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"I ran your IQFeed DDE vs. my broker vs. a level II window for some slow-moving options. I would see the level II quote change, then your feed update instantaneously. My broker's DDE, however, would take as much as 30 seconds to update. I am not chasing milliseconds, but half a minute is unacceptable." - Comment from Rob

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»Forums Index »Archive (2017 and earlier) »IQFeed 3rd Party Software Support »problem w IQfeed or quotetracker

Author	Topic: problem w IQfeed or quotetracker (2 messages, Page 1 of 1)
grady -Interested User- Posts: 7 Joined: May 22, 2005	Posted: May 22, 2005 08:28 PM Msg. 1 of 2 For the last 6 to 8 wks I have noticed a problem at the open at 9:30. My quotes will not update correctly for the first 2 -5 minutes. What I have noticed on time and sales is that quotes show up but they are all the same price which pretty much shows as the charts freezing also. The people at QT say its a back logging issue which I have no idea what that is I just know I have been trying to get a solution for this for quite a while now. What happens on a 1 min chart for instance the chart freezes at open then 2-5 later its seems to 'catch' and starts updating. Any ideas?
DTN_Jay_Froscheiser -VP, Product Operations- Posts: 1746 Joined: May 3, 2004 DTN IQFeed/DTN.IQ/DTN NxCore	Posted: May 23, 2005 08:36 AM Msg. 2 of 2 If QT says it is a backlogging issue, I assume they are talking about the internal queue in QT software processing the feed. There is a number under the "Stop" button that shows if data is queued. Is there a number there? If so, QT isn't able to process the data fast enough (usually caused by too slow a PC). If you can provide some more detail such as how many symbols you are watching, which symbols, how fast your PC is, etc we may be able to help. It is rare that a queue of data would last 2-5 minutes. Also, when this happens, what is your CPU utilization on your PC? Jay Froscheiser DTN - Trading Markets