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Wednesday, March 17, 2010

Financial Products News #2010 - 11
NASDAQ OMX Provides Saturday User Acceptance Test for New GIDS As/Of Summary Message Format

Markets Impacted:

  • All Markets

Data Feeds Impacted:

  • NASDAQ OMX Global Index Data Service (GIDS)

Contact Information:

What you need to know:

  • As announced in Financial Products News #2010-007, NASDAQ OMX® introduced a new As/Of Summary message for the Global Index Data ServiceSM (GIDSSM) to report or replace a closing summary message that occurred earlier than the current day.
  • On Saturday, March 27, 2010, NASDAQ OMX will provide a weekend User Acceptance Test (UAT) in support of the April 5, 2010 release of the new GIDS message.

What is the new As/Of Summary Message?

The As/Of Summary message (Category A – Type F) will be used to report closing prices or summary information to allow for corrections of previous day(s) closing prices or summary information. The As/Of Summary message will include an explicit As/Of action and effective date field in order to facilitate the vendor’s processing and allow for a new As/Of Summary message to be correctly applied to historical databases..

Category A - Type F

Instrument Identifier Currency Open Value High Value Low Value Closing Value
18 3 12 12 12 12
Net Change Value Net Change Direction Closing Market Value As/Of Action Effective Date
12 1 53 1 8

Will NASDAQ OMX offer testing opportunities for the new message type?

Yes, in preparation for this change, NASDAQ OMX has added one weekend test. On Saturday, March 27, 2010, a user acceptance test (UAT) will be conducted between 9:00 a.m. and 12:00 p.m., Eastern Time (ET). The following testing opportunities are now available:

Type of Testing Scheduled Dates Desription
Evening Test Transmissions Monday, March 1, 2010 through Friday, April 2, 2010 A test file will be recorded to be replayed in the evenings from 9:00 p.m. to 10:30 p.m., ET, to all data feed subscribers. No registration is required to participate in evening testing. During this time, NASDAQ OMX will broadcast on the production GIDS IP Multicast Groups.
Saturday User Acceptance Tests (UATs) Saturday, March, 27, 2010 NASDAQ OMX will play prerecorded data containing the new Index As/Of Summary message. During this time NASDAQ OMX will be broadcasting on the production GIDS IP Multicast Groups. Advance registration is requested for the UATs.

To register for the UATs, please email your testing contact information to NASDAQ OMX Global Data Products at least one day prior to the scheduled testing date.

Is there any impact to existing summary messages?

No. The As/Of summary message is a new message and will not affect the current GIDS End of Day Summary Message (Category A - Type B). The End-of-Day Summary Message will continue to support current day summary message processing which currently is as follows:

  • Approximately 12:30 p.m., ET: Current day summary messages for the Nordic and Baltic markets.
  • Approximately 5:30 p.m. ,ET: Current day summary messages for U.S.-based indexes.

Will the new As/Of Summary message affect how I receive restated index values today?

Yes. In the third quarter of 2010, NASDAQ OMX plans to phase out the current method of providing customers with database correction notices via the Financial News Alerts emails. In order to continue to receive prior trading day correction notifications, customers must begin processing the As/Of Summary message to ensure accuracy of their historical databases. NASDAQ OMX will announce the transition plan once more information is available.

Where can I find additional information?

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