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NYSE Trader

Merged Order Log Redesign

14 Dec 2009

The Merged Order Log file format is being redesigned to support expanded quantity fields, the addition of new fields such as the Account Id (FIX Tag 1) and the removal of obsolete fields such as the old Activity Id.

To facilitate the transition to the new format, the current format will be supported for an interim time period. It is expected that the new format will be available for recipients to test with in early March, 2010. All users must convert to the new format by late May, 2010.

Please reference the attached documents below for further details.
Trading Technology Information Memo
Merged Order Log Specification Document

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