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Thursday, January 21, 2016

Data Technical News #2016 - 3
Nasdaq Extends Migration for NLS, NLS Plus, BLS, PLS, and QBBO Offerings to Friday, February 26, 2016

Markets Impacted:

Products Impacted:

Contact Information:

What you need to know:

    On October 1, 2015, Nasdaq introduced new versions of Nasdaq Last Sale (NLS), NLS Plus, Nasdaq Best Bid and Offer (QBBO), BX Last Sale (BLS), and PSX Last Sale (PLS).

    The new 2.1 versions support messaging for NextShares (ETMFs) as well as increased timestamp granularity.

    At the request of subscribers, Nasdaq has extended the parallel period of the 2.0 and 2.1 versions until Friday, February 26, 2016.

    To avoid loss of data on Monday, February 29, 2016, subscribers are required to migrate to versions 2.1 by February 26, 2016.

What is changing?

On October 1, 2015, Nasdaq introduced new versions of Nasdaq Last Sale (NLS), NLS Plus, Nasdaq Best Bid and Offer (QBBO), BX Last Sale (BLS), and PSX Last Sale (PLS).

As outlined in Data Technical News #2015–7, Nasdaq will introduce NextShares as a new instrument class in 2016. Versions 2.1 of NLS, NLS Plus, and QBBO will incorporate changes to accommodate the new exchange-listed class. In addition, as announced in Data Technical News #2015–11, versions 2.1 of NLS, NLS Plus, BLS, and PLS increased timestamp granularity to reflect nanoseconds.

The new 2.1 data feeds were launched in parallel with the retiring 2.0 versions. At the request of subscribers, Nasdaq has extended the termination of the 2.0 versions until Friday, February 26, 2016. To avoid loss of data on Monday, February 29, 2016, subscribers are required to migrate to versions 2.1 by February 26, 2016.

Data Feed Nanosecond Timestamp Granularity New NextShares Messaging New UDP/IP Addresses
Nasdaq Last Sale (NLS) 2.1 Yes Yes Yes
NLS Plus 2.1 Yes Yes Yes
Nasdaq Best Bid and Offer (QBBO) 2.1* No Yes Yes
BX Last Sale (BLS) 2.1 Yes No Yes
BX Best Bid and Offer (BX BBO) 2.1* No No No
PSX Last Sale (PLS) 2.1 Yes No Yes
PSX Best Bid and Offer (PSX BBO) 2.1* No No No

*The timestamp on the BBO data feeds are currently disseminated at the nanosecond granularity. For uniformity, BX BBO and PSX BBO were also moved to 2.1 versions. There are no data formatting or networking changes required for these two data feeds.

Where can I find the updated technical specifications?

Please refer to the Global Data Specifications Page on the Nasdaq Trader website for the most recent version of the U.S. Equities data feed interface documents. For your convenience, the new revised technical specifications are also available by clicking on the data feed title in the table above.

What are the new IP addresses?

Please refer to the UDP/IP Address List on the Nasdaq Trader website for the updated IP addresses for the new data feeds. Please note, BX BBO 2.1 and PSX BBO 2.1 do not have new IP addresses.

What do firms need to do to connect to the new versions?

Existing firms will need to complete the Data Feed Request Form to receive the data.

New firms need to complete the following agreements to receive the data:

If you need assistance with the application process, please contact your Nasdaq Sales Representative.

Are test opportunities available?

There is currently a parallel period for the new versions. In addition to the parallel period, Nasdaq will offer a User Acceptance Test (UAT) on the following dates:

  • Saturday, January 23, 2016
  • Saturday, February 6, 2016

Where can I find additional information?

For more information, please contact Nasdaq Global Data Products at + 1 301 978 5307.

Please refer to the Data Feed Technical Specifications.


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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: business.nasdaq.com.

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