Thursday, June 10, 2010

Equity Regulatory Alert #2010 - 5
Market-Wide Circuit Breaker Functionality to Launch on Monday, June 14, 2010

Markets Impacted:

Contact Information:

What you need to know:

  • The Securities and Exchange Commission (SEC) has approved the rule filings for The NASDAQ Stock Market® (NASDAQ®) and NASDAQ OMX BXSM (BXSM), along with other U.S. equity exchanges, to establish a trading pause for individual stocks in the S&P 500 Index that experience a price change of 10% as announced in Equity Regulatory Alert #2010-3.
  • NASDAQ and BX will institute the new functionality effective Monday, June 14, 2010.

What has the SEC approved?

As announced in Equity Regulatory Alert #2010-3, in conjunction with all U.S. equity exchanges, NASDAQ and BX filed with the SEC to establish a trading pause for individual stocks in the S&P 500 Index that experience a price change of 10% or more for a pilot period.

Today, the SEC approved this rule change for all U.S. equity markets. Therefore, both NASDAQ and BX will launch the market-wide single stock circuit breaker functionality for securities in the S&P 500 Index on Monday, June 14, 2010, as previously announced.

Is testing available for the Single Stock Trading Pause?

Yes, NASDAQ OMX® will offer testing this Saturday, June 12, 2010. Refer to Equity Technical Alert #2010-9 for testing details.

Where can I find additional information?

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