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"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
"IQ feed is brilliant. The support is mind-bending. What service!" - Comment from Public Forum Post
"This beats the pants off CQG, I am definitely switching to the ProphetX 3.0!" - Comment from Stephen
"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'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 am keeping IQFeed, much better reliabilty than *******. I may refer a few other people in the office to switch as well." - Comment from Don
"Everything is working great with the API. I love it." - Comment from Calvin
"With HUGE volume on AAPL and RIMM for 2 days, everyone in a trading room was whining about freezes, crashes and lag with *******, RealTick, TS and Cyber. InvestorRT with IQFeed was rock solid. I mean SOLID!" - Comment from Public IRC Chat
"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 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
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»Forums Index »Archive (2017 and earlier) »IQFeed Developer Support
Thread Started By Replies Views Last Post
Moderators: DTN_Gary_Stephen, DTN_Steve_S
access IQConnect.exe by TCP from another computer mdafeed 1 3432 Oct 20, 2017 11:47 AM
by DTN_Steve_S
Trade Market Center values damarcant 1 4409 Oct 11, 2017 10:19 AM
by DTN_Tim Walter
Decoding Timestamps in Update Messages. Craig 10 4169 Oct 10, 2017 11:07 AM
by DTN_Tim Walter
NYSE Level 2 Ariloum 4 3591 Oct 6, 2017 08:01 PM
by Ariloum
HTT Request Ignoring Time tom_e 1 3966 Oct 6, 2017 05:26 PM
by DTN_Steve_S
HDX / HWX ddtrader 3 3205 Oct 4, 2017 01:27 PM
by DTN_Tim Walter
Historical API Issue AlexK 6 3649 Oct 2, 2017 12:21 PM
by DTN_Tim Walter
greeks / delta J 10 5836 Sep 27, 2017 08:17 AM
by J
Some aftermarket bars missing sweigner 2 3204 Sep 26, 2017 02:30 PM
by sweigner
Access to Historical Data. Craig 5 5978 Sep 20, 2017 06:09 PM
by Craig
IQFeed client connecting but no feed coming qzaqza15 2 3566 Sep 18, 2017 06:50 AM
by DTN_Tim Walter
historical daily data, which is split adjusted? J 6 6917 Sep 18, 2017 06:38 AM
by DTN_Tim Walter
Open IQFeed client on weekend qzaqza15 2 3920 Aug 21, 2017 11:15 PM
by qzaqza15
IQFeed news qzaqza15 3 3500 Aug 21, 2017 11:10 PM
by qzaqza15
IQFeed (Datafeed) client for Linux qzaqza15 6 5875 Aug 16, 2017 09:18 PM
by qzaqza15
Getting started with PHP illu 2 3671 Jul 28, 2017 03:47 PM
by illu
premature !ENDMSG! J 4 3722 Jul 23, 2017 07:43 PM
by J
Connection problem to IQFeed rlkessler 0 4631 Jul 18, 2017 09:23 AM
by rlkessler
History fetch sometimes returns "Unauthorized user ID" taa_dtn 9 4716 Jul 18, 2017 08:52 AM
by AlexBump
Preferred stocks - what is the formatting in a watch request? airporter 0 3258 Jul 6, 2017 04:59 PM
by airporter
Problem downloading VIX.XO - "Unauthorized user ID." bludev 1 4632 Jun 30, 2017 05:19 AM
by DTN_Tim Walter
Fast market probelm mac 3 4986 Jun 28, 2017 11:35 AM
by DTN_Tim Walter
Expired Equity/Index Options jcrivello 8 4759 Jun 27, 2017 06:13 PM
by freemind
Disconnection from IQConnect.exe RCA 10 5363 Jun 23, 2017 11:03 AM
by DTN_Tim Walter
bar data questions yzhao 2 3322 Jun 16, 2017 09:01 AM
by yzhao
Can not connect mac 2 4541 Jun 11, 2017 08:25 PM
by DTN_Jay_Froscheiser
Different percent held by institutions stats dawin_te 1 3339 Jun 5, 2017 11:23 AM
by DTN_Tim Walter
IqCommander --- c# zane 1 3951 May 6, 2017 12:54 AM
by zane
Historical OHLC bars for quotes (bid/ask)? vmitec 5 6549 May 1, 2017 10:13 AM
by jonnyb
IQConnect disconnect behavior mac 5 5197 May 1, 2017 08:29 AM
by DTN_Tim Walter
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