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"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
"Very impressed with the quality of your feed - ******* is a real donkey in comparison." - Comment from A.C. via Email
"I would just like to say that IQFeed version 4 is running very well and I am very happy with its performance. I would also like to extend a big thanks for the fast and efficient help that I always receive. My questions and concerns are always addressed promptly. Way to go!" - Comment from Josh in CO.
"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
"DTN has never given me problems. It is incredibly stable. In fact I've occasionally lost the data feed from Interactive Brokers, but still been able to trade because I'm getting good data from DTN." - Comment from Leighton
"I am enjoying the feed very much - so superior to the broker provided feed I was previously using." - Comment from George
"Everything is working amazing now. I'm already impressed with the true-tick feed of IQFeed and it's ability to support my 480 symbol layout." - Comment from Tyler via Email
"I was with ******* for 4 years at $230 a month, this is a huge savings for me, GOD BLESS YOU PEOPLE," - Comment from T.S. via Email
"I have been using IQFeed now for a few years in MultiCharts and I have zero complaints. Very, very rare to have any data hiccups or anything at all go wrong." - Comment from Public Forum
"I was on the phone with a friend who uses CQG and right after the Fed announcement, CQG was as much as 30 seconds behind DTN.IQ. Some quotes were off by as much as 15-18 cents. Your feed never missed a beat." - Comment from Roger
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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
Link problem laughlin 6 78 Jan 18, 2017 08:35 PM
by laughlin
EOD Historical Dividend Adjustments jonnyb 24 2508 Jan 11, 2017 08:13 AM
by DTN_Tim Walter
Spontaneous error 'Unauthorized user ID.' rust 1 67 Jan 9, 2017 01:51 PM
by DTN_Tim Walter
IqCommander --- c# zane 0 43 Jan 7, 2017 01:53 AM
by zane
Getting Index Constituents / all US Equities yourabi 2 112 Dec 28, 2016 11:30 PM
by yourabi
C# samplem with tcp/ip (Page: · 1 · 2 ) seattle_guy 45 11671 Dec 5, 2016 07:30 PM
by sumrakkk
Last price between Bid/Ask range juliovknc 11 211 Nov 30, 2016 10:38 AM
by DTN_Tim Walter
API Fee? BlackSheep 3 457 Nov 22, 2016 06:06 AM
by DTN_Jay_Froscheiser
Problem With HIT Interval zane 5 206 Nov 15, 2016 11:01 AM
by DTN_Tim Walter
ESZ16 is missing intraday back fill for 11/7 mattgundersen 12 244 Nov 10, 2016 02:42 PM
by DTN_Tim Walter
Trouble downloading historic tick data malmberg 2 207 Nov 10, 2016 01:44 PM
by malmberg
How to get option chains for the past opttrade 2 185 Nov 7, 2016 04:01 PM
by opttrade
How to obtain historical data (OHLC) for current bars JJTrader 1 225 Nov 7, 2016 08:30 AM
by DTN_Jay_Froscheiser
SymbolDownload - not downloading multiple exchanges jigsawtrading 1 247 Oct 31, 2016 05:10 AM
by DTN_Tim Walter
Bad Level 2 NASDAQ quotes today eporter 1 205 Oct 24, 2016 12:17 PM
by DTN_Tim Walter
when busy trading,CPU usage up to 100% milcloud 3 236 Oct 22, 2016 08:01 AM
by milcloud
Symbols that trade over the weekend (Friday after hours, saturday, sunday) creeveshft 5 243 Oct 17, 2016 09:27 AM
by DTN_Tim Walter
need some help for Messate type milcloud 6 252 Oct 14, 2016 12:29 PM
by DTN_Tim Walter
Bad historical data on 2016-09-26 eporter 2 307 Oct 3, 2016 10:21 AM
by eporter
problems with IQFeed subscription rleggi 1 315 Oct 3, 2016 02:03 AM
by DTN_Tim Walter
missing .ffff in forex realtime feed zane 9 267 Sep 22, 2016 10:12 AM
by zane
ETF Symbols jonnyb 6 2244 Sep 20, 2016 09:53 AM
by jordangbarr
Summary Fieldname Error bejjani 4 243 Sep 20, 2016 08:27 AM
by bejjani
Level 1 Data bards 1 288 Sep 15, 2016 11:48 AM
by DTN_Tim Walter
Join history and realtime amethyste 1 269 Sep 15, 2016 08:26 AM
by DTN_Tim Walter
Level1 Quote API TickID Not Unique for Update Messages? bparvizi 3 296 Sep 14, 2016 06:19 PM
by bparvizi
Latency from Denver salemreyen 1 230 Sep 14, 2016 01:37 PM
by DTN_Tim Walter
Clarification on IQFeed API documentation salemreyen 3 306 Sep 14, 2016 09:19 AM
by DTN_Tim Walter
cannot access developer portal zane 2 295 Sep 9, 2016 11:27 PM
by zane
Need help interpreting return data format etron 6 422 Sep 7, 2016 10:30 PM
by DTN_Steve_S
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