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RE: [amibroker] Re: Urgent! AB Real time displays incorrect data with IB data feed


  • To: <amibroker@xxxxxxxxxxxxxxx>
  • Subject: RE: [amibroker] Re: Urgent! AB Real time displays incorrect data with IB data feed
  • From: "Herman van den Bergen" <psytek@xxxxxxxx>
  • Date: Thu, 3 Mar 2005 07:38:28 -0500

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I cannot agree with you as i have not experienced this problem.
 
I am using AB realtime, minutes and ticks,  with IB data and Automated trading. I get very good response and fills can be as fast as the next tick after my signal. The IB-DLL definitely delivers prices way faster than eSignal DLL - it appears cleaner also. Also, because IB "filters/Snapshots" the data the overhead for your computer is less than with eSignal. I have set my chart to refresh at one minute, trade in ticks or 3-Minute timeframe.
 
I have not seen a noticable lag, we run two trading computers and do pay serious attention to quote delivery, we also often run two eSignal accounts in parallel. The only lag i have seen with the TWS was due to system/internet overload (my problem) or an occassional freeze of data, which also happens on the TWS. It is wise to develop some code to detect conditions that may adversely effect you. We also have seen data descrepencies between all data sources we tried (TWS, eSignal and QP2), not only between different sources but also (!!) between data from the same source as delivered to two different computers. I believe this is an internet problem.
 
Actually i am very happy with how the data feed works and am looking forward to the one-day back fill IB promised.
 
best regards,
herman
-----Original Message-----
From: sinhavishal [mailto:sinhavishal@xxxxxxxxxxx]
Sent: Wednesday, March 02, 2005 10:18 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Urgent! AB Real time displays incorrect data with IB data feed


Hi,
I suppose there is no solution to this great problem in AB.
Hence It can not be used as a real time trader.

Anybody is using it for real time really??

Thanks
Choco
--- In amibroker@xxxxxxxxxxxxxxx, "sinhavishal" <sinhavishal@xxxx> wrote:
>
> Hi,
>  The new IB.dll of AB and API 8.3 of TWS are not working properly.
> Has anybody noticed the differece in last price displayed in AB and in
> IB order management windows?
>
> There is a big lag. AB is displaying the last price which is for the
> last chart interval(Say 2Min). If there is price change in IB order
> management window due to few trades happening within the next 2
> minutes of the last printed bar in AB, AB does not show this IB price
> immediately ??
>
> The refresh rate for intraday refresh intrval is set to 3 secs and it
> does refreshes it every 3 secs. But the IB.dll plugin is not bringing
> the prices on this refresh from AB immediately.
>
> Infact sometime even when a new bar is printed in AB, the last traded
> price shown as close price of the bar is incorrect to what its
> displayed in IB order management window.
>
> I have synchronized my PC time to  Eastern US time and thats what time
> is diplayed in IB status bar too.
>
> If this issue is not resolved I think for real time trading purpose AB
> is of really no use.
>
> Thanks for your help
> Choco





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