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"I used to have *******, but they are way more money for the same thing. I have had no probs with data from DTN since switching over." - Comment from Public Forum Post
"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
"Thanks for following up with me. You guys do a great job in tech support." - Comment from Phelps
"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
"You are either overstaffed or people just don't have problems with your feed because customer support always answers the phone quickly." - Comment from Jay via Email
"Very impressed with the quality of your feed - ******* is a real donkey in comparison." - Comment from A.C. via Email
"My broker in Davenport suggested I give you a try as he uses your service and says its the best." - Comment from Bill via RT Chat
"There is no doubt that IQFeed is the best data provider. I am very satisfied with your services. And IQFeed is the only one that I would recommend to my friends. Now, most of them are using your product in China." - Comment from Zhezhe
"You have an excellent feed. Very few spikes for Spot Forex." - Comment from Public Forum Post
"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
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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
Problem+solution connecting to an IQFeed port (already in use) altmany 0 84 Apr 10, 2019 05:11 PM
by altmany
Bulk download of historical data BCR2019 1 93 Apr 5, 2019 01:52 PM
by DTN_Steve_S
Connection error when using IQFeed in Linux Wine phaser 2 91 Apr 4, 2019 12:41 PM
by phaser
Developer wanted to build API jicinvest 5 85 Apr 4, 2019 09:52 AM
by jicinvest
Could not connect to History socket / Could not connect to News socket Craig 8 230 Mar 27, 2019 07:23 PM
by Craig
NHL News Headlines Request PyDev 5 230 Mar 14, 2019 01:05 PM
by PyDev
Symbols that trade over the weekend (Friday after hours, saturday, sunday) creeveshft 10 2029 Mar 13, 2019 03:22 PM
by DTN_Stephen
Unable to connect to Admin port afetr starting IQconnect rlt6246 3 1389 Mar 12, 2019 06:56 AM
by altmany
matlab examples apps sma202 3 2529 Mar 12, 2019 06:21 AM
by altmany
problem with receiving derivative data vladfa 0 208 Mar 6, 2019 12:11 AM
by vladfa
How much bandwidth is needed? iq200 0 269 Feb 26, 2019 01:28 PM
by iq200
Historical tick data issues jphiggs 3 262 Feb 26, 2019 06:42 AM
by DTN_Steve_S
History requests are slow to fill mattgundersen 3 403 Feb 22, 2019 05:38 AM
by DTN_Steve_S
Corrupted L1 data-in recent past on multiple products at 'random' times aQuant 22 928 Feb 21, 2019 09:40 PM
by aQuant
Latency of Q messages mac 3 312 Feb 19, 2019 08:45 AM
by DTN_Steve_S
Historical futures options daily data: what is the meaning of OHLC fields with traded volume = 0? shkim 1 278 Feb 19, 2019 06:53 AM
by DTN_Steve_S
Problem with Open price opttrade 1 300 Feb 19, 2019 06:50 AM
by DTN_Steve_S
Latest float fredericf 1 313 Feb 18, 2019 02:04 PM
by DTN_Steve_S
Fundamental Data Message fredericf 3 321 Feb 12, 2019 07:00 AM
by fredericf
Incorrect Intraday data for WY and TWLO opttrade 2 263 Feb 7, 2019 03:04 AM
by opttrade
Incorrect L2 data for futures aQuant 3 388 Jan 29, 2019 12:27 PM
by aQuant
Incorrect data for HOLX opttrade 2 309 Jan 28, 2019 08:34 AM
by opttrade
Historical data request - E,Invalid server protocol version. buscq9421 2 300 Jan 28, 2019 06:45 AM
by DTN_Steve_S
chained RBOB futures data begins 1995, but cannot access individual daily contracts before QRB shkim 2 309 Jan 23, 2019 05:47 AM
by shkim
CL futures: missing daily data for QCLG05 & QCLV04 shkim 1 324 Jan 21, 2019 07:36 AM
by DTN_Stephen
Trade Aggressor Side Docent 3 636 Jan 18, 2019 07:21 AM
by DTN_Steve_S
Novice Questions: tick or minute data, Lev2 historical, linux headless launching ChainsawDR 2 473 Jan 7, 2019 03:18 AM
by ChainsawDR
Get underlying for a futures option homie70 3 504 Dec 14, 2018 02:04 PM
by DTN_Steve_S
Message Contents vs Timestamps - order of ticks question cirque3 0 369 Dec 10, 2018 07:27 PM
by cirque3
About L1 level Connection ChowWei 5 583 Dec 5, 2018 07:55 AM
by DTN_Steve_S
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