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    <isConfidential>false</isConfidential>
    <accessionNumber>0001752724-24-048488</accessionNumber>
    <filerInfo>

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          <ccc>XXXXXXXX</ccc>
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      <regFileNumber>811-07584</regFileNumber>
      <regCik>0000899148</regCik>
      <regLei>5493004D62WV1EDNTU07</regLei>
      <regStreet1>702 King Farm Blvd., Suite 200</regStreet1>
      <regCity>Rockville</regCity>
      <regStateConditional regCountry="US" regState="US-MD"/>
      <regZipOrPostalCode>20850</regZipOrPostalCode>
      <regPhone>301-296-5100</regPhone>
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      <repPdEnd>2024-03-31</repPdEnd>
      <repPdDate>2023-12-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>195303.46</totLiabs>
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      <assetsInvested>0.00000000</assetsInvested>
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        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
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            <counterparties>
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            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
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                <issuerName>N/A</issuerName>
                <issueTitle>US 30yr 6.00%</issueTitle>
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                  <other otherDesc="Interest Rate Future" value="US 30yr 6.00%"/>
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      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2024-07-15</ncom:dateSigned>
      <ncom:nameOfApplicant>Rydex Series Funds</ncom:nameOfApplicant>
      <ncom:signature>James Howley</ncom:signature>
      <ncom:signerName>James Howley</ncom:signerName>
      <ncom:title>CFO</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
