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Tuesday, December 8, 2015

Data Technical News #2015 - 29
Nasdaq to Modify Transmission Schedule for PHLX, NOM and BX Options Data Feeds, Effective Friday, February 26, 2016

Markets Impacted:

Contact Information:

What you need to know:

Nasdaq will modify the transmission schedule for PHLX, NOM and BX Options market data feeds effective Friday, February 26, 2016.

Nasdaq will move up the dissemination times of the Start of Message process by two hours for PHLX, NOM and BX Options proprietary data feeds, to 4:00 a.m., ET.

  • Please note: This change only affects the start-up time of the data feeds. The Start of System Hours will remain the same, at 7:00 a.m., ET.

What is being announced?

Nasdaq will modify the transmission schedule for the PHLX, NOM and BX Options proprietary data feeds. Effective Friday, February 26, 2016, Nasdaq will move up the Start of Message (System Event Code “O”) dissemination time by approximately two hours, to 4:00 a.m., ET.

This change only affects the start-up time of the data feeds. Heartbeat messages will be disseminated until the Start of System Hours. The Start of System Hours (System Event Code “S”) will remain the same, at 7:00 a.m., ET.

What data products are impacted?

Nasdaq will move up the dissemination time of Start of Messages on the following data feeds:

  • PHLX Depth of Market
  • Top of PHLX Options (TOPO)
  • PHLX Orders
  • PHLX Glimpse
  • Best of Nasdaq Options (BONO)
  • Nasdaq ITCH to Trade Options (ITTO)
  • Nasdaq Options Glimpse
  • BX Options Top of Market (BX Top)
  • BX Options Depth of Market (BX Depth)
  • BX Options Glimpse

Where can I find the market data technical interface specifications?

Specification documents are available on the U.S. Derivatives Data Feed Specifications page on the Nasdaq Trader® website.

Why is Nasdaq making this change?

The earlier start of PHLX, NOM and BX Options will better align the Nasdaq Options Markets with Nasdaq's three equity markets. The earlier start of the data feeds will give customers additional time to test connectivity and identify issues before the Start of System Hours.

Where can I find additional information?

For more information about the Nasdaq market data feeds, please contact Nasdaq Global Data Products at +1 301 978 5307.

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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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