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"You are much better than lawyers or the phone company because you answer the phone when I call! I just love your customer service." - Comment from Isreal
"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
"You have an excellent feed. Very few spikes for Spot Forex." - Comment from Public Forum Post
"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
"This beats the pants off CQG, I am definitely switching to the ProphetX 3.0!" - Comment from Stephen
"DTN feed was the only feed that consistently matched Bloomberg feed for BID/ASK data verification work these past years......DTN feed is a must for my supply & demand based trading using Cumulative Delta" - Comment from Public Forum Post
"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
"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
"As a past ******* customer(and not a happy one), IQ Feed by DTN is a much better and cheaper product with great customer support. I have had no problems at all since switching over." - 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
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Docent has contributed to 20 posts out of 18307 total posts (0.11%) in 3,277 days (0.01 posts per day).

20 Most recent posts:
IQFeed Developer Support » Developers access Mar 4, 2016 07:04 AM (Total replies: 1)

Hello!
Why my dev login doesn't works (http://www.iqfeed.net/dev/index.cfm?login=login) ?
My login "docent"
Early it is works.
What happened?


I confirm the problem.
I downgraded to 5.1.3.1 too.

IQFeed Developer Support » Level2. Message type "B" Jun 29, 2015 07:29 AM (Total replies: 1)

Hello!
What does the Leve2 message type "B" ?
Example:
B,@TYZ15,MD10,115.,0.,0,0,INVALID,2015-06-29,52,04:54:21.861,F,F,T,
B,@N1U15,MD09,100.,112.,84,0,07:24:34.984,2015-06-29,52,INVALID,T,F,T,

IQFeed Developer Support » Small DOM for ICE EC May 25, 2015 05:32 PM (Total replies: 1)

Hello!
Why DOM so small for ICE EC?
For example on BRENT CRUDE (symbol: EB) DOM size only 10x10.
CQG Continium translate full DOM with size 50x50 for EB.
Tnk!

IQFeed Developer Support » News feed problem Oct 8, 2014 09:13 AM (Total replies: 5)

Yes, confirm.
Now all ok.
Thanks.

IQFeed Developer Support » News feed problem Oct 8, 2014 08:53 AM (Total replies: 5)

Any news today.

IQFeed Developer Support » News feed problem Oct 8, 2014 07:37 AM (Total replies: 5)

Hello!
Why news feed doesn't works?

IQFeed Developer Support » iqfeed CRASH May 8, 2013 01:23 PM (Total replies: 8)

Quote: I'm sorry to hear the new build didn't fix the issue for you. I would like to take a look at your account from our end but I'm unable to find an account based on your forum information. Can you send me a PM (or email developer support) with your loginID?
--- Original message by DTN_Steve_S on May 8, 2013 01:10 PM
I sent a Privete Message.

IQFeed Developer Support » iqfeed CRASH May 8, 2013 03:02 AM (Total replies: 8)

The same problem is in the last version (5.0.11) also!
Fix it please as soon as possible.

IQFeed Developer Support » iqfeed CRASH Apr 25, 2013 11:06 AM (Total replies: 8)

What about my question?

IQFeed Developer Support » iqfeed CRASH Apr 24, 2013 09:13 AM (Total replies: 8)

I watching 220 symbols. Market depth watching too. Also I watching news (include news body).
Regionals not watching.

IQConnectLog in attached.

IQFeed Developer Support » iqfeed CRASH Apr 24, 2013 05:10 AM (Total replies: 8)

Hello!
IqFeed 5 always crashed over same time after run!
Crash log attached.

IQFeed Developer Support » Bad trade indicates?! Sep 9, 2010 09:30 AM (Total replies: 4)

What about my problem?
When it will fixing?

IQFeed Developer Support » Bad trade indicates?! Jul 27, 2010 03:29 AM (Total replies: 4)

I find bad trade type indicates(field 18 Update Message) for COMEX!
In Level1 data same trades with "t" type not really tick. I can't recognize it. But I want receive only tick data.
Help me please!


Example.
Level1 data continence tick with inc. vol. = 50. But history data do not contains it.

Level1 data for 1 minute(just "t" type):

Q,QGCQ10,71,1185.5,2.4,0.002028569,18698,1,1185.8,1181.5,1185.4,1185.5,1,2,173,,4.3,03:54:02t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4980,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,18719,21,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4981,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,18769,50,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4982,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,18819,50,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4983,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,18869,50,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4984,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,18919,50,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4985,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,18969,50,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4986,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,19000,31,1185.8,1181.5,1185.3,1185.5,4,2,183,,4.3,03:54:02t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,-0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4987,,,,1645861,,07/26/2010,,,,03:54:02,,
Q,QGCQ10,71,1185.3,2.2,0.001859522,19001,1,1185.8,1181.5,1185.3,1185.4,1,2,175,,4.3,03:54:20t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.3,08/27/2010,,,2.2,0,,,-0.1,-0.1,2.6,1,0.003627774,,11,1,31,00,,0,0,0,0,4988,,,,1645861,,07/26/2010,,,,03:54:20,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19002,1,1185.8,1181.5,1185.4,1185.5,2,3,173,,4.3,03:54:26t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4989,,,,1645861,,07/26/2010,,,,03:54:26,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19003,1,1185.8,1181.5,1185.4,1185.5,1,4,183,,4.3,03:54:26t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4990,,,,1645861,,07/26/2010,,,,03:54:26,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19004,1,1185.8,1181.5,1185.4,1185.5,2,1,183,,4.3,03:54:34t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4991,,,,1645861,,07/26/2010,,,,03:54:34,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19005,1,1185.8,1181.5,1185.4,1185.5,1,2,183,,4.3,03:54:35t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4992,,,,1645861,,07/26/2010,,,,03:54:35,,
Q,QGCQ10,71,1185.3,2.2,0.001859522,19006,1,1185.8,1181.5,1185.4,1185.5,1,2,175,,4.3,03:54:35t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.3,08/27/2010,,,2.2,0,,,0.1,0.1,2.6,1,0.003627774,,11,1,31,00,,0,0,0,0,4993,,,,1645861,,07/26/2010,,,,03:54:35,,
Q,QGCQ10,71,1185.3,2.2,0.001859522,19007,1,1185.8,1181.5,1185.4,1185.5,1,2,183,,4.3,03:54:35t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.3,08/27/2010,,,2.2,0,,,0.1,0.1,2.6,1,0.003627774,,11,1,31,00,,0,0,0,0,4994,,,,1645861,,07/26/2010,,,,03:54:35,,
Q,QGCQ10,71,1185.5,2.4,0.002028569,19008,1,1185.8,1181.5,1185.3,1185.5,3,2,173,,4.3,03:54:36t,128768,1182.7,1183.1,0.2,,1183.1,,,,,,,07/27/2010,,1185.5,08/27/2010,,,2.4,0,,,-0.1,0.1,2.8,1,0.003627162,,11,1,31,00,,0,0,0,0,4995,,,,1645861,,07/26/2010,,,,03:54:36,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19009,1,1185.8,1181.5,1185.3,1185.4,3,1,175,,4.3,03:54:44t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,-0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4996,,,,1645861,,07/26/2010,,,,03:54:44,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19010,1,1185.8,1181.5,1185.4,1185.5,1,5,183,,4.3,03:54:44t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4997,,,,1645861,,07/26/2010,,,,03:54:44,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19011,1,1185.8,1181.5,1185.3,1185.4,3,3,183,,4.3,03:54:44t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,-0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4998,,,,1645861,,07/26/2010,,,,03:54:44,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19012,1,1185.8,1181.5,1185.3,1185.4,3,3,183,,4.3,03:54:44t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,-0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,4999,,,,1645861,,07/26/2010,,,,03:54:44,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19013,1,1185.8,1181.5,1185.3,1185.4,2,1,183,,4.3,03:54:46t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,-0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,5000,,,,1645861,,07/26/2010,,,,03:54:46,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19014,1,1185.8,1181.5,1185.4,1185.5,2,4,183,,4.3,03:54:46t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,5001,,,,1645861,,07/26/2010,,,,03:54:46,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19015,1,1185.8,1181.5,1185.4,1185.5,1,4,183,,4.3,03:54:46t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,0.1,0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,5002,,,,1645861,,07/26/2010,,,,03:54:46,,
Q,QGCQ10,71,1185.3,2.2,0.001859522,19016,1,1185.8,1181.5,1185.3,1185.4,1,3,175,,4.3,03:54:53t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.3,08/27/2010,,,2.2,0,,,-0.1,-0.1,2.6,1,0.003627774,,11,1,31,00,,0,0,0,0,5003,,,,1645861,,07/26/2010,,,,03:54:53,,
Q,QGCQ10,71,1185.3,2.2,0.001859522,19017,1,1185.8,1181.5,1185.3,1185.4,1,3,183,,4.3,03:54:53t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.3,08/27/2010,,,2.2,0,,,-0.1,-0.1,2.6,1,0.003627774,,11,1,31,00,,0,0,0,0,5004,,,,1645861,,07/26/2010,,,,03:54:53,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19018,1,1185.8,1181.5,1185.3,1185.4,1,3,173,,4.3,03:54:54t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,-0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,5005,,,,1645861,,07/26/2010,,,,03:54:54,,
Q,QGCQ10,71,1185.4,2.3,0.001944045,19019,1,1185.8,1181.5,1185.3,1185.4,1,2,183,,4.3,03:54:55t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.4,08/27/2010,,,2.3,0,,,-0.1,-0.1,2.7,1,0.003627468,,11,1,31,00,,0,0,0,0,5006,,,,1645861,,07/26/2010,,,,03:54:55,,
Q,QGCQ10,71,1185.3,2.2,0.001859522,19020,1,1185.8,1181.5,1185.3,1185.4,1,1,175,,4.3,03:54:58t,128768,1182.7,1183.1,0.1,,1183.1,,,,,,,07/27/2010,,1185.3,08/27/2010,,,2.2,0,,,-0.1,-0.1,2.6,1,0.003627774,,11,1,31,00,,0,0,0,0,5007,,,,1645861,,07/26/2010,,,,03:54:58,,


History data:
QGCQ10,1185.5,18698,1,27-07-2010 03-54-02
QGCQ10,1185.3,19001,1,27-07-2010 03-54-20
QGCQ10,1185.4,19002,1,27-07-2010 03-54-26
QGCQ10,1185.4,19003,1,27-07-2010 03-54-26
QGCQ10,1185.4,19004,1,27-07-2010 03-54-34
QGCQ10,1185.4,19005,1,27-07-2010 03-54-35
QGCQ10,1185.3,19006,1,27-07-2010 03-54-35
QGCQ10,1185.3,19007,1,27-07-2010 03-54-35
QGCQ10,1185.5,19008,1,27-07-2010 03-54-36
QGCQ10,1185.4,19009,1,27-07-2010 03-54-44
QGCQ10,1185.4,19010,1,27-07-2010 03-54-44
QGCQ10,1185.4,19011,1,27-07-2010 03-54-44
QGCQ10,1185.4,19012,1,27-07-2010 03-54-44
QGCQ10,1185.4,19013,1,27-07-2010 03-54-46
QGCQ10,1185.4,19014,1,27-07-2010 03-54-46
QGCQ10,1185.4,19015,1,27-07-2010 03-54-46
QGCQ10,1185.3,19016,1,27-07-2010 03-54-53
QGCQ10,1185.3,19017,1,27-07-2010 03-54-53
QGCQ10,1185.4,19018,1,27-07-2010 03-54-54
QGCQ10,1185.4,19019,1,27-07-2010 03-54-55
QGCQ10,1185.3,19020,1,27-07-2010 03-54-58

IQFeed Developer Wish List » Translate only trade data Jul 27, 2010 03:19 AM (Total replies: 0)

I want receive via Level1 only tick data(equal HTT history request).
Is it possible?

IQFeed Developer Support » TCP Level1 Bug? May 8, 2010 03:41 AM (Total replies: 1)

I retrieve Level 1 streaming data from IQFeed via TCP/IP. Over 300 symbols.
During high market average data streaming stops.
At the same time there are no errors from iqfeed and iqfeed keeps status online, Level2 is working.
After reconnecting Level1 everything`s ok.
Where is the problem?

IQFeed Developer Support » C# samplem with tcp/ip Jan 6, 2010 08:15 AM (Total replies: 45)

Please email me C# samples too.

IQFeed Developer Support » RTS exchange Jul 21, 2009 03:42 AM (Total replies: 1)

Whether a connection exchange RTS - http://www.rts.ru/en/ ?

IQFeed Developer Support » NEWS: string separator Jan 27, 2009 11:01 AM (Total replies: 3)

I lookup news(command NN or NNT):
" DOW JONES NEWSWIRES Lexmark International Inc.'s (LXK) fourth-quarter net income dove 81% as ittook more restructuring charges amid weaker-than-expected sales and a reboundin the dollar. The printer maker, which slashed expectations earlier this month amidcontinues sales weakness, reported net income of $18.1 million, or 23 cents ashare, down from $99 million, or $1.04 a share, a year earlier. Excludingrestructuring charges, earnings were 75 cents, in line with Lexmark's loweredoutlook. Revenue slid 18% to $1.08 billion, also meeting the recent warning. Lexmarkhad said it saw weaker-than-expected market demand for hardware and supplyacross all geographies. Gross margin fell to 29% from 33.4% amid the sales decline as productmargins declined. Revenue slumped 10% in its business segment, while falling28% in its consumer unit. Despite the woes, Chief Executive Paul J. Curlander said the company's"conservative capital structure" and " ....."

It is only ONE string! Where is "\r\n" symbols?

IQFeed Developer Support » NEWS: string separator Jan 27, 2009 10:07 AM (Total replies: 3)

Why body of news don't content string separator?


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