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»Forums Index »Archive (2017 and earlier) »IQFeed Developer Support »Pre-market and after market trade question

Author	Topic: Pre-market and after market trade question (2 messages, Page 1 of 1)
gwalschl -Interested User- Posts: 46 Joined: Oct 25, 2006	Posted: Sep 12, 2007 10:25 AM Msg. 1 of 2 From a previous reply to a posting I made a few months back, I understand that the information in a summary message is not stored on the IQFeed servers and that the summary messages are just "snapshots" of what's on the IQFeed servers. Therefore, any extended trading information is just "pass through" when trade updates come along during pre-market or after hours because it's not stored on the servers. Given this, if I want to cycle through, say 2000 symbols, after the post-market trading ends at 6:30pm EST, watching and then unwatching each of these symbols to generate a summary message for each one, will the "last" field after 6:30pm EST reflect the most recent price for after hours trading (if any after hours trading occurred)? For pre-market conditions the next day, I don't think I can "cycle" through all 2000 symbols to generate summary messages as the only indication of pre-market trades would be through a trade update. Is that correct?
DTN_Jay_Froscheiser -VP, Product Operations- Posts: 1746 Joined: May 3, 2004 DTN IQFeed/DTN.IQ/DTN NxCore	Posted: Sep 12, 2007 04:23 PM Msg. 2 of 2 see http://forums.dtn.com/index.cfm?page=topic&topicID=1796 Jay Froscheiser DTN - Trading Markets