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"For anyone considering using DTN.IQ for a data feed, my experience with the quality of data and the tech support has been very positive." - Comment from Public Forum
"I just wanted to let u know that your data feed/service is by far the best!!! Your unfiltered tick data is excellent for reading order flow and none of your competitors delivers this quality of data!" - Comment from Peter via Email
"Version 4.0.0.2 has been working well for me and I appreciate that it is now a much tighter client to work with. I feel I can go to press with my own application and rely on a stable platform" - Comment from David in IA.
"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
"Excellent datafeed !!!" - Comment from Arely
"I used to have *******, but they are way more money for the same thing. I have had no probs with data from DTN since switching over." - Comment from Public Forum Post
"Previously I was using *******. IQFeed is WAY more economical, and for my charting needs is just as good, if not better." - Comment from Public Forum Post
"I just wanted to say how happy I am with your service. I was able to download the API docs last week and I was able to replicate Interactive Brokers historical bar queries and realtime bar queries over the weekend. That was about one of the fastest integrations that I've ever done and it works perfectly!!!!" - Comment from Jason via Email
"If someone needs the best quality data and backfill beyond what their broker provides at a rate that is the best in the industry, I highly recommend IQFeed." - Comment from Josh via Public Forum
"Everything is working great with the API. I love it." - Comment from Calvin
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otabek has contributed to 1 posts out of 21191 total posts
(0.00%) in 4,016 days (0.00 posts per day).
20 Most recent posts:
Hello!We have application, which create multiple asyncronius sockets to level 1 port , one socket for one ticker, about 200.. In iqfeed version 4.9.0.3 we had no problem...Everything worked very well... After updating to last version 5.0.0.11, when application trys to connect to level 1 port via async sockets, iqconnect send such error:
Error: Out of memory.
Box: small information box.
Title in window of box: iqconnect.
Icon: exclamation mark in a yellow triangle (means warning).
After deleting newest version and install older version 4.9.0.3 - everything work without any problems...
After some observe, we found, in older version one socket occupies about 2MB of memory, in the newest version occupies more 8Mb for one sockets....
Please, explain, what can help us?
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