NASDAQ Announces End-of-Month Open Short Interest Positions in NASDAQ Stocks as of Settlement Date December 30, 2011

NEW YORK, Jan. 11, 2012 (GLOBE NEWSWIRE) -- At the end of the settlement date of December 30, 2011, short interest in 2,271 NASDAQ Global MarketSM securities totaled 6,433,379,539 shares compared with 6,558,926,307 shares in 2,267 Global Market issues reported for the prior settlement date of December 15, 2011. The end-of-December short interest represents 3.60 days average daily NASDAQ Global Market share volume for the reporting period, compared with 4.05 days for the prior reporting period.

Short interest in 481 securities on The NASDAQ Capital MarketSM totaled 360,791,843 shares at the end of the settlement date of December 30, 2011 compared with 369,117,233 shares in 487 securities for the previous reporting period. This represents 6.39 days average daily volume, compared with the previous reporting period's figure of 5.99.

In summary, short interest in all 2,752 NASDAQ® securities totaled 6,794,171,382 shares at the December 30, 2011 settlement date, compared with 2,754 issues and 6,928,043,540 shares at the end of the previous reporting period. This is 3.68 days average daily volume, compared with an average of 4.12 days for the previous reporting period.

The open short interest positions reported for each NASDAQ security reflect the total number of shares sold short by all broker/dealers regardless of their exchange affiliations. A short sale is generally understood to mean the sale of a security that the seller does not own or any sale that is consummated by the delivery of a security borrowed by or for the account of the seller.

For more information on NASDAQ Short interest positions, including publication dates, visit

http://quotes.nasdaq.com/asp/MasterDataEntry.asp?page=ShortInterest

or http://www.nasdaqtrader.com/asp/short_interest.asp.

About NASDAQ OMX

The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with approximately 3,500 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 http://www.nasdaqomx.com. Please follow NASDAQ OMX on Facebook (http://www.facebook.com/nasdaqomx) and Twitter (http://www.twitter.com/nasdaqomx).

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CONTACT: Media Contact: Wayne Lee +1.301.978.4875 Wayne.D.Lee@NASDAQOMX.Com

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