NASDAQ Announces Mid-Month Open Short Interest Positions in NASDAQ Stocks as of Settlement Date August 15, 2011

NEW YORK, Aug. 24, 2011 (GLOBE NEWSWIRE) -- At the end of the settlement date of August 15, 2011, short interest in 2,297 NASDAQ Global MarketSM securities totaled 6,913,397,284 shares compared with 6,640,112,203 shares in 2,294 Global Market issues reported for the prior settlement date of July 29, 2011. The mid-August short interest represents 2.73 days average daily NASDAQ Global Market share volume for the reporting period, compared with 3.60 days for the prior reporting period.

Short interest in 492 securities on The NASDAQ Capital MarketSM totaled 352,803,605 shares at the end of the settlement date of August 15, 2011 compared with 354,638,318 shares in 492 securities for the previous reporting period. This represents 4.31 days average daily volume, compared with the previous reporting period's figure of 4.71.

In summary, short interest in all 2,789 NASDAQ® securities totaled 7,266,200,889 shares at the August 15, 2011 settlement date, compared with 2,786 issues and 6,994,750,521 shares at the end of the previous reporting period. This is 2.78 days average daily volume, compared with an average of 3.65 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 more than 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@NASDAQ.Com

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