > > > >> you need 50000*100 BYTES per second and that is about 50 Mbps,
> > > > >> so 3Mbps internet connection is not enough to keep up with
such
> > > a
> > > > > stream.
> > > > >> (remember that connection speeds are expressed in BITS per
> > > second,
> > > > >> not bytes, and it takes 8 BITS to transfer one byte).
> > > > >>
> > > > >> Best regards,
> > > > >> Tomasz Janeczko
> > > > >> amibroker.com
> > > > >> ----- Original Message -----
> > > > >> From: "gsmservplus" <domantas.rudys@>
> > > > >> To: <amibroker@xxxxxxxxxxxxxxx>
> > > > >> Sent: Saturday, December 06, 2008 12:09 AM
> > > > >> Subject: [amibroker] Re: delays on iqfeed?
> > > > >>
> > > > >>
> > > > >> > could we expect any comments about this problem from Tomazs
> > > > > Janeczko?
> > > > >> > thanks
> > > > >> >
> > > > >> > --- In amibroker@xxxxxxxxxxxxxxx, "claudecaruana"
> > > > > <claudecaruana@>
> > > > >> > wrote:
> > > > >> >>
> > > > >> >> 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@>
> > > > >> >> 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
> > > > >> >> >
> > > > >> >>
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >> > ------------------------------------
> > > > >> >
> > > > >> > **** IMPORTANT ****
> > > > >> > This group is for the discussion between users only.
> > > > >> > This is *NOT* technical support channel.
> > > > >> >
> > > > >> > *********************
> > > > >> > TO GET TECHNICAL 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
> > > > >> >
> > > > >> >
> > > > >> >
> > > > >>
> > > > >
> > > > >
> > > > >
> > > > > ------------------------------------
> > > > >
> > > > > **** IMPORTANT ****
> > > > > This group is for the discussion between users only.
> > > > > This is *NOT* technical support channel.
> > > > >
> > > > > *********************
> > > > > TO GET TECHNICAL 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
> > > > >
> > > > >
> > > > >
> > > >
> > >
> >
>
------------------------------------
**** IMPORTANT ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
*********************
TO GET TECHNICAL 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
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