MV_opt
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Posts: 19
Joined: Jun 3, 2020
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Posted: Jun 3, 2020 08:14 PM
Msg. 1 of 6
Are Market time zones listed anywhere? If not, it would be really helpful if you were able to store the Time Zone location for each of the markets that come back in the SLM call. So for each listed market you also return the time zone location using the standard names as defined by https://en.wikipedia.org/wiki/Tz_databaseNOTE: I would not bother with Daylight or standard time, just the location. That way it only needs to be set by you once when making a change/addition to the markets list. There are plenty of libraries which can do all the time calculations we need (including daylight savings) but they are all predicated on knowing the actual timezone of the exchange. See http://web.cs.ucla.edu/~eggert/tz/tz-link.htmWe can write a table with maps from Market ID to time zone but as soon as you make a change to the IDs, we have lost the mapping. Of course the ultimate would be that in stream and lookup calls we were ablet to specify that we want the results in local market time rather than EST. MV
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DTN Todd
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Posts: 74
Joined: Mar 24, 2010
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Posted: Jun 3, 2020 08:48 PM
Msg. 2 of 6
Hello MV_opt
I will have our developer support team look into your inquiry, they should have an answer for you within 24 hours
Thanks Todd
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DTN_Gary_Stephen
-DTN Guru-
Posts: 403
Joined: Jul 3, 2019
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Posted: Jun 4, 2020 07:54 AM
Msg. 3 of 6
The time zone for all IQFeed API data is US/Eastern. Even for exchanges that are not themselves located within US/Eastern time.
ETA: I'm sorry, I didn't fully understand your question. You want there to be an API data point that tells you the actual time zone for each exchange. I can put in a formal customer request from that.
Sincerely, Gary Stephen DTN IQFeed Implementation Support Specialist Edited by DTN_Gary_Stephen on Jun 4, 2020 at 08:21 AM
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MV_opt
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Posts: 19
Joined: Jun 3, 2020
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Posted: Jun 4, 2020 08:35 AM
Msg. 4 of 6
Hi Gary,
Yes, I think this would be helpful.
Another column for each entry returned in the SLM (Listed Markets) call in the Lookup Port.
This is 4 lines I pulled from the call. I manually added the TZ name at the end of the rows as an example of what it could look like
79, NYDME, NYMEX-DME (InterCommodity Spreads), 79, NYDME, America/New_York 80, PSX, Philadelphia Stock Exchange, 80, PSX, America/New_York 81, TGE, Tokyo Grain Exchange, 81, TGE, Asia/Tokyo 82, TOCOM, Tokyo Commodities Exchange, 82, TOCOM, Asia/Tokyo Edited by MV_opt on Jun 4, 2020 at 08:36 AM Edited by MV_opt on Jun 4, 2020 at 08:36 AM
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DTN_Gary_Stephen
-DTN Guru-
Posts: 403
Joined: Jul 3, 2019
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Posted: Jun 10, 2020 11:44 AM
Msg. 6 of 6
Adding the time zone to the SLM call is a good implementation of this idea. I'll add it to the request.
Sincerely, Gary Stephen DTN IQFeed Implementation Support Specialist
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