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Lewcifer
-Interested User-
Posts: 33
Joined: Jul 8, 2006
Lew Payne
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Posted: Dec 1, 2018 10:28 AM
Msg. 1 of 3
Can someone please tell me what the difference is between: - S,CURRENT UPDATE FIELDNAMES
- S,UPDATE FIELDNAMES
When I specify "S,CURRENT PROTOCOL,6.0" the response includes both of these, one after the other, and the first has less fields listed than the second. I can see that "CURRENT UPDATE FIELDNAMES" maps to a [P] summary message, yet "UPDATE FIELDNAMES" doesn't seem to map to an [F] fundamental message. Does this dual output have anything to do with the fact that I specified "trade-only watch?" Perhaps I'm misunderstanding. Lew Payne, Founder Boise Stock ExchangeEdited by Lewcifer on Dec 1, 2018 at 10:31 AMEdited by Lewcifer on Dec 1, 2018 at 10:31 AM
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altmany
-Interested User-
Posts: 73
Joined: Jul 30, 2018
IQML - IQFeed-MATLAB connector
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Posted: Dec 1, 2018 10:37 AM
Msg. 2 of 3
<UPDATE FIELDNAMES> reports the full list of fieldnames that are potentially available from IQFeed in response to watch commands (currently about 65 fields). <CURRENT UPDATE FIELDNAMES> reports those fields that IQFeed currently includes in your watch messages. By default this includes only 16 fields out of the ~65 total fields that are potentially available. The process for selecting which data fields IQFeed includes in your watch messages is described here: http://www.iqfeed.net/dev/api/docs/DynamicFieldsets.cfm Note: I am not a DTN employee; my post reflects my personal opinion and not necessarily DTN's
- Yair IQML - IQFeed-Matlab connector https://UndocumentedMatlab.com/IQMLEdited by altmany on Dec 1, 2018 at 10:38 AMEdited by altmany on Dec 2, 2018 at 06:09 AM
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Lewcifer
-Interested User-
Posts: 33
Joined: Jul 8, 2006
Lew Payne
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Posted: Dec 1, 2018 11:41 PM
Msg. 3 of 3
Thank you, altmany. Between your explanation and looking at source examples, I understand.
Lew Payne, Founder Boise Stock Exchange
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