SAS | The Power to Know

Finding the National Best Bid and Offer –
Quote by Quote (Hosted by IFSUG)

Thursday,  May 5   |  4 – 5 p.m. ET

IFSUG logo

Register here to attend the IFSUG meeting on May 5 for professional development and networking with fellow SAS users.

Did you know that there are more than 1 billion stock quotes for nearly 8,000 stocks on a normal trading day for the 12 US stock exchanges? The sheer volume of data (about 80GB of storage daily) has become a major operational consideration for market research on NBBO – or National Best Bid and Offer – values.

Join us as Mark Keintz demonstrates a straightforward approach for using hash tables to track constantly changing quotes for each ticker/exchange combination, and an efficient means to determine changes in NBBO with every new quote. Register for this complimentary webinar hosted by the Insurance and Finance SAS® Users Group (IFSUG).

About the Presenter

Mark Keintz

Mark Keintz is a Consulting Data Analyst at Wharton Research Data Services. His interests are primarily in development of financial research and education applications and efficient use of large data sets.

IFSUG is a group open to all SAS users in the financial services industry. Its purpose is to provide a forum for the exchange of ideas and information, and to facilitate SAS skills development. To learn more and join the group, visit

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