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"Excellent datafeed !!!" - Comment from Arely
"IQFeed version 4 is a real screamer compared to anything else I have seen." - Comment from Tom
"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 started a trial a few weeks back before the market went wild. DTN.IQ didn’t miss anything and beat my other provider. I decided to stay with you because of the great service through all the volatility." - Comment from Mike
"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
"Thank you so much - awesome feed, awesome service!" - Comment from Greg via Email
"Very impressed with the quality of your feed - ******* is a real donkey in comparison." - Comment from A.C. via Email
"Everything is working great with the API. I love it." - Comment from Calvin
"IQ feed is brilliant. The support is mind-bending. What service!" - Comment from Public Forum Post
"I just wanted to let you know how fast and easy I found it to integrate IQFeed into our existing Java code using your JNI client. In my experience, such things almost never go so smoothly - great job!" - Comment from Nate
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»Forums Index »IQFeed Developer »IQFeed Developer Support
Thread Started By Replies Views Last Post
Moderators: DTN_Steve_S, DTN_Tim Walter
C# sample program for Leve1Socket Lav2018 5 172 Yesterday @ 08:06 PM
by mathpaquette
Historical options data ovolansky 4 43 Yesterday @ 01:46 PM
by jonnyb
No way to query historical (expired) equity option chain symbols? hooji 15 6845 May 18, 2018 06:46 AM
by mathpaquette
Open source IQFeed C# Socket Client now available supporting protocol 5.2 mathpaquette 0 24 May 18, 2018 06:41 AM
by mathpaquette
LabelAtBeginning on Linux alex 1 63 May 14, 2018 08:43 AM
by DTN_Tim Walter
Treasury futures show non-tradable prices in Level2 updates aQuant 2 94 May 9, 2018 08:52 AM
by DTN_Tim Walter
Symbol suffix for 'rights' airporter 2 83 May 3, 2018 02:07 PM
by airporter
Daily not adjusted close price ovolansky 1 66 May 3, 2018 08:40 AM
by DTN_Tim Walter
Corrupted structure for historical data ovolansky 5 133 May 3, 2018 02:20 AM
by ovolansky
Price change updates after market close sgill 2 71 May 2, 2018 10:28 AM
by sgill
SPY historical jacknsa 1 73 Apr 30, 2018 12:58 PM
by DTN_Tim Walter
Open, High, Low, Volume, Bid, BidSize, Ask, AskSize are all reset to zero outside trading hours markzielinski 4 127 Apr 25, 2018 05:55 PM
by markzielinski
chronological order of ticks received? Lav2018 1 100 Apr 19, 2018 04:41 AM
by DTN_Tim Walter
Error message - 11582 Could not connect to History Socket ovolansky 1 94 Apr 18, 2018 07:17 AM
by DTN_Tim Walter
Mystery number ger579 3 197 Apr 6, 2018 01:56 AM
by DTN_Tim Walter
Realtime vs Historical tick resolution lgwaustralia 4 206 Apr 5, 2018 08:07 AM
by lgwaustralia
Not getting historical Tick data tester1 2 172 Apr 4, 2018 06:58 PM
by tester1
IQFeed Maximum Messages per Second gcarleu 2 169 Apr 4, 2018 01:18 PM
by gcarleu
Unable to get full Historical Data karthikkrishnan 1 165 Apr 3, 2018 07:49 AM
by DTN_Jay_Froscheiser
sample code karthikkrishnan 6 203 Apr 2, 2018 05:37 PM
by karthikkrishnan
Error on admin port ger579 4 134 Apr 2, 2018 05:20 PM
by ger579
Duplicate Q Messages jwelch 0 344 Mar 15, 2018 10:38 PM
by jwelch
How are derivative bars built? Lav2018 1 228 Mar 15, 2018 10:29 AM
by DTN_Tim Walter
Extended Fundamental Data and Price Increase Questions jonnyb 4 286 Mar 14, 2018 02:33 PM
by DTN_Jay_Froscheiser
Asking about historical data timestamps. lgwaustralia 7 549 Mar 6, 2018 03:21 AM
by lgwaustralia
MaxDatapoints in historical tick queries Denny 2 364 Feb 28, 2018 06:17 PM
by Denny
All ticks Historical data requests seldom work fatdan 9 1343 Feb 25, 2018 01:27 PM
by DTN_Tim Walter
Historical early market close via API? davhol_03086 2 361 Feb 23, 2018 06:02 AM
by DTN_Tim Walter
no data maverick 0 433 Feb 7, 2018 01:22 PM
by maverick
Making multiple simultaneous history lookup requests bigjake 3 557 Feb 1, 2018 11:00 AM
by DTN_Tim Walter
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