EX.-10(b)(i)



                                 CERTIFICATIONS



I, Carl G. Verboncoeur, certify that:

1. I have reviewed this report on Form N-CSR of Rydex Series Funds;

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact  necessary to make the statements
made, in light of the  circumstances  under which such statements were made, not
misleading with respect to the period covered by this report; and

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information included in this report, fairly present in all material respects the
financial  condition,  results of  operations,  changes in net assets,  and cash
flows (if the financial  statements  are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report.

4.  The  registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Rule 30a-2(c) under the  Investment  Company Act of 1940) for the registrant and
have:

              a) designed such disclosure controls and procedures to ensure that
         material  information   relating  to  the  registrant,   including  its
         consolidated  subsidiaries,  is made known to us by others within those
         entities,  particularly during the period in which this report is being
         prepared;

              b) evaluated  the  effectiveness  of the  registrant's  disclosure
         controls and procedures as of a date within 90 days prior to the filing
         date of this report (the "Evaluation Date"); and

              c)   presented   in  this   report  our   conclusions   about  the
         effectiveness  of the disclosure  controls and procedures  based on our
         evaluation as of the Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation,  to the registrant's auditors and the audit committee of
the registrant's board of trustees:

              a) all  significant  deficiencies  in the design or  operation  of
         internal controls which could adversely affect the registrant's ability
         to record, process, summarize, and report

         financial  data and have identified  for the  registrant's  auditors
         any material weaknesses in internal controls; and


              b) any fraud, whether or not material, that involves management or
         other  employees  who  have a  significant  role  in  the  registrant's
         internal controls; and

6. The  registrant's  other  certifying  officers  and I have  indicated in this
report whether or not there were significant  changes in internal controls or in
other factors that could  significantly  affect internal controls  subsequent to
the date of our most recent  evaluation,  including any corrective  actions with
regard to significant deficiencies and material weaknesses.

Date: November 24, 2003



                                              /s/ Carl G. Verboncoeur
                                              -----------------------------
                                              Carl G. Verboncoeur,
                                              Principal Executive Officer







                                                                   EX.-10(b)(ii)

                                 CERTIFICATIONS



I, Carl G. Verboncoeur, certify that:

1. I have reviewed this report on Form N-CSR of Rydex Series Funds;

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact  necessary to make the statements
made, in light of the  circumstances  under which such statements were made, not
misleading with respect to the period covered by this report; and

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information included in this report, fairly present in all material respects the
financial  condition,  results of  operations,  changes in net assets,  and cash
flows (if the financial  statements  are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report.

4.  The  registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Rule 30a-2(c) under the  Investment  Company Act of 1940) for the registrant and
have:

              a) designed such disclosure controls and procedures to ensure that
         material  information   relating  to  the  registrant,   including  its
         consolidated  subsidiaries,  is made known to us by others within those
         entities,  particularly during the period in which this report is being
         prepared;

              b) evaluated  the  effectiveness  of the  registrant's  disclosure
         controls and procedures as of a date within 90 days prior to the filing
         date of this report (the "Evaluation Date"); and

              c)   presented   in  this   report  our   conclusions   about  the
         effectiveness  of the disclosure  controls and procedures  based on our
         evaluation as of the Evaluation Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation,  to the registrant's auditors and the audit committee of
the registrant's board of trustees:

              a) all  significant  deficiencies  in the design or  operation  of
         internal controls which could adversely affect the registrant's ability
         to  record,  process,  summarize,  and report  financial  data and have
         identified  for the  registrant's  auditors any material  weaknesses in
         internal controls; and


              b) any fraud, whether or not material, that involves management or
         other  employees  who  have a  significant  role  in  the  registrant's
         internal controls; and

6. The  registrant's  other  certifying  officers  and I have  indicated in this
report whether or not there were significant  changes in internal controls or in
other factors that could  significantly  affect internal controls  subsequent to
the date of our most recent  evaluation,  including any corrective  actions with
regard to significant deficiencies and material weaknesses.



Date: November 24, 2003


                                              /s/ Carl G. Verboncoeur
                                              -----------------------------
                                              Carl G. Verboncoeur,
                                              Vice President & Treasurer