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"I've been using IQFeed 4 in a multi-threaded situation for the last week or two on 2600 symbols or so with 100 simultaneous daily charts, and I have had 100% responsiveness." - Comment from Scott
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»Forums Index »Archive (2017 and earlier) »Data and Content Support »Latency of IQFEED
Author Topic: Latency of IQFEED (3 messages, Page 1 of 1)

-Interested User-
Posts: 11
Joined: Jan 20, 2008

Posted: Jan 20, 2008 04:50 PM          Msg. 1 of 3

As a prospective customer of IQfeed, I would like to know the latency of the product.
How fast is the feed?
Regarding the DDE to feed Excel,
Which is the rate of updates? 200ms? 100ms? 50ms? Or less?

Thank you



-VP, Product Operations-
Posts: 1746
Joined: May 3, 2004


Posted: Jan 21, 2008 05:59 AM          Msg. 2 of 3
IQFeed doesn't inject any delays on purpose. Thus, there is no way to say that there is an update rate of (x). The data will be pumped into Excel as fast as you PC allows. Slower PC's may see more lag, especially if you are watching a large number of symbols.

Jay Froscheiser
DTN - Trading Markets

-Interested User-
Posts: 12
Joined: Feb 2, 2007

Posted: Mar 11, 2008 01:33 AM          Msg. 3 of 3
For DDE, I would advise not exceeding 400-450 symbols depending on their activity. A couple of years ago I was able to receive 700-900 symbols via DDE but due to much higher tick/volume activity across the board, my computers can no longer process more than 400-450 symbols.
Edited by indextrader on Mar 11, 2008 at 01:34 AM


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