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"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
"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
"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
"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
"I just wanted to let u know that your data feed/service is by far the best!!! Your unfiltered tick data is excellent for reading order flow and none of your competitors delivers this quality of data!" - Comment from Peter via Email
"It’s so nice to be working with real professionals!" - Comment from Len
"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
"Very impressed with the quality of your feed - ******* is a real donkey in comparison." - Comment from A.C. via Email
"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
"Previously I was using *******. IQFeed is WAY more economical, and for my charting needs is just as good, if not better." - Comment from Public Forum Post
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HenriM
-Interested User-
Posts: 3
Joined: Sep 7, 2019
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Posted: Sep 7, 2019 08:32 PM
Msg. 1 of 6
I'm getting response "S,CURRENT PROTOCOL,6.0," on request S,SET PROTOCOL,6.0 and response "E,6.1 is not a valid protocol.," on request S,SET PROTOCOL,6.1 I'm using same code and only change 6.0 to 6.1 in it. 6.0 protocol works fine, but it doesn't recognize new field "Most Recent Trade Aggressor" Any ideas? Thank you
Henri
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altmany
-Interested User-
Posts: 73
Joined: Jul 30, 2018
IQML - IQFeed-MATLAB connector
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Posted: Sep 8, 2019 01:58 AM
Msg. 2 of 6
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HenriM
-Interested User-
Posts: 3
Joined: Sep 7, 2019
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Posted: Sep 8, 2019 11:11 AM
Msg. 3 of 6
Thank you Yair, I should have mentioned that before I posted this problem I have downloaded client 6.1.0.20 from September 4th but I always just download and install latest version of client without uninstalling anything. Hopefully that is the correct procedure. I have just also checked VB value of System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString() It retrieves value 6.1.0.0, which hopefully also indicates that protocol 6.1 has been installed correctly. Thank you
Henri
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DTN_Gary_Stephen
-DTN Guru-
Posts: 396
Joined: Jul 3, 2019
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Posted: Sep 13, 2019 08:52 AM
Msg. 4 of 6
Henri, Yair is correct - if you're getting the message "E,6.1 is not a valid protocol", the problem is most likely that you're still using client software version 6.0. We just released 6.1.0.20 last week; it can be downloaded from the usual download page, http://www.iqfeed.net/index.cfm?displayaction=support§ion=downloadHenri, my logs show that you're still connecting using client software version 6.0.1.1. That would explain why you're getting this error message. Check your install, update to 6.1.0.20 if necessary, and try again. There are two ways you can determine the version number you have currently: 1. If you are not connected, launch the Diagnostics app. Click Test button on the IQConnect tab. The second line of the output will say "Loading IQFeed with (IQFeed Diagnostics, 6.x.x.x)". That's the version number. 2. If you are connected, right-click the IQFeed icon in the system tray, and select Feed Stats. "IQFeed Version" will be one of the pieces of information, on the right hand side. Please feel free to contact me directly if I can help! Sincerely, Gary Stephen DTN IQFeed Implementation Support Specialist
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HenriM
-Interested User-
Posts: 3
Joined: Sep 7, 2019
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Posted: Sep 13, 2019 10:20 AM
Msg. 5 of 6
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DTN_Gary_Stephen
-DTN Guru-
Posts: 396
Joined: Jul 3, 2019
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Posted: Sep 13, 2019 10:21 AM
Msg. 6 of 6
OK, that makes sense. Let me know if you have any further questions or issues!
Sincerely, Gary Stephen DTN IQFeed Implementation Support Specialist
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