NEW YORK, Nov. 9, 2011 (GLOBE NEWSWIRE) -- At the end of the settlement date of October 31, 2011, short interest in 2,277 NASDAQ Global MarketSM securities totaled 6,718,917,154 shares compared with 7,157,409,848 shares in 2,288 Global Market issues reported for the prior settlement date of October 14, 2011. The end-of-October short interest represents 3.66 days average daily NASDAQ Global Market share volume for the reporting period, compared with 3.15 days for the prior reporting period.
Short interest in 496 securities on The NASDAQ Capital MarketSM totaled 352,392,555 shares at the end of the settlement date of October 31, 2011 compared with 355,968,209 shares in 495 securities for the previous reporting period. This represents 7.48 days average daily volume, compared with the previous reporting period's figure of 7.46.
In summary, short interest in all 2,773 NASDAQ® securities totaled 7,071,309,709 shares at the October 31, 2011 settlement date, compared with 2,783 issues and 7,513,378,057 shares at the end of the previous reporting period. This is 3.75 days average daily volume, compared with an average of 3.24 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
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