Join the 80,000 other DTN customers who enjoy the fastest, most reliable data available. There is no better value than DTN!

(Move your cursor to this area to pause scrolling)




"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
"I've never had DTN go out on me since switching. ******* would go down a couple times every month when I was using them." - Comment from Bryce in AL.
"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
"I cannot believe what a difference it makes trading with ProphetX!" - Comment from Bruce in Los Angeles
"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
"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
"I "bracket trade" all major news releases and I have not found one lag or glitch with DTN.IQ feed. I am very comfortable with their feed under all typical news conditions (Fed releases, employment numbers, etc)." - Comment from Public Forum
"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 was with ******* for 4 years at $230 a month, this is a huge savings for me, GOD BLESS YOU PEOPLE," - Comment from T.S. via Email
"Thanks for all of your help. Great customer service deserves to be recognized which one the reasons I've been a customer of DTN for over 10 years!" - Comment from Stuart
Home  Search  Register  Login  Recent Posts

Information on DTN's Industries:
DTN Oil & Gas | DTN Trading | DTN Agriculture | DTN Weather
Follow DTNMarkets on Twitter
DTN.IQ/IQFeed on Twitter
DTN News and Analysis on Twitter
»Forums Index »Archive (2017 and earlier) »Data and Content Support »As of 3/14 some market symbols are "invalid"
Author Topic: As of 3/14 some market symbols are "invalid" (7 messages, Page 1 of 1)

programmer
-Interested User-
Posts: 35
Joined: Feb 3, 2010


Posted: Mar 20, 2019 09:09 AM          Msg. 1 of 7
On March 14 all of a sudden I'm getting a lot of "Invalid symbol" errors. For example pulling history for "APPS" returns invalid symbol even though it's not. I'm not sure if they're all NASDAQ but many of them seem to be.

Maybe I need to update my IQFeed client because I think I'm out of date or maybe my machine has been corrupted.

I'm looking in to the issue on my side but figured I would post to ask if something changed.

DTN_Stephen
-DTN Guru-
Posts: 453
Joined: Aug 22, 2014


Posted: Mar 20, 2019 10:02 AM          Msg. 2 of 7
I ran a check on our history for APPS and do not see any issues.

Please feel free to contact us at support@iqfeed.net or join us in chat from www.iqfeed.net with your Login information so that we can research your account.

Stephen Shockey
Customer Support Representative

DTN
800-779-7299
stephen.shockey@dtn.com

9110 W Dodge Rd
Omaha NE 68114, USA
www.dtn.com

programmer
-Interested User-
Posts: 35
Joined: Feb 3, 2010


Posted: Mar 20, 2019 04:09 PM          Msg. 3 of 7
Thanks for checking. Seems to be working fine now during the day but I just updated from 6.0.0.5 to 6.0.1.1 so I'll see how that goes tonight too.

Looking at version 6.0.1.1 I see: Added support for 64bit (8+ decimals) precision prices in streaming (Level 1) data and History data (as soon as the history servers support rolls out).

Any chance the history servers updated to this new 64bit precision on March 14?

Just trying to figure out what happened. I'll keep testing to make sure the problem is not on my side.

DTN_Steve_S
-DTN Guru-
Posts: 2093
Joined: Nov 21, 2005


Posted: Mar 21, 2019 07:47 AM          Msg. 4 of 7
No, the history servers were updated quite a while ago (at least a couple weeks before that). I'll get the release notes updated to indicate that has been completed.

DTN_Steve_S
-DTN Guru-
Posts: 2093
Joined: Nov 21, 2005


Posted: Mar 21, 2019 07:53 AM          Msg. 5 of 7
I just realized something not-quite right here.

A long while back (at least a year or two), the history servers stopped sending the Invalid Symbol error code so there is no way you should have been getting that specific error. Are you certain this is the case? If so, please let me know your loginID so I can look at the server logs. Feel free to send it to me in a PM or an email to dev support.

DTN_Steve_S
-DTN Guru-
Posts: 2093
Joined: Nov 21, 2005


Posted: Mar 21, 2019 08:04 AM          Msg. 6 of 7
OK, another update. After searching through the server logs a bit, it appears that this error has been re-implemented for obviously bad symbols (stuff not allowed by our symbology).

However, with that said. There were only 13 requests total on March 14th that returned this error and none of them were for valid symbols.

programmer
-Interested User-
Posts: 35
Joined: Feb 3, 2010


Posted: Mar 21, 2019 08:12 AM          Msg. 7 of 7
After digging in to it, that error is actually one of my internal errors and kind of generic (ie. it can be caused by a number of things). I'm not sure what the IQ client is returning but I am running the latest now 6.0.1.1.

I'm still investigating this. I have a lot of things I need to upgrade including the OS. I managed to get some history pulls yesterday without errors so it obviously CAN work. I'm thinking the problem is probably on my side. Though I'm not sure why this started all of a sudden. Anyway, I'm going to rework some of my code making that error less generic so I can see was is going on in case this happens again.

Thanks for the help!
 

 

Time: Fri April 26, 2024 7:25 AM CFBB v1.2.0 9 ms.
© AderSoftware 2002-2003