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»Forums Index »Archive (2017 and earlier) »Data and Content Support »Missing Level 1 updates

Author	Topic: Missing Level 1 updates (3 messages, Page 1 of 1)
nigelp -Interested User- Posts: 4 Joined: Jun 10, 2010	Posted: Jun 10, 2010 12:09 PM Msg. 1 of 3 I'm watching symbols for Level 1 updates using TCP/IP. (i.e. sending a "w[symbol]<CR><LF>" message) Most of the symbols I watch send updates correctly. There are a few symbols which send the following message: Q,xxx,,Not Found,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, where xxx is the ticker symbol. The following symbols do this: EQ, EAC, ACS, BDK, RX, MVL, TRA, BNI, ORH, MVSN, AOC, CXG, SEPR, CTX, HLTH, PBG, PAS, FCL, PCU, WYE, SGP, SGR, WMI. I can download historical data for these symbols without any problem, so I assume the tickers are valid.
DTN_Steve_S -DTN Guru- Posts: 2093 Joined: Nov 21, 2005	Posted: Jun 10, 2010 03:14 PM Msg. 2 of 3 These are not valid symbols. If you take a look at the history data for these symbols, they all stopped trading some time ago and are defunct. The reason that you are able to still get history for these symbols is because we no longer restrict history requests to symbols that are currently valid. This allows us to provide historical data for expired futures contracts.
nigelp -Interested User- Posts: 4 Joined: Jun 10, 2010	Posted: Jun 10, 2010 05:34 PM Msg. 3 of 3 Great - thanks