RCD Invesco S&P 500 Equal Weight Consumer Discretionary ETF

Morgan, Lewis & Bockius LLP
1111 Pennsylvania Avenue, NW
Washington, DC 20004

March 5, 2008

VIA EDGAR

Filing Room
U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933 (the "1933 Act"), I hereby certify on behalf of Rydex ETF Trust (the "Trust") that the forms of prospectuses and Statements of Additional Information dated March 1, 2008 that would have been filed pursuant to Rule 497(c) under the 1933 Act, do not differ from those filed as part of Post-Effective Amendment No. 10 to the Trust's registration statement on Form N-1A, filed electronically with the SEC via EDGAR Accession No. 0000935069-08-000443 on February 28, 2008.

Please do not hesitate to contact me at 202.739.5654 or Laura Flores at 202.739.5684 should you have any questions.

Sincerely,

/S/ W. JOHN MCGUIRE
-------------------
W. John McGuire

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