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"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
"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
"With HUGE volume on AAPL and RIMM for 2 days, everyone in a trading room was whining about freezes, crashes and lag with *******, RealTick, TS and Cyber. InvestorRT with IQFeed was rock solid. I mean SOLID!" - Comment from Public IRC Chat
"I am enjoying the feed very much - so superior to the broker provided feed I was previously using." - Comment from George
"For anyone considering using DTN.IQ for a data feed, my experience with the quality of data and the tech support has been very positive." - Comment from Public Forum
"I use IQ Feed, Great stuff as far as data analysis information, storage and retrieval is concerned." - 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
"I am a hedge fund manager here. It’s funny, I have a Bloomberg terminal and a Bridge feed, but I still like having my DTN feed!" - Comment from Feras
"IQ feed works very well, does not have all of the normal interruptions I have grown used to on *******" - Comment from Mark
"Boy, probably spent a thousand hours trying to get ******* API to work right. And now two hours to have something running with IQFeed. Hmmm, guess I was pretty stupid to fight rather than switch all this time. And have gotten more customer service from you guys already than total from them… in five years." - Comment from Jim
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Joined: Feb 13, 2018 11:29 AM
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ger579 has contributed to 6 posts out of 21190 total posts (0.03%) in 2,270 days (0.00 posts per day).

20 Most recent posts:
IQFeed Developer Support » Mystery number Apr 5, 2018 05:27 PM (Total replies: 3)

Ok, thanks, thought it was something like that.

IQFeed Developer Support » Mystery number Apr 4, 2018 06:35 PM (Total replies: 3)

I am using dynamic fieldsets to receive quotes for futures symbol YM. The last number in my field is the time delay. At the end of the delay number is the number 10. I don't get that number on ES, RTY or NQ. Any idea what it means?

Q,@YM#,40.00,24290.00,24288.00,24291.00,0.001030,10,

Q,@ES#,5.00,2650.75,2650.50,2650.75,0.001417,,

IQFeed Developer Support » Error on admin port Apr 2, 2018 05:20 PM (Total replies: 4)

No, only ever had the 5.2 proto, must have misread something leading me to believe that the current version is 6.0.

IQFeed Developer Support » Error on admin port Apr 1, 2018 06:20 AM (Total replies: 4)

Um, never mind, I'm using version number 5.2 and everything is ok now..

IQFeed Developer Support » Error on admin port Apr 1, 2018 06:05 AM (Total replies: 4)

I mean port 9300 in all occurrences of port 5009.

IQFeed Developer Support » Error on admin port Apr 1, 2018 05:15 AM (Total replies: 4)

Hello,
Noob here, and have a noob question. I keep getting this error message when I try communicating with admin port 5009 "E,6.0 is not a valid protocol.,". From what I can tell 6.0 is the current protocol. I am sending <CR><LF> correctly (I think). I tried sending the below string to port 5009 in python and golang but to no avail.

"S,SET PROTOCOL,6.0\r\n"

and still keep getting the same error message. Any help would be appreciated.


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