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"I just wanted to say how happy I am with your service. I was able to download the API docs last week and I was able to replicate Interactive Brokers historical bar queries and realtime bar queries over the weekend. That was about one of the fastest integrations that I've ever done and it works perfectly!!!!" - Comment from Jason via Email
"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
"Just a thank you for the very helpful and prompt assistance and services. You provided me with noticeably superior service in my setup compared to a couple of other options I had looked at." - Comment from John
"IQFeed version 4 is a real screamer compared to anything else I have seen." - Comment from Tom
"You have an excellent feed. Very few spikes for Spot Forex." - Comment from Public Forum Post
"I ran your IQFeed DDE vs. my broker vs. a level II window for some slow-moving options. I would see the level II quote change, then your feed update instantaneously. My broker's DDE, however, would take as much as 30 seconds to update. I am not chasing milliseconds, but half a minute is unacceptable." - Comment from Rob
"I noticed that ******* quotes locked up shortly after the interest rate announcement yesterday while yours stayed stable." - Comment from Ron in Utah
"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
"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
"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
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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
Multiple Interval Watches on same symbol aamar 1 1662 Oct 9, 2021 03:47 PM
by altmany
Data Center Move? Craig 7 2371 Aug 14, 2021 12:20 PM
by DTN_Stephen
MICRO WTI CRUDE OIL FUTURES Docent 4 2554 Jul 29, 2021 06:53 AM
by anniebrewer07
Are transactions coming from the NTRF Market Center (Level 1) in real time? roustem 0 1654 Jul 27, 2021 02:06 PM
by roustem
Java API for IQFeed - IQFeed4j Petersoj 0 1946 Jun 11, 2021 06:08 PM
by Petersoj
Beta Client 6.2.0.16 Exec Registry updata 1 1884 Jun 11, 2021 03:16 PM
by DTN_Gary_Stephen
No data before 6/3/2021 newdoct 2 1643 Jun 11, 2021 01:46 PM
by newdoct
CRF Craig 1 1781 May 18, 2021 07:08 AM
by DTN_Stephen
4/12/21 Data Outage Status Updates (Page: · 1 · 2 ) jonnyb 31 7566 May 12, 2021 05:25 PM
by ryporter
can 5MS summary please be fixed? andrewm 0 2130 May 3, 2021 05:27 PM
by andrewm
How to Start IQfeed from Windows Services or Powershell kvigneshs 1 1842 Mar 31, 2021 08:00 AM
by DTN_Gary_Stephen
5MS has no terminating string after data completes andrewm 1 2245 Mar 29, 2021 11:22 AM
by DTN_Gary_Stephen
Derivative data ports problem lunarflint 0 1811 Mar 6, 2021 09:36 AM
by lunarflint
Real time data using HDX command for Historical Data via TCP/IP wojtazz9 1 2104 Jan 21, 2021 09:07 AM
by DTN_Gary_Stephen
Failure under recent version of Wine taa_dtn 4 2980 Jan 10, 2021 04:57 PM
by taa_dtn
Too many simultaneous history requests Zeruel 13 3030 Dec 28, 2020 09:55 AM
by DTN_Gary_Stephen
Trade Aggressor: wrong data Docent 2 1864 Dec 15, 2020 09:03 AM
by DTN_Gary_Stephen
Complete Errors List? dupek 2 2153 Aug 31, 2020 03:19 PM
by DTN_Gary_Stephen
KB Queued in Admin Status Message MV_opt 6 2872 Aug 25, 2020 06:14 AM
by DTN_Gary_Stephen
Connection error when using IQFeed in Linux Wine phaser 3 9149 Aug 24, 2020 07:14 AM
by DTN_Gary_Stephen
Log File Issues and One Drive MV_opt 1 2761 Aug 17, 2020 08:17 AM
by DTN_Gary_Stephen
Fundamental Data field order Roberts 4 2313 Aug 17, 2020 08:07 AM
by DTN_Gary_Stephen
Average Volume field in fundamental data altmany 3 2881 Aug 17, 2020 07:59 AM
by DTN_Gary_Stephen
Issue with @VX# data retrieval emil_kzk 5 2322 Jul 30, 2020 10:02 AM
by emil_kzk
Corrupted L1 data-in recent past on multiple products at 'random' times aQuant 28 5368 Jul 30, 2020 09:25 AM
by DTN_Gary_Stephen
Downloading Historical Intraday Future Ticks madman 3 2626 Jul 20, 2020 07:58 AM
by DTN_Gary_Stephen
Level 2 returning "U" messages. MV_opt 3 3049 Jul 8, 2020 05:36 PM
by MV_opt
Connect to Level 1 AND News Lookup at the same time Antoine LUCAS 1 2256 Jul 8, 2020 04:28 PM
by DTN_Gary_Stephen
Keeping up with L2 flow during busy market hours jmv 7 2726 Jun 24, 2020 06:51 AM
by DTN_Gary_Stephen
Time Zones included in Listed Markets(SLM) call MV_opt 5 3886 Jun 10, 2020 11:44 AM
by DTN_Gary_Stephen
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