Monday, December 15, 2008

General News #2008 - 10
Symbol Directory Market Participant List and NASDAQ BX Member Status

Please Route To:

Head Traders; Technical Contacts; Compliance Officers; Vendor Technical Contacts

What you need to know:

  • The “NASDAQ BX Member” field will now be indicated with a “Y” in the Symbol Directory Market Participant List on the NASDAQ OMX Trader website, as well as the downloadable and File Transfer Protocol (FTP) Market Participant files.
  • All NASDAQ OMX Trader users of this file should expect to see a “Y” value populating in the download file effective Monday, December 22, 2008.

Who you should contact:

Questions regarding this notice can be directed to


As announced in General News #2008-4, a new field was added to the Market Participant Symbol Directory and downloadable files on the NASDAQ OMX Trader® website, as well as the FTP downloadable files. This field was added as part of the NASDAQ OMX acquisition of the Boston Stock Exchange (NASDAQ OMX BX).

The new field, called "NASDAQ BX Member", is located after the "FINRA Member" field in the following two downloadable files:

When the new field was added, it was initially populated with the "N" value. Per General News #2008-4, the intention has been to change this symbol to “Y” when indicating an organization is approved as a NASDAQ OMX BX member.

When will the new field began to populate with the value of "Y"?

Effective Monday, December 22, 2008, the "NASDAQ BX Member" field will begin to populate the "Y" value for certain organizations. Any firm with a status "Y" indicates their NASDAQ OMX BX membership is pending SEC approval of the new NASDAQ OMX BX rules governing membership.

See Head Trader Alert #2008-126 and Head Trader Alert #2008-130 for more information about BX.

Please refer to the data fields and definitions for the file format and specifications of the MPID download file.

Who should I contact with questions regarding this notice?

Questions regarding this notice can be directed to

Email Alert Subscriptions:
Nasdaq offers customers the ability to self select news delivery across various Nasdaq markets. Create and maintain a profile for updating alert preferences and contact information. Visit the enrollment form on the Nasdaq Trader website and sign up today! Please note that if you choose to unsubscribe from an email list, you may no longer receive potentially critical emails from the NASDAQ Stock Market regarding Nasdaq's trading and data products, regulatory issues or marketplace initiatives. To unsubscribe, also click on the enrollment form

Please follow Nasdaq on Facebook RSS and Twitter.

Nasdaq (Nasdaq: NDAQ) is a leading global provider of trading, clearing, exchange technology, listing, information and public company services. Through its diverse portfolio of solutions, Nasdaq enables customers to plan, optimize and execute their business vision with confidence, using proven technologies that provide transparency and insight for navigating today's global capital markets. As the creator of the world's first electronic stock market, its technology powers more than 90 marketplaces in 50 countries, and 1 in 10 of the world's securities transactions. Nasdaq is home to approximately 3,900 total listings with a market value of approximately $13 trillion. To learn more, visit: