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"I was on the phone with a friend who uses CQG and right after the Fed announcement, CQG was as much as 30 seconds behind DTN.IQ. Some quotes were off by as much as 15-18 cents. Your feed never missed a beat." - Comment from Roger
"I'm satisfied with IQFeed. It's the most reliable and fastest quote feed I have ever used. Although I'm a resident in China, it's still very fast!" - Comment from Xiaofei
"This is an excellent value, the system is generous (allowing for 500 stocks) and stable (and really is tick-by-tick), and the support is fantastic." - Comment from Shirin via Email
"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
"I would just like to say that IQFeed version 4 is running very well and I am very happy with its performance. I would also like to extend a big thanks for the fast and efficient help that I always receive. My questions and concerns are always addressed promptly. Way to go!" - Comment from Josh in CO.
"My broker in Davenport suggested I give you a try as he uses your service and says its the best." - Comment from Bill via RT Chat
"This beats the pants off CQG, I am definitely switching to the ProphetX 3.0!" - Comment from Stephen
"I have been using IQFeed now for a few years in MultiCharts and I have zero complaints. Very, very rare to have any data hiccups or anything at all go wrong." - Comment from Public Forum
"Its working FABULOUSLY for me!! Holy cow...there has been so much I've been missing lately, and with this feed and Linnsoft software...I'm in the game now." - Comment from Chris R.
"Thank God for your Data Feed as the only Zippers I see are on my pants (LOL), and no more 200 pip spikes to mess up charts." - Comment from Spiro via Email
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»Forums Index »IQFeed Developer »IQFeed Developer Support
Thread Started By Replies Views Last Post
Moderators: DTN_Gary_Stephen, DTN_Steve_S
Invalid Open in L1 summary message opttrade 4 1303 Nov 13, 2018 07:57 AM
by opttrade
avoiding settlement "ticks" for futures Lav2018 3 1315 Nov 1, 2018 08:54 AM
by DTN_Steve_S
Faulty tick for CVX opttrade 2 1431 Oct 24, 2018 01:53 PM
by opttrade
Streaming / Derivative data not working opttrade 5 1603 Oct 24, 2018 01:49 AM
by opttrade
Do you support corrections of historical symbols for DAILY prices alexus 1 1131 Oct 22, 2018 02:25 PM
by DTN_Steve_S
WAL Earnings. Craig 7 2151 Oct 19, 2018 03:57 PM
by DTN_Jay_Froscheiser
Delayed Data On CLM Craig 10 1619 Oct 11, 2018 02:43 PM
by DTN_Tim Walter
No way to query historical (expired) equity option chain symbols? (Page: · 1 · 2 ) hooji 58 21423 Oct 9, 2018 08:03 AM
by veng1
In search of developer with experience working with IQFeed Richard 6 1778 Sep 25, 2018 12:27 PM
by MyDtnForums
Historical requests - speed of retrieval fredericf 4 1673 Sep 21, 2018 02:02 PM
by fredericf
Livefeed symb fredericf 5 1521 Sep 20, 2018 12:00 PM
by DTN_Tim Walter
Extended Fundamental Data and Price Increase Questions jonnyb 6 3673 Sep 18, 2018 05:39 AM
by DTN_Jay_Froscheiser
Historical Tick Data Request Hours AK786 12 2736 Sep 11, 2018 12:55 PM
by bigjake
Historical Data question fredericf 10 2017 Sep 11, 2018 12:18 PM
by fredericf
Brent ICE problem Docent 8 1555 Sep 11, 2018 10:36 AM
by DTN_Tim Walter
Issue with HIT lookup message bigjake 3 1516 Sep 4, 2018 07:26 AM
by DTN_Tim Walter
Questions regarding option chain requesting homie70 6 2722 Aug 16, 2018 10:06 AM
by DTN_Tim Walter
Open source IQFeed C# Socket Client now available supporting protocol 5.2 mathpaquette 8 3371 Aug 15, 2018 08:21 AM
by data_collector
Update message format for index options homie70 1 1194 Aug 15, 2018 01:32 AM
by homie70
Market Scans Documentation MyDtnForums 0 1238 Aug 14, 2018 01:16 PM
by MyDtnForums
Outbound traffic JBEN 10 1269 Aug 9, 2018 08:11 AM
by DTN_Tim Walter
Spontaneous error 'Unauthorized user ID.' rust 6 2879 Aug 6, 2018 03:26 PM
by hfries
Questions on upgrading to protocol 6.0 jonnyb 4 2282 Jul 30, 2018 12:12 PM
by DTN_Tim Walter
C# sample using sockets? svftech 8 5544 Jul 17, 2018 03:08 PM
by AK786
Where is 6.0.0.5? jrojas 4 1457 Jul 16, 2018 08:21 AM
by DTN_Tim Walter
OptionChain for BBD equity returns Options not aligned with definition ovolansky 2 1491 Jun 21, 2018 03:50 AM
by ovolansky
Possible error in HTX functions series fabiodev 1 1256 Jun 18, 2018 08:03 AM
by DTN_Tim Walter
IQLink/DDE problem Art_iqf 18 1830 Jun 11, 2018 08:43 AM
by Art_iqf
Historical data requests in 64-bit VBA jonnyb 7 2708 Jun 11, 2018 05:36 AM
by DTN_Tim Walter
Simple C# Example, Anyone? squirlhntr 4 5572 Jun 1, 2018 03:02 PM
by freemind
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