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"If someone needs the best quality data and backfill beyond what their broker provides at a rate that is the best in the industry, I highly recommend IQFeed." - Comment from Josh via Public Forum
"Everything is working great with the API. I love it." - Comment from Calvin
"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
"Its working FABULOUSLY for me!! Holy cow...there has been so much I've been missing lately, and with this feed and Linnsoft software...I'm in the game now." - Comment from Chris R.
"I cannot believe what a difference it makes trading with ProphetX!" - Comment from Bruce in Los Angeles
"I just wanted to tell you what a fine job you have been doing. While *******, from what I hear, has been down and out, off and on, IQ feed has held like a champ this week." - Comment from Shirin
"If you are serious about your trading I would not rely on IB data for serious daytrading. Took me a while to justify the cost of IQ Feed and in the end, it's just a 2 point stop on ES. Better safe than sorry" - Comment from Public Forum
"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
"Awesome response, as usual. It is a sincere and refreshing pleasure to do business with DTN, compared to your competition." - Comment from Ryan
"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
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»Forums Index »IQFeed Developer »IQFeed Developer Support
Thread Started By Replies Views Last Post
Moderators: DTN_Gary_Stephen, DTN_Steve_S
No millisecond and microsecond timestamps JohnFellow 1 2124 Feb 29, 2016 04:58 PM
by DTN_Steve_S
@ES# D,W,M charts, MaxDataPoints(1000) only returning data back to 2014 (less than 1000) mattgundersen 0 1401 Feb 25, 2016 02:50 PM
by mattgundersen
Bid, Bid Time, Ask, Ask Time in Level 1 in protocol 5.2 Adyle0 8 2142 Feb 24, 2016 12:24 PM
by DTN_Tim Walter
Retrieve contract info ejzj1 3 1714 Feb 16, 2016 08:00 AM
by DTN_Tim Walter
do you filter any ECN when building bar series for stocks? kytmanov 1 1712 Feb 15, 2016 01:40 PM
by DTN_Steve_S
5.2 Set Protocol. Craig 2 1643 Feb 12, 2016 02:10 AM
by Craig
Market time in Admin STATS msg quickTick 2 1710 Feb 10, 2016 11:06 AM
by quickTick
Using IQFeed with C++ & Qt5 rfloydman 0 1949 Feb 8, 2016 11:40 PM
by rfloydman
Regarding streaming bars meanit 1 1362 Feb 5, 2016 12:12 PM
by DTN_Tim Walter
No Bid/Ask Sizes for Forex orenh 4 1969 Feb 1, 2016 09:07 AM
by DTN_Tim Walter
Incorrect real-time data USV 1 1523 Jan 29, 2016 08:21 AM
by USV
HELP with IQCONNECT memory spikes Rich_B 3 1643 Jan 25, 2016 04:18 PM
by DTN_Tim Walter
Random symbol not found errors with depth data eporter 9 1955 Jan 21, 2016 05:43 AM
by DTN_Tim Walter
IQFeed beta 5.2.0.6 is now available DTN_Tim Walter 0 1288 Jan 18, 2016 01:57 PM
by DTN_Tim Walter
How do I download 5.2 - When follow the links say 5.1 sam1964 5 2159 Jan 18, 2016 09:56 AM
by DTN_Tim Walter
CEO: 'No user specified' error Larry jag 16 1995 Jan 17, 2016 09:44 AM
by DTN_Tim Walter
5.2 Timestamp EUREX AHA 1 1581 Jan 15, 2016 02:35 PM
by DTN_Tim Walter
Bad Level 2 messages today eporter 5 2004 Jan 14, 2016 12:29 PM
by DTN_Tim Walter
New Subscriptions. Craig 1 1503 Jan 10, 2016 01:02 PM
by DTN_Tim Walter
IQFeed Fee for CME eminis & developer fee of developing a freeware tradingcomputer 1 1734 Dec 25, 2015 08:10 AM
by DTN_Jay_Froscheiser
Incorrect settles for 12/18? USV 2 1922 Dec 20, 2015 10:12 PM
by USV
Listed Market Open Close Times Available? tccharleton 1 1650 Dec 17, 2015 09:31 AM
by DTN_Tim Walter
Maximum Symbol Length quickTick 3 1715 Dec 11, 2015 02:29 AM
by quickTick
data delay in TXMD stock JoshRom 1 1602 Dec 8, 2015 10:57 AM
by DTN_Tim Walter
CMEMINI Time-Stamps Craig 5 1538 Dec 4, 2015 03:53 PM
by Craig
Level 1 Update Message Last Trade Time Always Ends With b tccharleton 7 2779 Dec 2, 2015 09:59 AM
by tccharleton
Cannot Connect via API tccharleton 1 1790 Dec 1, 2015 09:28 AM
by tccharleton
Symbol limit Aldebaran 2 2950 Nov 30, 2015 01:17 AM
by Aldebaran
Continuous contract back adjusted USV 2 2436 Nov 12, 2015 07:55 PM
by USV
NinjaTrader historical bid ask Jeremy 1 1818 Nov 10, 2015 11:13 AM
by DTN_Tim Walter
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