<?xml version='1.0' encoding='US-ASCII'?><schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:cist="http://cist/20260331" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:oef-pre="http://xbrl.sec.gov/oef-pre/2025" xmlns:oef-lab="http://xbrl.sec.gov/oef-lab/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:us-roles="http://fasb.org/us-roles/2025" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:oef-def="http://xbrl.sec.gov/oef-def/2025" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:oef-sr="http://xbrl.sec.gov/oef-sr/2025" xmlns:srt-roles="http://fasb.org/srt-roles/2025" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" targetNamespace="http://cist/20260331" elementFormDefault="qualified"><import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/><import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/><import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/><import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd"/><import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/><import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/><import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/><import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd"/><import namespace="http://xbrl.sec.gov/oef-sr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-sr-2025.xsd"/><import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/><import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd"/><import namespace="http://fasb.org/srt-roles/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd"/><annotation><appinfo><link:linkbase id="lnk"><link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReport" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReport"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportHoldingsDetails"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportLineGraphDetails"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportAverageAnnualReturnDetails"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly"/><link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other1CategoryOnly"/><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#cist_C000229546Member" xlink:label="C000229546Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229546Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000230847Member" xlink:label="C000230847Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000230847Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000229547Member" xlink:label="C000229547Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229547Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000246678Member" xlink:label="C000246678Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000246678Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000240370Member" xlink:label="C000240370Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000240370Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000263311Member" xlink:label="C000263311Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263311Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000264851Member" xlink:label="C000264851Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000264851Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222559Member" xlink:label="C000222559Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222559Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000233898Member" xlink:label="C000233898Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000233898Member" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222560Member" xlink:label="C000222560Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222560Member" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000250203Member" xlink:label="C000250203Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000250203Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000223446Member" xlink:label="C000223446Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000223446Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#cist_C000229546Member" xlink:label="C000229546Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229546Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000230847Member" xlink:label="C000230847Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000230847Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000229547Member" xlink:label="C000229547Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229547Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000246678Member" xlink:label="C000246678Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000246678Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000240370Member" xlink:label="C000240370Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000240370Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000263311Member" xlink:label="C000263311Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263311Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000264851Member" xlink:label="C000264851Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000264851Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222559Member" xlink:label="C000222559Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222559Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000233898Member" xlink:label="C000233898Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000233898Member" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222560Member" xlink:label="C000222560Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222560Member" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000250203Member" xlink:label="C000250203Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000250203Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000223446Member" xlink:label="C000223446Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000223446Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CommonStockMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527058CTIMember" xlink:label="TotalAssets10527058CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527058CTIMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_OptionCTIMember" xlink:label="OptionCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OptionCTIMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527086CTIMember" xlink:label="TotalAssets10527086CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527086CTIMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527020CTIMember" xlink:label="TotalAssets10527020CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527020CTIMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527105CTIMember" xlink:label="TotalAssets10527105CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527105CTIMember" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527098CTIMember" xlink:label="TotalAssets10527098CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527098CTIMember" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527367CTIMember" xlink:label="TotalAssets10527367CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527367CTIMember" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527411CTIMember" xlink:label="TotalAssets10527411CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527411CTIMember" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ClosedEndFundCTIMember" xlink:label="ClosedEndFundCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ClosedEndFundCTIMember" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526954CTIMember" xlink:label="TotalAssets10526954CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10526954CTIMember" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527091CTIMember" xlink:label="TotalAssets10527091CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527091CTIMember" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526962CTIMember" xlink:label="TotalAssets10526962CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10526962CTIMember" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_AssetBackedSecurityCTIMember" xlink:label="AssetBackedSecurityCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="AssetBackedSecurityCTIMember" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollateralizedMortgageObligationsMember" xlink:label="CollateralizedMortgageObligationsMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CollateralizedMortgageObligationsMember" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_CollateralizedMortgageMinusBackedSecuritiesCTIMember" xlink:label="CollateralizedMortgageMinusBackedSecuritiesCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CollateralizedMortgageMinusBackedSecuritiesCTIMember" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_CorporateBondCTIMember" xlink:label="CorporateBondCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CorporateBondCTIMember" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_MunicipalBondCTIMember" xlink:label="MunicipalBondCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MunicipalBondCTIMember" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockMember" xlink:label="PreferredStockMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="PreferredStockMember" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TreasuryNoteCTIMember" xlink:label="TreasuryNoteCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TreasuryNoteCTIMember" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_USGovernmentAgencyMortgageCTIMember" xlink:label="USGovernmentAgencyMortgageCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentAgencyMortgageCTIMember" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_YankeeDollarCTIMember" xlink:label="YankeeDollarCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="YankeeDollarCTIMember" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527160CTIMember" xlink:label="TotalAssets10527160CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527160CTIMember" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_PrivateInvestmentsCTIMember" xlink:label="PrivateInvestmentsCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="PrivateInvestmentsCTIMember" order="24.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantMember" xlink:label="WarrantMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="WarrantMember" order="25.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526972CTIMember" xlink:label="TotalAssets10526972CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10526972CTIMember" order="26.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527058CTIMember" xlink:label="ETF10527058CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527058CTIMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527073CTIMember" xlink:label="ETF10527073CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527073CTIMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527020CTIMember" xlink:label="ETF10527020CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527020CTIMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527098CTIMember" xlink:label="ETF10527098CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527098CTIMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527367CTIMember" xlink:label="ETF10527367CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527367CTIMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527411CTIMember" xlink:label="ETF10527411CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527411CTIMember" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10526958CTIMember" xlink:label="ETF10526958CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10526958CTIMember" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527091CTIMember" xlink:label="ETF10527091CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527091CTIMember" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527167CTIMember" xlink:label="ETF10527167CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ETF10527167CTIMember" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#cist_C000229546Member" xlink:label="C000229546Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229546Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000230847Member" xlink:label="C000230847Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000230847Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000229547Member" xlink:label="C000229547Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229547Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000246678Member" xlink:label="C000246678Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000246678Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000240370Member" xlink:label="C000240370Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000240370Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000263311Member" xlink:label="C000263311Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263311Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000264851Member" xlink:label="C000264851Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000264851Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222559Member" xlink:label="C000222559Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222559Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000233898Member" xlink:label="C000233898Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000233898Member" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222560Member" xlink:label="C000222560Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222560Member" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000250203Member" xlink:label="C000250203Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000250203Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000223446Member" xlink:label="C000223446Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000223446Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#cist_C000229546Member" xlink:label="C000229546Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229546Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000230847Member" xlink:label="C000230847Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000230847Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000229547Member" xlink:label="C000229547Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000229547Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000246678Member" xlink:label="C000246678Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000246678Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000240370Member" xlink:label="C000240370Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000240370Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000263311Member" xlink:label="C000263311Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000263311Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000264851Member" xlink:label="C000264851Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000264851Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222559Member" xlink:label="C000222559Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222559Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000233898Member" xlink:label="C000233898Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000233898Member" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222560Member" xlink:label="C000222560Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000222560Member" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000250203Member" xlink:label="C000250203Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000250203Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000223446Member" xlink:label="C000223446Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000223446Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#cist_C000229546Member" xlink:label="C000229546Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000229546Member" order="1.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000230847Member" xlink:label="C000230847Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000230847Member" order="2.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000229547Member" xlink:label="C000229547Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000229547Member" order="3.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000246678Member" xlink:label="C000246678Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000246678Member" order="4.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000240370Member" xlink:label="C000240370Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000240370Member" order="5.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000263311Member" xlink:label="C000263311Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000263311Member" order="6.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000264851Member" xlink:label="C000264851Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000264851Member" order="7.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222559Member" xlink:label="C000222559Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000222559Member" order="8.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000233898Member" xlink:label="C000233898Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000233898Member" order="9.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222560Member" xlink:label="C000222560Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000222560Member" order="10.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000250203Member" xlink:label="C000250203Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000250203Member" order="11.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000223446Member" xlink:label="C000223446Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000223446Member" order="12.0" priority="1"/></link:definitionLink><link:definitionLink xlink:type="extended" xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists"><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527058CTIMember" xlink:label="TotalAssets10527058CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527058CTIMember" order="2.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_OptionCTIMember" xlink:label="OptionCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="OptionCTIMember" order="3.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527086CTIMember" xlink:label="TotalAssets10527086CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527086CTIMember" order="4.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527020CTIMember" xlink:label="TotalAssets10527020CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527020CTIMember" order="5.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527105CTIMember" xlink:label="TotalAssets10527105CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527105CTIMember" order="6.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527098CTIMember" xlink:label="TotalAssets10527098CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527098CTIMember" order="7.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527367CTIMember" xlink:label="TotalAssets10527367CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527367CTIMember" order="8.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527411CTIMember" xlink:label="TotalAssets10527411CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527411CTIMember" order="9.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ClosedEndFundCTIMember" xlink:label="ClosedEndFundCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="ClosedEndFundCTIMember" order="10.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526954CTIMember" xlink:label="TotalAssets10526954CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10526954CTIMember" order="11.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527091CTIMember" xlink:label="TotalAssets10527091CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527091CTIMember" order="12.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526962CTIMember" xlink:label="TotalAssets10526962CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10526962CTIMember" order="13.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_AssetBackedSecurityCTIMember" xlink:label="AssetBackedSecurityCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="AssetBackedSecurityCTIMember" order="14.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_CollateralizedMortgageMinusBackedSecuritiesCTIMember" xlink:label="CollateralizedMortgageMinusBackedSecuritiesCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CollateralizedMortgageMinusBackedSecuritiesCTIMember" order="16.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_CorporateBondCTIMember" xlink:label="CorporateBondCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="CorporateBondCTIMember" order="17.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_MunicipalBondCTIMember" xlink:label="MunicipalBondCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MunicipalBondCTIMember" order="18.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TreasuryNoteCTIMember" xlink:label="TreasuryNoteCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TreasuryNoteCTIMember" order="20.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_USGovernmentAgencyMortgageCTIMember" xlink:label="USGovernmentAgencyMortgageCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentAgencyMortgageCTIMember" order="21.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_YankeeDollarCTIMember" xlink:label="YankeeDollarCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="YankeeDollarCTIMember" order="22.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527160CTIMember" xlink:label="TotalAssets10527160CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10527160CTIMember" order="23.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_PrivateInvestmentsCTIMember" xlink:label="PrivateInvestmentsCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="PrivateInvestmentsCTIMember" order="24.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526972CTIMember" xlink:label="TotalAssets10526972CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="TotalAssets10526972CTIMember" order="26.0" priority="1"/></link:definitionLink><link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other1CategoryOnly"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527058CTIMember" xlink:label="ETF10527058CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527058CTIMember" order="1.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527073CTIMember" xlink:label="ETF10527073CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527073CTIMember" order="2.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527020CTIMember" xlink:label="ETF10527020CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527020CTIMember" order="3.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527098CTIMember" xlink:label="ETF10527098CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527098CTIMember" order="4.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527367CTIMember" xlink:label="ETF10527367CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527367CTIMember" order="5.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527411CTIMember" xlink:label="ETF10527411CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527411CTIMember" order="6.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10526958CTIMember" xlink:label="ETF10526958CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10526958CTIMember" order="7.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527091CTIMember" xlink:label="ETF10527091CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527091CTIMember" order="8.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527167CTIMember" xlink:label="ETF10527167CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ETF10527167CTIMember" order="9.0" priority="1"/></link:definitionLink><link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link"><link:loc xlink:type="locator" xlink:href="#cist_C000229546Member" xlink:label="C000229546Member"/><link:label xlink:type="resource" xlink:label="label_C000229546Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000229546</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000229546Member" xlink:to="label_C000229546Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000230847Member" xlink:label="C000230847Member"/><link:label xlink:type="resource" xlink:label="label_C000230847Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000230847</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000230847Member" xlink:to="label_C000230847Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000229547Member" xlink:label="C000229547Member"/><link:label xlink:type="resource" xlink:label="label_C000229547Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000229547</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000229547Member" xlink:to="label_C000229547Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000246678Member" xlink:label="C000246678Member"/><link:label xlink:type="resource" xlink:label="label_C000246678Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000246678</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000246678Member" xlink:to="label_C000246678Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000240370Member" xlink:label="C000240370Member"/><link:label xlink:type="resource" xlink:label="label_C000240370Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000240370</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000240370Member" xlink:to="label_C000240370Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000263311Member" xlink:label="C000263311Member"/><link:label xlink:type="resource" xlink:label="label_C000263311Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000263311</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000263311Member" xlink:to="label_C000263311Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000264851Member" xlink:label="C000264851Member"/><link:label xlink:type="resource" xlink:label="label_C000264851Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000264851</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000264851Member" xlink:to="label_C000264851Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222559Member" xlink:label="C000222559Member"/><link:label xlink:type="resource" xlink:label="label_C000222559Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000222559</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000222559Member" xlink:to="label_C000222559Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000233898Member" xlink:label="C000233898Member"/><link:label xlink:type="resource" xlink:label="label_C000233898Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000233898</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000233898Member" xlink:to="label_C000233898Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000222560Member" xlink:label="C000222560Member"/><link:label xlink:type="resource" xlink:label="label_C000222560Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000222560</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000222560Member" xlink:to="label_C000222560Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000250203Member" xlink:label="C000250203Member"/><link:label xlink:type="resource" xlink:label="label_C000250203Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000250203</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000250203Member" xlink:to="label_C000250203Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_C000223446Member" xlink:label="C000223446Member"/><link:label xlink:type="resource" xlink:label="label_C000223446Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000223446</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000223446Member" xlink:to="label_C000223446Member" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeAxis" xlink:label="InvestmentTypeAxis"/><link:label xlink:type="resource" xlink:label="label_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Type [Axis]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentTypeAxis" xlink:to="label_InvestmentTypeAxis" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember"/><link:label xlink:type="resource" xlink:label="label_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Common Stock</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockMember" xlink:to="label_CommonStockMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527058CTIMember" xlink:label="TotalAssets10527058CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527058CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527058</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527058CTIMember" xlink:to="label_TotalAssets10527058CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_OptionCTIMember" xlink:label="OptionCTIMember"/><link:label xlink:type="resource" xlink:label="label_OptionCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Option</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OptionCTIMember" xlink:to="label_OptionCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527086CTIMember" xlink:label="TotalAssets10527086CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527086CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527086</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527086CTIMember" xlink:to="label_TotalAssets10527086CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527020CTIMember" xlink:label="TotalAssets10527020CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527020CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527020</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527020CTIMember" xlink:to="label_TotalAssets10527020CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527105CTIMember" xlink:label="TotalAssets10527105CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527105CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527105</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527105CTIMember" xlink:to="label_TotalAssets10527105CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527098CTIMember" xlink:label="TotalAssets10527098CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527098CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527098</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527098CTIMember" xlink:to="label_TotalAssets10527098CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527367CTIMember" xlink:label="TotalAssets10527367CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527367CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527367</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527367CTIMember" xlink:to="label_TotalAssets10527367CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527411CTIMember" xlink:label="TotalAssets10527411CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527411CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527411</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527411CTIMember" xlink:to="label_TotalAssets10527411CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ClosedEndFundCTIMember" xlink:label="ClosedEndFundCTIMember"/><link:label xlink:type="resource" xlink:label="label_ClosedEndFundCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Closed End Fund</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClosedEndFundCTIMember" xlink:to="label_ClosedEndFundCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526954CTIMember" xlink:label="TotalAssets10526954CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10526954CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10526954</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10526954CTIMember" xlink:to="label_TotalAssets10526954CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527091CTIMember" xlink:label="TotalAssets10527091CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527091CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527091</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527091CTIMember" xlink:to="label_TotalAssets10527091CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526962CTIMember" xlink:label="TotalAssets10526962CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10526962CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10526962</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10526962CTIMember" xlink:to="label_TotalAssets10526962CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_AssetBackedSecurityCTIMember" xlink:label="AssetBackedSecurityCTIMember"/><link:label xlink:type="resource" xlink:label="label_AssetBackedSecurityCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Asset Backed Security</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetBackedSecurityCTIMember" xlink:to="label_AssetBackedSecurityCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollateralizedMortgageObligationsMember" xlink:label="CollateralizedMortgageObligationsMember"/><link:label xlink:type="resource" xlink:label="label_CollateralizedMortgageObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Collateralized Mortgage Obligations</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CollateralizedMortgageObligationsMember" xlink:to="label_CollateralizedMortgageObligationsMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_CollateralizedMortgageMinusBackedSecuritiesCTIMember" xlink:label="CollateralizedMortgageMinusBackedSecuritiesCTIMember"/><link:label xlink:type="resource" xlink:label="label_CollateralizedMortgageMinusBackedSecuritiesCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Collateralized Mortgage-Backed Securities</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CollateralizedMortgageMinusBackedSecuritiesCTIMember" xlink:to="label_CollateralizedMortgageMinusBackedSecuritiesCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_CorporateBondCTIMember" xlink:label="CorporateBondCTIMember"/><link:label xlink:type="resource" xlink:label="label_CorporateBondCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Corporate Bond</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CorporateBondCTIMember" xlink:to="label_CorporateBondCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_MunicipalBondCTIMember" xlink:label="MunicipalBondCTIMember"/><link:label xlink:type="resource" xlink:label="label_MunicipalBondCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Municipal Bond</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MunicipalBondCTIMember" xlink:to="label_MunicipalBondCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockMember" xlink:label="PreferredStockMember"/><link:label xlink:type="resource" xlink:label="label_PreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Preferred Stock</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockMember" xlink:to="label_PreferredStockMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TreasuryNoteCTIMember" xlink:label="TreasuryNoteCTIMember"/><link:label xlink:type="resource" xlink:label="label_TreasuryNoteCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Treasury Note</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryNoteCTIMember" xlink:to="label_TreasuryNoteCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_USGovernmentAgencyMortgageCTIMember" xlink:label="USGovernmentAgencyMortgageCTIMember"/><link:label xlink:type="resource" xlink:label="label_USGovernmentAgencyMortgageCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">U.S. Government Agency Mortgage</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentAgencyMortgageCTIMember" xlink:to="label_USGovernmentAgencyMortgageCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_YankeeDollarCTIMember" xlink:label="YankeeDollarCTIMember"/><link:label xlink:type="resource" xlink:label="label_YankeeDollarCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Yankee Dollar</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="YankeeDollarCTIMember" xlink:to="label_YankeeDollarCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10527160CTIMember" xlink:label="TotalAssets10527160CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10527160CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10527160</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10527160CTIMember" xlink:to="label_TotalAssets10527160CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_PrivateInvestmentsCTIMember" xlink:label="PrivateInvestmentsCTIMember"/><link:label xlink:type="resource" xlink:label="label_PrivateInvestmentsCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Private Investments</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrivateInvestmentsCTIMember" xlink:to="label_PrivateInvestmentsCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantMember" xlink:label="WarrantMember"/><link:label xlink:type="resource" xlink:label="label_WarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Warrant</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantMember" xlink:to="label_WarrantMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_TotalAssets10526972CTIMember" xlink:label="TotalAssets10526972CTIMember"/><link:label xlink:type="resource" xlink:label="label_TotalAssets10526972CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Total Assets10526972</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalAssets10526972CTIMember" xlink:to="label_TotalAssets10526972CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527058CTIMember" xlink:label="ETF10527058CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527058CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527058</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527058CTIMember" xlink:to="label_ETF10527058CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527073CTIMember" xlink:label="ETF10527073CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527073CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527073</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527073CTIMember" xlink:to="label_ETF10527073CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527020CTIMember" xlink:label="ETF10527020CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527020CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527020</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527020CTIMember" xlink:to="label_ETF10527020CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527098CTIMember" xlink:label="ETF10527098CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527098CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527098</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527098CTIMember" xlink:to="label_ETF10527098CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527367CTIMember" xlink:label="ETF10527367CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527367CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527367</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527367CTIMember" xlink:to="label_ETF10527367CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527411CTIMember" xlink:label="ETF10527411CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527411CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527411</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527411CTIMember" xlink:to="label_ETF10527411CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10526958CTIMember" xlink:label="ETF10526958CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10526958CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10526958</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10526958CTIMember" xlink:to="label_ETF10526958CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527091CTIMember" xlink:label="ETF10527091CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527091CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527091</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527091CTIMember" xlink:to="label_ETF10527091CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#cist_ETF10527167CTIMember" xlink:label="ETF10527167CTIMember"/><link:label xlink:type="resource" xlink:label="label_ETF10527167CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">ETF10527167</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ETF10527167CTIMember" xlink:to="label_ETF10527167CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_NoTradingSymbolFlag" xlink:label="NoTradingSymbolFlag"/><link:label xlink:type="resource" xlink:label="label_NoTradingSymbolFlag" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">No Trading Symbol [Flag]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoTradingSymbolFlag" xlink:to="label_NoTradingSymbolFlag" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNet" xlink:label="AssetsNet"/><link:label xlink:type="resource" xlink:label="label_AssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">AssetsNet</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsNet" xlink:to="label_AssetsNet" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="InvestmentCompanyPortfolioTurnover"/><link:label xlink:type="resource" xlink:label="label_InvestmentCompanyPortfolioTurnover" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">InvestmentCompanyPortfolioTurnover</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentCompanyPortfolioTurnover" xlink:to="label_InvestmentCompanyPortfolioTurnover" priority="1"/></link:labelLink></link:linkbase></appinfo></annotation><element name="C000229546Member" id="cist_C000229546Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000230847Member" id="cist_C000230847Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000229547Member" id="cist_C000229547Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000246678Member" id="cist_C000246678Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000240370Member" id="cist_C000240370Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000263311Member" id="cist_C000263311Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000264851Member" id="cist_C000264851Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000222559Member" id="cist_C000222559Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000233898Member" id="cist_C000233898Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000222560Member" id="cist_C000222560Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000250203Member" id="cist_C000250203Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000223446Member" id="cist_C000223446Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527058CTIMember" id="cist_TotalAssets10527058CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="OptionCTIMember" id="cist_OptionCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527086CTIMember" id="cist_TotalAssets10527086CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527020CTIMember" id="cist_TotalAssets10527020CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527105CTIMember" id="cist_TotalAssets10527105CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527098CTIMember" id="cist_TotalAssets10527098CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527367CTIMember" id="cist_TotalAssets10527367CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527411CTIMember" id="cist_TotalAssets10527411CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ClosedEndFundCTIMember" id="cist_ClosedEndFundCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10526954CTIMember" id="cist_TotalAssets10526954CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527091CTIMember" id="cist_TotalAssets10527091CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10526962CTIMember" id="cist_TotalAssets10526962CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="AssetBackedSecurityCTIMember" id="cist_AssetBackedSecurityCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="CollateralizedMortgageMinusBackedSecuritiesCTIMember" id="cist_CollateralizedMortgageMinusBackedSecuritiesCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="CorporateBondCTIMember" id="cist_CorporateBondCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="MunicipalBondCTIMember" id="cist_MunicipalBondCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TreasuryNoteCTIMember" id="cist_TreasuryNoteCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="USGovernmentAgencyMortgageCTIMember" id="cist_USGovernmentAgencyMortgageCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="YankeeDollarCTIMember" id="cist_YankeeDollarCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10527160CTIMember" id="cist_TotalAssets10527160CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="PrivateInvestmentsCTIMember" id="cist_PrivateInvestmentsCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TotalAssets10526972CTIMember" id="cist_TotalAssets10526972CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527058CTIMember" id="cist_ETF10527058CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527073CTIMember" id="cist_ETF10527073CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527020CTIMember" id="cist_ETF10527020CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527098CTIMember" id="cist_ETF10527098CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527367CTIMember" id="cist_ETF10527367CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527411CTIMember" id="cist_ETF10527411CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10526958CTIMember" id="cist_ETF10526958CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527091CTIMember" id="cist_ETF10527091CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ETF10527167CTIMember" id="cist_ETF10527167CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/></schema>
