NDAQ Nasdaq Inc

At the end of the settlement date of September 29, 2017, short interest in 2,341 Nasdaq Global MarketSM securities totaled 7,668,720,475 shares compared with 7,668,720,475 shares in 2,341 Global Market issues reported for the prior settlement date of September 15, 2017. The end-of-September short interest represents 5.30 days average daily Nasdaq Global Market share volume for the reporting period, compared with 5.12 days for the prior reporting period.

Short interest in 852 securities on The Nasdaq Capital MarketSM totaled 878,775,433  shares at the end of the settlement date of September 29, 2017 compared with 937,507,784 shares in 848 securities for the previous reporting period. This represents 3.06 days average daily volume, compared with the previous reporting period’s figure of 3.00.

In summary, short interest in all 3,193 Nasdaq® securities totaled 8,547,495,908 shares at the September 29, 2017 settlement date, compared with 3,195 issues and 8,523,348,501 shares at the end of the previous reporting period. This is 4.93 days average daily volume, compared with an average of 4.75 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, visithttp://www.nasdaq.com/quotes/short-interest.aspxor http://www.nasdaqtrader.com/asp/short_interest.asp.

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Media Contact:                     Christine Barna646.441.5310Christine.Barna@nasdaq.com