Monday, July 02, 2012

Data Technical News #2012 - 23
PHLX Depth of Market Data Feed Now Available in Production

Markets Impacted:

Products Impacted:

  • PHLX Depth of Market

Contact Information:

What you need to know:

  • As announced in Data Technical News # 2012-7, NASDAQ OMX® now offers a new direct market data feed -PHLX Depth of Market- which provides full depth of quotes, depth of orders, net order imbalance information for the opening cross and last sale data for PHLX.
  • Effective Monday, July 2, PHLX Depth of Market began disseminating live PHLX Depth data.

What is PHLX Depth of Market?

PHLX Depth of Market (PHLX Depth) is a direct, low-latency market data feed, pending Securities and Exchange Commission (SEC) approval, that is designed to provide full depth of quotes, depth of orders, net order imbalance information for the opening cross and last sale data directly to subscribers.

PHLX Depth is similar to the NASDAQ Options Markets ITCH to Trade Options (ITTO) data feed. For easier development, the specification is similar to the ITTO v3.0 specification.

As with other PHLX market data feeds, NASDAQ OMX will support three multicast groups for PHLX Depth, also called the "A feed", "B feed" and "C feed". NASDAQ OMX will provide local redundancy in the New York Metro Area ("A feed") and ("B feed"), while using the Mid-Atlantic Region ("C feed") for disaster recovery in the event that order entry is switched from the New York Metro Area.

What is the bandwidth recommendation for PHLX Depth?

PHLX Depth will be offered in uncompressed version only. The bandwidth recommendation is 250 Megabits (Mb) per data stream.

What do firms need to do to connect to PHLX Depth?

New IP address information and updated data feed request forms are available.

What are the fees for PHLX Depth?

PHLX data feed fees were previously announced in Data News #2012-7

Is the PHLX Depth interface specification available?

New specification documents are available on the NASDAQ OMX Global Data Products - U.S. Derivative Data Feed Specifications page on the NASDAQ OMX Trader® website. For your convenience, the link is also provided below:

Contact Information

For questions regarding the PHLX Depth or PHLX Orders data feeds, please contact NASDAQ OMX Global Data Products at +1 301 978 5307.


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About the NASDAQ OMX Group:
The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with more than 3,600 listed companies. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market, NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North, and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and exchange-traded funds. NASDAQ OMX technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit www.nasdaqomx.com.

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