<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000899148</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000015881</seriesId>
        <classId>C000043617</classId>
        <classId>C000043615</classId>
        <classId>C000043616</classId>
      </seriesClassInfo>

    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Rydex Series Funds</regName>
      <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>High Yield Strategy Fund</seriesName>
      <seriesId>S000015881</seriesId>
      <seriesLei>9LP714THWJRO0RW4E321</seriesLei>
      <repPdEnd>2024-03-31</repPdEnd>
      <repPdDate>2023-09-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>42052043.78</totAssets>
      <totLiabs>68727.05</totLiabs>
      <netAssets>41983316.73</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>2767838.21000000</cshNotRptdInCorD>
      <curMetrics>
        <curMetric>
          <curCd>USD</curCd>
          <intrstRtRiskdv01 period10Yr="64.22499703" period1Yr="3242.06256558" period30Yr="3.67101537" period3Mon="268.88587665" period5Yr="13572.70381943"/>
          <intrstRtRiskdv100 period10Yr="6422.49970300" period1Yr="324206.25655751" period30Yr="367.10153736" period3Mon="26888.58766515" period5Yr="1357270.38194341"/>
        </curMetric>
      </curMetrics>
      <creditSprdRiskInvstGrade period10Yr="0.00000000" period1Yr="584.45543618" period30Yr="0.00000000" period3Mon="240.59194842" period5Yr="157.50986982"/>
      <creditSprdRiskNonInvstGrade period10Yr="756.13356130" period1Yr="0.00000000" period30Yr="0.00000000" period3Mon="0.00000000" period5Yr="16428.72010470"/>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000043617" rtn1="1.17921800" rtn2="-0.35166200" rtn3="-1.90911300"/>
          <monthlyTotReturn classId="C000043615" rtn1="1.17056100" rtn2="-0.35140700" rtn3="-1.90884000"/>
          <monthlyTotReturn classId="C000043616" rtn1="1.11004500" rtn2="-0.41643400" rtn3="-1.97005100"/>
        </monthlyTotReturns>
        <monthlyReturnCats>
          <creditContracts>
            <mon1 netRealizedGain="-13252.38000000" netUnrealizedAppr="350369.36000000"/>
            <mon2 netRealizedGain="2777.29000000" netUnrealizedAppr="-332642.34000000"/>
            <mon3 netRealizedGain="338319.73000000" netUnrealizedAppr="-773309.94000000"/>
            <swapCategory>
              <instrMon1 netRealizedGain="-13252.38000000" netUnrealizedAppr="350369.36000000"/>
              <instrMon2 netRealizedGain="2777.29000000" netUnrealizedAppr="-332642.34000000"/>
              <instrMon3 netRealizedGain="338319.73000000" netUnrealizedAppr="-773309.94000000"/>
            </swapCategory>
          </creditContracts>
          <interestRtContracts>
            <mon1 netRealizedGain="-184865.00000000" netUnrealizedAppr="34067.47000000"/>
            <mon2 netRealizedGain="-978744.22000000" netUnrealizedAppr="793595.54000000"/>
            <mon3 netRealizedGain="-71585.85000000" netUnrealizedAppr="-439233.07000000"/>
            <futureCategory>
              <instrMon1 netRealizedGain="-184865.00000000" netUnrealizedAppr="34067.47000000"/>
              <instrMon2 netRealizedGain="-978744.22000000" netUnrealizedAppr="793595.54000000"/>
              <instrMon3 netRealizedGain="-71585.85000000" netUnrealizedAppr="-439233.07000000"/>
            </futureCategory>
          </interestRtContracts>
        </monthlyReturnCats>
        <othMon1 netRealizedGain="0.00000000" netUnrealizedAppr="7056.98000000"/>
        <othMon2 netRealizedGain="0.00000000" netUnrealizedAppr="5338.14000000"/>
        <othMon3 netRealizedGain="43.12000000" netUnrealizedAppr="-4762.13000000"/>
      </returnInfo>
      <mon1Flow redemption="10434021.89000000" reinvestment="0.00000000" sales="14088070.08000000"/>
      <mon2Flow redemption="885359.60000000" reinvestment="0.00000000" sales="1474532.82000000"/>
      <mon3Flow redemption="27905507.51000000" reinvestment="0.00000000" sales="21021085.54000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>Bloomberg Barclays U.S. Corporate High Yield Index</nameDesignatedIndex>
          <indexIdentifier>LEH_HY</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>TREASURY BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912796YJ2</cusip>
        <identifiers>
          <isin value="US912796YJ21"/>
        </identifiers>
        <balance>990000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>989565.22000000</valUSD>
        <pctVal>2.357043933341</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-10-05</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>J.P. MORGAN SECURITIES LLC</name>
        <lei>ZBUT11V806EZRVTWT807</lei>
        <title>J.P. Morgan Securities LLC</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="REPO-JP M"/>
        </identifiers>
        <balance>5604596.99000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>5604596.99000000</valUSD>
        <pctVal>13.34958127782</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <notClearedCentCparty isCleared="N">
            <counterpartyInfos>
              <counterpartyInfo lei="ZBUT11V806EZRVTWT807" name="J.P. MORGAN SECURITIES LLC"/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>5.30000000</repurchaseRt>
          <maturityDt>2023-10-02</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>5795877.58000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>5716689.23000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313384PJ2</cusip>
        <identifiers>
          <isin value="US313384PJ21"/>
        </identifiers>
        <balance>2500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2482977.50000000</valUSD>
        <pctVal>5.914200433396</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-11-17</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313384PB9</cusip>
        <identifiers>
          <isin value="US313384PB94"/>
        </identifiers>
        <balance>4700000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>4672970.30000000</valUSD>
        <pctVal>11.13054104336</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-11-10</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313384PG8</cusip>
        <identifiers>
          <isin value="US313384PG81"/>
        </identifiers>
        <balance>3230000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3209001.77000000</valUSD>
        <pctVal>7.643516567872</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-11-15</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TREASURY BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912797GV3</cusip>
        <identifiers>
          <isin value="US912797GV34"/>
        </identifiers>
        <balance>900000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>899868.47000000</valUSD>
        <pctVal>2.143395377233</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-10-03</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Guggenheim Partners Investment Management LLC</name>
        <lei>N/A</lei>
        <title>Guggenheim Ultra Short Duration Fund - Institutional Class</title>
        <cusip>40169J523</cusip>
        <identifiers>
          <isin value="US40169J5231"/>
        </identifiers>
        <balance>133248.98200000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1299177.57000000</valUSD>
        <pctVal>3.094509131699</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Goldman Sachs International</name>
        <lei>W22LROWP2IHZNBB6K528</lei>
        <title>iShares iBoxx $ High Yield Corporate Bond ETF</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="GSSWAP"/>
        </identifiers>
        <balance>16337.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>2287.18000000</valUSD>
        <pctVal>0.005447830657</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DCR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>Goldman Sachs International</counterpartyName>
              <counterpartyLei>W22LROWP2IHZNBB6K528</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>iShares iBoxx $ High Yield Corporate Bond ETF</indexName>
                <indexIdentifier>N/A</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <swapFlag>Y</swapFlag>
            <otherRecDesc fixedOrFloating="Other">iShares iBoxx $ High Yield Corporate Bond ETF-Tenor Monthly</otherRecDesc>
            <floatingPmntDesc curCd="USD" fixedOrFloating="Floating" floatingRtIndex="FEDL01 Index" floatingRtSpread="0.40000000" pmntAmt="0.00000000">
              <rtResetTenors>
                <rtResetTenor rateTenor="Month" rateTenorUnit="1" resetDt="Day" resetDtUnit="1"/>
              </rtResetTenors>
            </floatingPmntDesc>
            <terminationDt>2023-10-26</terminationDt>
            <upfrontPmnt>0.00000000</upfrontPmnt>
            <pmntCurCd>USD</pmntCurCd>
            <upfrontRcpt>0.00000000</upfrontRcpt>
            <rcptCurCd>USD</rcptCurCd>
            <notionalAmt>1204363.64000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>2287.18000000</unrealizedAppr>
          </swapDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Chicago Board of Trade</name>
        <lei>N/A</lei>
        <title>U.S. Treasury 5 Year Note Futures Contracts</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="FVZ3"/>
        </identifiers>
        <balance>367.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-155594.54000000</valUSD>
        <pctVal>-0.37061040460</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DIR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Goldman Sachs &amp; Co. LLC</counterpartyName>
              <counterpartyLei>FOR8UP27PHTHYVLBNG30</counterpartyLei>
            </counterparties>
            <payOffProf>Long</payOffProf>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>N/A</issuerName>
                <issueTitle>US 5yr 6%</issueTitle>
                <identifiers>
                  <cusip value="N/A"/>
                  <other otherDesc="Interest Rate Future" value="US 5yr 6%"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <expDate>2023-12-29</expDate>
            <notionalAmt>38808149.41000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>-155594.54000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BARCLAYS CAPITAL INC.</name>
        <lei>AC28XWWI3WIBK2824319</lei>
        <title>Barclays Capital, Inc.</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="REPO-BARC"/>
        </identifiers>
        <balance>2177115.34000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2177115.34000000</valUSD>
        <pctVal>5.185667807051</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <notClearedCentCparty isCleared="N">
            <counterpartyInfos>
              <counterpartyInfo lei="AC28XWWI3WIBK2824319" name="BARCLAYS CAPITAL INC."/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>5.29000000</repurchaseRt>
          <maturityDt>2023-10-02</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>2405798.25000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>2220660.30000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TREASURY BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912797HA8</cusip>
        <identifiers>
          <isin value="US912797HA87"/>
        </identifiers>
        <balance>4000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3995324.44000000</valUSD>
        <pctVal>9.516457372090</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-10-10</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BNP Paribas</name>
        <lei>R0MUWSFPU8MPRO8K5P83</lei>
        <title>SPDR Bloomberg High Yield Bond ETF</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="BNPSWAPJNK"/>
        </identifiers>
        <balance>1788.09380000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-1537.72000000</valUSD>
        <pctVal>-0.00366269299</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DCR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>BNP Paribas</counterpartyName>
              <counterpartyLei>R0MUWSFPU8MPRO8K5P83</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>SPDR Bloomberg Barclays High Yield Bond ETF</indexName>
                <indexIdentifier>N/A</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <swapFlag>Y</swapFlag>
            <otherRecDesc fixedOrFloating="Other">SPDR Bloomberg High Yield Bond ETF-Tenor Quarterly</otherRecDesc>
            <floatingPmntDesc curCd="USD" fixedOrFloating="Floating" floatingRtIndex="FEDL01 Index" floatingRtSpread="0.45000000" pmntAmt="0.00000000">
              <rtResetTenors>
                <rtResetTenor rateTenor="Month" rateTenorUnit="3" resetDt="Day" resetDtUnit="1"/>
              </rtResetTenors>
            </floatingPmntDesc>
            <terminationDt>2023-12-21</terminationDt>
            <upfrontPmnt>0.00000000</upfrontPmnt>
            <pmntCurCd>USD</pmntCurCd>
            <upfrontRcpt>0.00000000</upfrontRcpt>
            <rcptCurCd>USD</rcptCurCd>
            <notionalAmt>161643.68000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>-1537.72000000</unrealizedAppr>
          </swapDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BNP Paribas</name>
        <lei>R0MUWSFPU8MPRO8K5P83</lei>
        <title>iShares iBoxx $ High Yield Corporate Bond ETF</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="BNPSWAP"/>
        </identifiers>
        <balance>1222.19800000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-831.11000000</valUSD>
        <pctVal>-0.00197961967</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DCR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>BNP Paribas</counterpartyName>
              <counterpartyLei>R0MUWSFPU8MPRO8K5P83</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>iShares iBoxx $ High Yield Corporate Bond ETF</indexName>
                <indexIdentifier>N/A</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <swapFlag>Y</swapFlag>
            <otherRecDesc fixedOrFloating="Other">iShares iBoxx $ High Yield Corporate Bond ETF-Tenor Quarterly</otherRecDesc>
            <floatingPmntDesc curCd="USD" fixedOrFloating="Floating" floatingRtIndex="FEDL01 Index" floatingRtSpread="0.40000000" pmntAmt="0.00000000">
              <rtResetTenors>
                <rtResetTenor rateTenor="Month" rateTenorUnit="3" resetDt="Day" resetDtUnit="1"/>
              </rtResetTenors>
            </floatingPmntDesc>
            <terminationDt>2023-12-21</terminationDt>
            <upfrontPmnt>0.00000000</upfrontPmnt>
            <pmntCurCd>USD</pmntCurCd>
            <upfrontRcpt>0.00000000</upfrontRcpt>
            <rcptCurCd>USD</rcptCurCd>
            <notionalAmt>90100.44000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>-831.11000000</unrealizedAppr>
          </swapDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Guggenheim Partners Investment Management LLC</name>
        <lei>N/A</lei>
        <title>Guggenheim Strategy Fund II</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="GFSBX"/>
        </identifiers>
        <balance>53172.74000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1290502.40000000</valUSD>
        <pctVal>3.073845757112</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313384RS0</cusip>
        <identifiers>
          <isin value="US313384RS02"/>
        </identifiers>
        <balance>1200000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>1181775.60000000</valUSD>
        <pctVal>2.814869553065</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-01-12</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FEDERAL HOME LOAN BANK</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>3130AWZW3</cusip>
        <identifiers>
          <isin value="US3130AWZW34"/>
        </identifiers>
        <balance>2500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2500577.50000000</valUSD>
        <pctVal>5.956121847355</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2024-02-27</maturityDt>
          <couponKind>Floating</couponKind>
          <annualizedRt>5.35000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Guggenheim Partners Investment Management LLC</name>
        <lei>N/A</lei>
        <title>Guggenheim Strategy Fund III</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="GFSCX"/>
        </identifiers>
        <balance>79841.08100000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1939339.86000000</valUSD>
        <pctVal>4.619310743055</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TREASURY BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912797HM2</cusip>
        <identifiers>
          <isin value="US912797HM26"/>
        </identifiers>
        <balance>4500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>4462041.56000000</valUSD>
        <pctVal>10.62813018965</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2023-11-28</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Goldman Sachs International</name>
        <lei>W22LROWP2IHZNBB6K528</lei>
        <title>CDX.NA.HY.41.V1</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="CDXHY4101"/>
        </identifiers>
        <balance>-5700000.00000000</balance>
        <units>OU</units>
        <descOthUnits>Notional Amount</descOthUnits>
        <curCd>USD</curCd>
        <valUSD>45223.80000000</valUSD>
        <pctVal>0.107718502306</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DCR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>Intercontinental Exchange</counterpartyName>
              <counterpartyLei>5493000F4ZO33MV32P92</counterpartyLei>
            </counterparties>
            <counterparties>
              <counterpartyName>Goldman Sachs International</counterpartyName>
              <counterpartyLei>W22LROWP2IHZNBB6K528</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CDX HY41 V1 5% 12/20/2028</indexName>
                <indexIdentifier>N/A</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <swapFlag>Y</swapFlag>
            <fixedRecDesc amount="0.00000000" curCd="USD" fixedOrFloating="Fixed" fixedRt="5.00000000"/>
            <otherPmntDesc fixedOrFloating="Other">CDX HY41 V1 5% 12/20/2028 - Tenor Quarterly</otherPmntDesc>
            <terminationDt>2028-12-20</terminationDt>
            <upfrontPmnt>39387.74000000</upfrontPmnt>
            <pmntCurCd>USD</pmntCurCd>
            <upfrontRcpt>0.00000000</upfrontRcpt>
            <rcptCurCd>USD</rcptCurCd>
            <notionalAmt>-5700000.00000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>5836.06000000</unrealizedAppr>
          </swapDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Barclays Bank plc</name>
        <lei>G5GSEF7VJP5I7OUK5573</lei>
        <title>CDX.NA.HY.41.V1</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="CDXHY41609071"/>
        </identifiers>
        <balance>-34550000.00000000</balance>
        <units>OU</units>
        <descOthUnits>Notional Amount</descOthUnits>
        <curCd>USD</curCd>
        <valUSD>274119.70000000</valUSD>
        <pctVal>0.652925307838</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DCR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>BARCLAYS BANK PLC</counterpartyName>
              <counterpartyLei>G5GSEF7VJP5I7OUK5573</counterpartyLei>
            </counterparties>
            <counterparties>
              <counterpartyName>Intercontinental Exchange</counterpartyName>
              <counterpartyLei>5493000F4ZO33MV32P92</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <indexBasketInfo>
                <indexName>CDX HY41 V1 5% 12/20/2028</indexName>
                <indexIdentifier>N/A</indexIdentifier>
              </indexBasketInfo>
            </descRefInstrmnt>
            <swapFlag>Y</swapFlag>
            <fixedRecDesc amount="0.00000000" curCd="USD" fixedOrFloating="Fixed" fixedRt="5.00000000"/>
            <otherPmntDesc fixedOrFloating="Other">CDX HY41 V1 5% 12/20/2028 - Tenor Quarterly</otherPmntDesc>
            <terminationDt>2028-12-20</terminationDt>
            <upfrontPmnt>242194.54000000</upfrontPmnt>
            <pmntCurCd>USD</pmntCurCd>
            <upfrontRcpt>0.00000000</upfrontRcpt>
            <rcptCurCd>USD</rcptCurCd>
            <notionalAmt>-34550000.00000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>31925.16000000</unrealizedAppr>
          </swapDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BOFA SECURITIES, INC.</name>
        <lei>549300HN4UKV1E2R3U73</lei>
        <title>BofA Securities, Inc.</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="REPO-BANK"/>
        </identifiers>
        <balance>2155614.23000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2155614.23000000</valUSD>
        <pctVal>5.134454344955</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <notClearedCentCparty isCleared="N">
            <counterpartyInfos>
              <counterpartyInfo lei="549300HN4UKV1E2R3U73" name="BOFA SECURITIES, INC."/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>5.30000000</repurchaseRt>
          <maturityDt>2023-10-02</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>2209542.58000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>2198727.83000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2023-10-30</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>
