NASDAQ Adds New Features To Data Product For Professional Market Participants

The Nasdaq Stock Market, Inc. (NASDAQ®) today announced new enhancements to NASDAQ PostDataSM, an online data product that helps professional market participants make better-informed business decisions.

NASDAQ PostData provides accurate, comprehensive trading information that allows broker/dealers to compare themselves to the competition and assists all market participants in deciding where to send order flow.

"In an increasingly competitive marketplace, NASDAQ saw the need to offer these new enhancements," said Adena Friedman, executive vice president of NASDAQ Data Products. "Market participants now enjoy the benefit of having a more comprehensive view of NASDAQ liquidity."

The enhancements provide subscribers to PostData access to daily share, trade, and dollar volume data for all NASDAQ Market Makers two weeks after the transactions occur (T+10 data). This enhancement adds to PostData's long-standing functionality of offering daily share, trade, and dollar volume information from select participating market participants one day after the transactions occur (T+1 data).

In addition to the full complement of T+1 data from participating market makers, subscribers can now view 35 rolling calendar days of historical trading data starting at T+10 of the following daily volume data from all Market Makers: Total Activity, Sell Volume, Buy Volume, Cross Volume and volume reported to NASDAQ's Automated Confirmation Transaction ServiceSM (ACTSM). ACT provides post-execution services, including price and volume reporting, comparison, and clearing of pre-negotiated trades completed in NASDAQ's systems-making PostData information the most accurate data available.

NASDAQ PostData also consists of the following trading data reports:

• Monthly Volume Summaries that rank the top 50 market participants by industry sector, security type, or total and block volume; and
• Daily Issue Data that provides a summary of the previous day's activity for all NASDAQ issues, including price, total shares outstanding, dividend data, and more.

PostData is currently available in the Secure Data section of the nasdaqtrader.com web site. To view a sample Web report of PostData, go to www.nasdaqtrader.com and choose "Hot Topics", then "NASDAQ PostData." Broker/dealers and institutional investors that have questions should contact the NASDAQ Trader Product Team at (301) 978-5200 or traderfeedback@nasdaq.com. Data vendors interested in re-distributing PostData to their customers should also contact the NASDAQ Trader Product Team for more information.

NASDAQ (OTCBB:NDAQ) is the world's largest electronic stock market. With approximately 3,700 companies, NASDAQ lists more companies and trades more shares per day than any other U.S. market. It is home to category-defining companies that are leaders across all areas of business including technology, retail, communications, financial services, media and biotechnology industries. For more information about NASDAQ, visit the NASDAQ Web site at www.NASDAQ.com or the NASDAQ NewsroomSM at www.NASDAQnews.com.