News Detail
News Detail

June 2012

NSX Appoints William Karsh as Special Advisor
Tuesday, June 12, 2012

National Stock Exchange, Inc. (NSX), wholly-owned by the CBOE Stock Exchange, LLC (CBSX), announced today the appointment of William Karsh as Special Advisor.

Karsh's expertise in electronic trading and market structures, plus his extensive industry experience, will help spearhead the exchange's strategic growth initiatives.

Prior to joining NSX, Karsh served as CEO and COO of Direct Edge Stock Exchange, Inc., where he introduced the dual exchange model and Enhanced Liquidity Program. He has held other senior executive positions at Knight Trading Group, UNX Inc., Trading Services Group, Inc., Sun America and the National Discount Brokers Group.

"NSX is building a deeper management team to drive our continued growth," said Francis T. Corcoran, NSX President and Chief Administrative Officer. "As evidenced by the addition of Bill Karsh, we are adding individuals who possess a strong entrepreneurial spirit and a wealth of experience in exchange operations, electronic trading and technology."

About the National Stock Exchange
The National Stock Exchange, Inc. (NSX), headquartered in Jersey City, NJ, offers trading in all U.S. exchange-listed equities and exchange traded funds (ETFs) on its NSX BLADE® trading platform. Originally founded as the Cincinnati Stock Exchange (CSX), NSX became the first all-electronic exchange in the U.S. in 1980. The NSX and its wholly-owned routing broker-dealer are regulated by the SEC and FINRA.

About CBOE Stock Exchange
The all-electronic CBOE Stock Exchange, LLC (CBSX) offers trading in more than 7,600 equities and exchange traded funds (ETFs) listed on U.S. securities markets. CBSX operates as a facility of CBOE. CBOE is the largest owner of CBSX (www.cbsx.com), with remaining ownership shared by a consortium of nine broker-dealers. In December 2011, CBSX completed its acquisition of NSX, with both exchanges operating separately under their current names.

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