[ by Howard Haykin ]

This Saturday, 3/2,  Nasdaq and other Exchanges and market centers will be offering industry-wide testing to support both the Limit Up/Limit Down and the revised Market Wide Circuit Breakers.   Each Exchange and any specifically assigned testing members will be running through a set of core scenarios outlined below in names that only they can use. 

All other industry testing participants will be able to test the functionalities in the symbol list provided below.  PHLX, NOM and BX Options will also be participating in this weekend's test.

Markets Impacted:  This list contained only exchanges affiliated with Nadsaq OMX.  Check directly with others for details on their participation:

• The NASDAQ Stock Market
• NASDAQ OMX BX
• NASDAQ OMX PSX
• The NASDAQ Options Market
• NASDAQ OMX PHLX
• NASDAQ OMX BX Options

Contact Information:    NASDAQ OMX Trade Desk at +1 212 231 5100;    Transaction Services U.S. Market Sales at +1 800 846 0477.

What is happening?   NASDAQ OMX is conducting 4 Saturday tests as part of an industry wide effort to ensure that its Members are properly prepared for the market wide system changes coming for Limit Up/Limit Down and the revised Market Wide Circuit Breakers.

What is the anticipated industry test plan?   Each Exchange will be executing core scenarios linked to below as part of this test. There are two symbol lists below. The first list is specifically reserved for only Exchanges to test and unless you have been notified by an Exchange you may NOT use the symbols in the first list below. The second list will be available for all industry participants to test this Saturday.

For further details, go to:  [ NasdaqTrader Equity Technical Update #13-11, 2/26/13 ].