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"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
"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 just wanted to tell you what a fine job you have been doing. While *******, from what I hear, has been down and out, off and on, IQ feed has held like a champ this week." - Comment from Shirin
"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
"Just a quick one to say I'm very impressed so far :) The documentation for developers is excellent and I've quickly managed to get an app written to do historical downloads. The system is very robust and pretty quick considering the extent of data that's available. The support guys have been very helpful too, in combination with the forums it's been plain sailing so far!" - Comment from Adam
"Excellent datafeed !!!" - Comment from Arely
"You have an excellent product !!!!!!" - Comment from Arely
"Awesome response, as usual. It is a sincere and refreshing pleasure to do business with DTN, compared to your competition." - Comment from Ryan
"I'm satisfied with IQFeed. It's the most reliable and fastest quote feed I have ever used. Although I'm a resident in China, it's still very fast!" - Comment from Xiaofei
"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
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tadams
-Interested User-
Posts: 18
Joined: May 7, 2004
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Posted: May 30, 2004 12:29 AM
Msg. 1 of 5
I'm having a problem retrieving historical data for options via TCP/IP. As a test, I picked 'MSQ FE' (Microsoft June call with nice volume) and issued the following commands:
HT,MSQ FE,5; HX,MSQ FE,100; HM,MSQ FE,1,5; HD,MSQ FE,5;
No matter which of the history commands I issue, the response is always a quick '!ENDMSG!'.
I've tried multiple symbols, etc but can't seem to get historical option data. Interestingly, the sample history applications IQFeed provides will retrieve data just fine (same symbol).
I'd gladly post source code that demonstrates the issue, but a simple telnet to 9100 will show the H commands return nothing. Help!
Ted
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DTN_Jay_Froscheiser
-VP, Product Operations-
Posts: 1746
Joined: May 3, 2004
DTN IQFeed/DTN.IQ/DTN NxCore
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Posted: May 30, 2004 05:25 PM
Msg. 2 of 5
Ted,
Which version of IQFeed do you currently have installed? Do you have the 2.3 version? If so, we should be getting the new 2.3 out on Tuesday (after the holiday). We will see if that corrects your issue. Thanks
Jay Froscheiser DTN Market Access, LLC. Edited by DTN_Steve_S on Feb 27, 2014 at 03:25 PM
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tadams
-Interested User-
Posts: 18
Joined: May 7, 2004
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Posted: May 31, 2004 10:34 PM
Msg. 3 of 5
Note to developers using TCP/IP: The history server (9100) seems to not like spaces in symbol names. Given that this is the native IQFeed way to reference option symbols, this is a problem. A round of sniffing packets reveals that DTNHistoryLookup.dll replaces a space with an underscore prior to sending the request on to the history server. This is why I couldn't retrieve option data via TCP. Moral of the story: even though the rest if IQFeed references option symbols like this: "MSQ FE", you need to convert it to this "MSQ_FE" if you'd like to see history data. Can this subtlety please be placed in the documentation? Ted
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DTN_Natalie_H
-DTN Evangelist-
Posts: 175
Joined: May 10, 2004
DTN Market Access, LLC.
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Posted: Jun 2, 2004 09:45 AM
Msg. 4 of 5
Ted,
We are currently working on a fix for this, but we do not have a release date. Thanks for bringing this to our attention!
Natalie
Natalie Hannan DTN Market Access, LLC.
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LonnieS
-King of IQ Development-
Posts: 127
Joined: Jun 2, 2004
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Posted: Jun 30, 2004 08:08 AM
Msg. 5 of 5
This issue should now be fixed. An underscore substitution should no longer be necessary in Option symbols.
Lonnie Shumate Development Manager, IQ Systems DTN Market ACCESS
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