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10-Q - NYFIX INCv164910_10q.htm
EX-31.2 - NYFIX INCv164910_ex31-2.htm
EX-32.2 - NYFIX INCv164910_ex32-2.htm
EX-31.1 - NYFIX INCv164910_ex31-1.htm
EXHIBIT  32.1

Certification of Chief Executive Officer
pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act Of 2002
 
In connection with the Quarterly Report on Form 10-Q of NYFIX, Inc. for the quarterly period ended September 30, 2009, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), P. Howard Edelstein, as Chief Executive Officer of NYFIX, Inc., hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of NYFIX, Inc.

Dated: November 6, 2009
 
   
 
By:
s / P. Howard Edelstein
 
P. Howard Edelstein
 
President and Chief Executive Officer