Exhibit 99.906 Cert

                                                                     EXHIBIT (b)

                          Rule 30a-2(b) CERTIFICATIONS

       Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections
(a) and (b) of section 1350, chapter 63 of title 18, United States Code), each
of the undersigned officers of Rydex ETF Trust (the Registrant), do hereby
certify, to such officer's knowledge, that:

          (1)  the Rydex ETF Trust on Form N-CSR of the Registrant for the
               annual period ended October 31, 2004 (the "Form N-CSR") fully
               complies with the requirements of Section 13(a) or 15(d) of the
               Securities Exchange Act of 1934; and

          (2)  the information contained in the Form N-CSR fairly presents, in
               all material respects, the financial condition and results of
               operations of the Registrant.


Dated: December 28, 2004
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/s/ Carl Verboncoeur
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Name:  Carl Verboncoeur

Title: President


Dated: December 28, 2004
      ----------------------


/s/ Nick Bonos
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Name:  Nick Bonos

Title: Treasurer

This certification is being furnished solely pursuant to 18 U.S.C. ss. 1350 and
is not being filed as part of the Report or as a separate disclosure document.