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"I cannot believe what a difference it makes trading with ProphetX!" - Comment from Bruce in Los Angeles
"The people at Nirvana have very nice things to say about your company and I can see why! Price and service is a potent combination." - Comment from Ed
"IQFeed version 4 is a real screamer compared to anything else I have seen." - Comment from Tom
"Thank you so much - awesome feed, awesome service!" - Comment from Greg via Email
"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
"Everything is working great ! Very impressive client. The news refreshes better and is more pertinent than the ******* feed I paid $ 100/month for. I Also like the charts a lot." - Comment from Leon
"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
"The service is great, I see a noticeable improvement in my volume profiles over [broker]'s data feed" - Comment from Larry
"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'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
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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
splits, renames, buyouts etc Sancho 1 25 Nov 20, 2017 01:51 PM
by DTN_Stephen
Issue with @VX# data retrieval david_leake 5 37 Nov 19, 2017 11:51 AM
by david_leake
How do I get daily info? pashute 1 69 Nov 10, 2017 07:18 AM
by DTN_Stephen
EOD Historical Dividend Adjustments jonnyb 28 3661 Nov 7, 2017 07:30 AM
by DTN_Jay_Froscheiser
Missing symbols or unknown mapping ddtrader 3 75 Oct 30, 2017 01:09 PM
by DTN_Stephen
IQFeed client update backwards compatibility sevteen 2 94 Oct 24, 2017 02:44 PM
by sevteen
Duplicate records for historical data sevteen 2 109 Oct 24, 2017 10:30 AM
by sevteen
Trade Market Center values damarcant 1 93 Oct 23, 2017 08:53 PM
by illuminatus7
Reading feed into app malcrob 4 122 Oct 21, 2017 01:37 PM
by stargrazer
access IQConnect.exe by TCP from another computer mdafeed 1 84 Oct 20, 2017 11:47 AM
by DTN_Steve_S
Trade Market Center values damarcant 1 96 Oct 11, 2017 10:19 AM
by DTN_Tim Walter
Decoding Timestamps in Update Messages. Craig 10 231 Oct 10, 2017 11:07 AM
by DTN_Tim Walter
NYSE Level 2 Ariloum 4 133 Oct 6, 2017 08:01 PM
by Ariloum
HTT Request Ignoring Time tom_e 1 115 Oct 6, 2017 05:26 PM
by DTN_Steve_S
HDX / HWX ddtrader 3 109 Oct 4, 2017 01:27 PM
by DTN_Tim Walter
Historical API Issue AlexK 6 132 Oct 2, 2017 12:21 PM
by DTN_Tim Walter
greeks / delta J 10 273 Sep 27, 2017 08:17 AM
by J
Some aftermarket bars missing sweigner 2 99 Sep 26, 2017 02:30 PM
by sweigner
Access to Historical Data. Craig 5 248 Sep 20, 2017 06:09 PM
by Craig
IQFeed client connecting but no feed coming qzaqza15 2 184 Sep 18, 2017 06:50 AM
by DTN_Tim Walter
historical daily data, which is split adjusted? J 6 316 Sep 18, 2017 06:38 AM
by DTN_Tim Walter
Open IQFeed client on weekend qzaqza15 2 319 Aug 21, 2017 11:15 PM
by qzaqza15
IQFeed news qzaqza15 3 234 Aug 21, 2017 11:10 PM
by qzaqza15
IQFeed (Datafeed) client for Linux qzaqza15 6 331 Aug 16, 2017 09:18 PM
by qzaqza15
Getting started with PHP illu 2 278 Jul 28, 2017 03:47 PM
by illu
premature !ENDMSG! J 4 258 Jul 23, 2017 07:43 PM
by J
Connection problem to IQFeed rlkessler 0 303 Jul 18, 2017 09:23 AM
by rlkessler
History fetch sometimes returns "Unauthorized user ID" taa_dtn 9 495 Jul 18, 2017 08:52 AM
by AlexBump
No way to query historical (expired) equity option chain symbols? hooji 12 5904 Jul 16, 2017 05:20 PM
by freemind
Preferred stocks - what is the formatting in a watch request? airporter 0 266 Jul 6, 2017 04:59 PM
by airporter
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