NEW YORK, Jan. 11, 2011 (GLOBE NEWSWIRE) -- At the end of the settlement date of December 31, 2010, short interest in 2,359 NASDAQ Global MarketSM securities totaled 6,135,284,764 shares compared with 6,527,169,027 shares in 2,371 Global Market issues reported for the prior settlement date of December 15, 2010. The end-of-December short interest represents 3.52 days average daily NASDAQ Global Market share volume for the reporting period, compared with 3.85 days for the prior reporting period.
Short interest in 495 securities on The NASDAQ Capital MarketSM totaled 333,171,668 shares at the end of the settlement date of December 31, 2010 compared with 313,338,005 shares in 487 securities for the previous reporting period. This represents 3.65 days average daily volume, compared with the previous reporting period's figure of 3.63.
In summary, short interest in all 2,854 NASDAQ® securities totaled 6,468,456,432 shares at the December 31, 2010 settlement date, compared with 2,858 issues and 6,840,507,032 shares at the end of the previous reporting period. This is 3.52 days average daily volume, compared with an average of 3.84 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