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"You have an excellent product !!!!!!" - Comment from Arely
"The service is great, I see a noticeable improvement in my volume profiles over [broker]'s data feed" - Comment from Larry
"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 cannot believe what a difference it makes trading with ProphetX!" - Comment from Bruce in Los Angeles
"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
"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
"And by the way, have to say this. I love the IQFeed software. It's rock solid and it has a really nice API." - Comment from Thomas via RT Chat
"Thanks for the great product and support. During this week of high volume trading, my QuoteTracker + IQ Feed setup never missed a beat. Also, thanks for your swiftness in responding to data issues. I was on ******* for a few years before I made the switch over early this year, and wish I had done it a long time ago." - Comment from Ken
"I am very pleased with the DTNIQ system for quotes and news." - Comment from Larry
"IQ feed is brilliant. The support is mind-bending. What service!" - Comment from Public Forum Post
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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
Questions on upgrading to protocol 6.0 jonnyb 2 221 Jun 23, 2018 05:07 PM
by DTN_Tim Walter
OptionChain for BBD equity returns Options not aligned with definition ovolansky 2 120 Jun 21, 2018 03:50 AM
by ovolansky
Possible error in HTX functions series fabiodev 1 99 Jun 18, 2018 08:03 AM
by DTN_Tim Walter
IQLink/DDE problem Art_iqf 18 189 Jun 11, 2018 08:43 AM
by Art_iqf
Historical data requests in 64-bit VBA jonnyb 7 1467 Jun 11, 2018 05:36 AM
by DTN_Tim Walter
C# sample using sockets? svftech 5 3266 Jun 2, 2018 02:07 PM
by freemind
Simple C# Example, Anyone? squirlhntr 4 4190 Jun 1, 2018 03:02 PM
by freemind
Not receiving any data from any iqconnect port Sancho 1 152 May 24, 2018 09:47 AM
by DTN_Tim Walter
C# sample program for Leve1Socket Lav2018 5 322 May 22, 2018 08:06 PM
by mathpaquette
Historical options data ovolansky 4 162 May 22, 2018 01:46 PM
by jonnyb
No way to query historical (expired) equity option chain symbols? hooji 15 7199 May 18, 2018 06:46 AM
by mathpaquette
Open source IQFeed C# Socket Client now available supporting protocol 5.2 mathpaquette 0 144 May 18, 2018 06:41 AM
by mathpaquette
LabelAtBeginning on Linux alex 1 179 May 14, 2018 08:43 AM
by DTN_Tim Walter
Treasury futures show non-tradable prices in Level2 updates aQuant 2 193 May 9, 2018 08:52 AM
by DTN_Tim Walter
Symbol suffix for 'rights' airporter 2 189 May 3, 2018 02:07 PM
by airporter
Daily not adjusted close price ovolansky 1 166 May 3, 2018 08:40 AM
by DTN_Tim Walter
Corrupted structure for historical data ovolansky 5 243 May 3, 2018 02:20 AM
by ovolansky
Price change updates after market close sgill 2 178 May 2, 2018 10:28 AM
by sgill
SPY historical jacknsa 1 166 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 4 223 Apr 25, 2018 05:55 PM
by markzielinski
chronological order of ticks received? Lav2018 1 191 Apr 19, 2018 04:41 AM
by DTN_Tim Walter
Error message - 11582 Could not connect to History Socket ovolansky 1 176 Apr 18, 2018 07:17 AM
by DTN_Tim Walter
Mystery number ger579 3 281 Apr 6, 2018 01:56 AM
by DTN_Tim Walter
Realtime vs Historical tick resolution lgwaustralia 4 313 Apr 5, 2018 08:07 AM
by lgwaustralia
Not getting historical Tick data tester1 2 276 Apr 4, 2018 06:58 PM
by tester1
IQFeed Maximum Messages per Second gcarleu 2 269 Apr 4, 2018 01:18 PM
by gcarleu
Unable to get full Historical Data karthikkrishnan 1 287 Apr 3, 2018 07:49 AM
by DTN_Jay_Froscheiser
sample code karthikkrishnan 6 338 Apr 2, 2018 05:37 PM
by karthikkrishnan
Error on admin port ger579 4 221 Apr 2, 2018 05:20 PM
by ger579
Duplicate Q Messages jwelch 0 434 Mar 15, 2018 10:38 PM
by jwelch
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