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»Forums Index »IQFeed Developer »IQFeed Developer Support »Regarding streaming bars
Author Topic: Regarding streaming bars (2 messages, Page 1 of 1)

meanit
-Interested User-
Posts: 1
Joined: Feb 5, 2016


Posted: Feb 5, 2016 11:16 AM          Msg. 1 of 2
I am watching 1 min streaming bars for around 488 stock symbols. I have noticed the following behavior and wanted to know if this is as expected or not. I am using only 1 connection in my program. And IQConnect memory usage is 4MB during the run. Upon receiving the bars, I am only doing things like adding it to a local list in memory and log the message to the file for diagnostics purpose.

Among these symbols I am watching, the time difference between the first bar I got and the last one I got is ~57 seconds which means for the Nth min bar, quite some bars are not received until Nth + 57s.

Also noticed that for several symbols, the delay is even more severe (more than 2 minutes).

DTN_Tim Walter
-DTN Guru-
Posts: 1204
Joined: Apr 25, 2006


Posted: Feb 5, 2016 12:12 PM          Msg. 2 of 2
Hello,

Streaming bars will only update when a trade occurs. So if there is a couple minute or longer break in data, you will see a delay in the time before you get an update message to match. And while 4 is probably lower than I would expect to see by a few MB, it sounds like all of your operation is normal.

Tim
 

 

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