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"Thanks for all of your help. Great customer service deserves to be recognized which one the reasons I've been a customer of DTN for over 10 years!" - Comment from Stuart
"DTN feed was the only feed that consistently matched Bloomberg feed for BID/ASK data verification work these past years......DTN feed is a must for my supply & demand based trading using Cumulative Delta" - Comment from Public Forum Post
"I am keeping IQFeed, much better reliabilty than *******. I may refer a few other people in the office to switch as well." - Comment from Don
"I had always used ******* but for the past 2 weeks have been trying DTN IQFeed. Customer support has been extraordinary. They call just to make sure your problem hasn't recurred." - Comment from Public Forum
"I'm very glad I switched to IQFeed. It's working perfectly with no lag, even during fast market conditions." - Comment from Andy 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
"Just a quick one to say I'm very impressed so far :) The documentation for developers is excellent and I've quickly managed to get an app written to do historical downloads. The system is very robust and pretty quick considering the extent of data that's available. The support guys have been very helpful too, in combination with the forums it's been plain sailing so far!" - Comment from Adam
"IQ feed is brilliant. The support is mind-bending. What service!" - Comment from Public Forum Post
"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
"IQ feed works very well, does not have all of the normal interruptions I have grown used to on *******" - Comment from Mark
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»Forums Index »NEW IQFEED FORUMS »IQFeed API Questions
Thread Started By Replies Views Last Post
Moderators: DTN_mark_e, DTN_ToddH
Level1 streaming data - char 'c' never comes in 'Message Contents' field LeeFox 2 415 Oct 28, 2023 11:39 AM
by LeeFox
How to get Open Interest value? yvo109 1 466 Sep 5, 2023 02:05 PM
by DTN_Gary_Stephen
c & s update Message Contents. Craig 28 666 Aug 22, 2023 02:42 PM
by DTN_Gary_Stephen
Futures Tick Data Out Of Order. Craig 7 442 Aug 22, 2023 01:54 PM
by DTN_Gary_Stephen
Connection refused jaesle 3 425 Jul 29, 2023 07:34 AM
by jaesle
VIX.XO 1 minute data Craig 5 401 Jul 20, 2023 11:10 AM
by DTN_Gary_Stephen
Option Chain Response missing "LC" Roberts 2 648 Jul 20, 2023 03:29 AM
by Roberts
Reqeusting opinions about using L2 Market by Order vs Market by Price (where applicable) mkvalor 0 400 Jul 18, 2023 11:31 PM
by mkvalor
16 second delay in receiving response to single bat HIT request mac 4 560 May 20, 2023 10:17 AM
by mac
5MS for CBOT_GBX? andrewm 2 523 May 18, 2023 10:32 AM
by DTN_Gary_Stephen
Connecting to API using TCP/IP via Excel VBA MegaBite 9 798 May 15, 2023 07:00 AM
by MegaBite
6.2 Install: Am I Missing Something. Craig 6 666 May 9, 2023 11:31 PM
by Craig
Only send updates for dynamic fields subscribed mac 1 410 May 8, 2023 04:37 PM
by DTN_Gary_Stephen
Internal socket _IQIF_SBL1 hangs under wine mac 3 564 May 8, 2023 01:33 PM
by DTN_Gary_Stephen
IQFeed Exiting After Reconnect. Craig 10 1373 May 1, 2023 02:19 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 IQFeed API documentation source? 		andrewNoah 15 8604 Oct 18, 2022 08:53 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 Streaming 5-second Interval Bars - Derivative Timing 		Kyle_Springtech 3 986 Oct 5, 2022 07:59 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 @ESM22 seems to be missing options 		stargrazer 12 1804 Jun 21, 2022 02:14 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 MBO data & BookMap 		jphiggs 1 1535 Jun 17, 2022 01:36 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 Issue using CEO command to download options tickers 		Mark Reiten 4 1156 Jun 15, 2022 10:06 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 5MS 5-min market summary 		somebody 6 3157 Jun 5, 2022 04:34 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 HTTP 1.1/ 400 Bad request response upon request 		alexfe 3 1188 May 24, 2022 03:44 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 How to find Future Contract 		xvz 6 1167 May 12, 2022 01:08 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 Questions about api 		dd 5 11534 Apr 12, 2022 04:43 AM
by vsdera
Moved from: IQFeed Developer Support
 FDS request error 		xvz 2 1155 Apr 11, 2022 10:37 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 Future previous contracts 		xvz 2 1298 Apr 7, 2022 01:13 PM
by xvz
Moved from: IQFeed Developer Support
 New to API, Basically C# question 		Vector12 3 1261 Apr 4, 2022 12:02 PM
by BottomFeeder
Moved from: IQFeed Developer Support
 FDS query history before 2019? 		philly 3 1755 Mar 28, 2022 03:24 PM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 Qn on Day Code on the Quote Stream 		MV_opt 1 1349 Feb 21, 2022 07:35 AM
by DTN_Gary_Stephen
Moved from: IQFeed Developer Support
 Is it possible to get daily historical data including current day? 		khandrey 1 1184 Feb 4, 2022 08:49 AM
by DTN_Gary_Stephen
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