Monday, April 19, 2010

Equity Technical Update #2010 - 7
NASDAQ ACT Unsolicited Messages to Include Short Sale Information Effective April 26, 2010

Markets Impacted:

Contact Information:

What you need to know:

  • NASDAQ OMX® will modify the content of the Unsolicited Messages from ACTSM for clearing firms beginning Monday, April 26, 2010.

What is changing within ACT?

NASDAQ OMX will begin including short sale information on ACT Unsolicited Messages for clearing firms starting Monday, April 26, 2010.

The following clearing messages will now contain a value in FIX tag 853 and CTCI field B/S/X to indicate a short sale designation when applicable:

  • CTEN
  • CREN
  • CGEN
  • TTAL
  • CRAL
  • CGAL
  • TTNW
  • TRNW
  • TGNW

Were the ACT specifications updated for this change?

No, the ACT specifications were not affected by this change.

Where can I find additional information?



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