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"IQFeed version 4 is a real screamer compared to anything else I have seen." - Comment from Tom
"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 the great product and support. During this week of high volume trading, my QuoteTracker + IQ Feed setup never missed a beat. Also, thanks for your swiftness in responding to data issues. I was on ******* for a few years before I made the switch over early this year, and wish I had done it a long time ago." - Comment from Ken
"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 like you guys better than *******...much more stable and a whole lot fewer issues." - Comment from Philip
"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
"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
"Everything is working great ! Very impressive client. The news refreshes better and is more pertinent than the ******* feed I paid $ 100/month for. I Also like the charts a lot." - Comment from Leon
"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
"I am enjoying the feed very much - so superior to the broker provided feed I was previously using." - Comment from George
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ger579 has contributed to 6 posts out of 18549 total posts (0.03%) in 132 days (0.05 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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