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    <isConfidential>false</isConfidential>
    <filerInfo>

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          <ccc>XXXXXXXX</ccc>
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        <classId>C000010434</classId>
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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>
      <seriesName>Weakening Dollar 2x Strategy Fund</seriesName>
      <seriesId>S000003761</seriesId>
      <seriesLei>549300HVQE9YLGG0R688</seriesLei>
      <repPdEnd>2024-03-31</repPdEnd>
      <repPdDate>2024-03-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
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      <totLiabs>7640.12</totLiabs>
      <netAssets>946956.48</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
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        <fundsDesignatedInfo>
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          <indexIdentifier>US0RISPROX</indexIdentifier>

        </fundsDesignatedInfo>

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    </fundInfo>
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        <securityLending>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>None</couponKind>
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          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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      <invstOrSec>
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            <descRefInstrmnt>
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      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2024-04-30</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>
</edgarSubmission>
