There was a client notice that went out last month that stated on 1 Nov
we are lowering the threshold from 1000 to 250. We update the current
3.1 spec to reflect this change.
NYSE Arca Equities Market Specification Update Notification:
• Bulletin Board data added to ArcaBook via the multicast environment
• Thresholds changing to 250 packets per request and 10,000 requests per day
Summary: NYSE Arca is pleased to announce that Bulletin Board (BB) data has been added to ArcaBook via the
multicast environment. This enhancement will provide our customers with a faster and deeper look at
NYSE Arca data.
In addition, in order to provide timely multicast retransmissions NYSE Arca is changing the threshold to
250 maximum packets at a time per request and 10,000 total requests per channel per day effective
Monday, November 1, 2008.
ArcaBook Specification 3.1 has been updated to reflect these changes, to learn more visit:
http://www.nyxdata.com/nysedata/default.aspx?tabid=710
http://www.nyse.com/pdfs/BB_Data_ArcaBook.pdf
If you have any questions of concerns, please feel free to contact the FIX Team: connectivity@nyx.com or
+1 888 689 7739 option #1.
|