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<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Thu Aug 27 12:35:56 UTC 2026 -->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_Next_Gen_Media_and_Gaming_ETFMember_lbl" xml:lang="en-US">Invesco Next Gen Media and Gaming ETF</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_Oil_Gas_Services_ETFMember_lbl" xml:lang="en-US">Invesco Oil &amp; Gas Services ETF</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_doc_Invesco_Oil_Gas_Services_ETFMember" xlink:to="ck0001209466_doc_Invesco_Oil_Gas_Services_ETFMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_doc_Invesco_Pharmaceuticals_ETFMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_doc_Invesco_Pharmaceuticals_ETFMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_Pharmaceuticals_ETFMember_lbl" xml:lang="en-US">Invesco Pharmaceuticals ETF</label>
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    <loc xlink:type="locator" xlink:label="ck0001209466_doc_Invesco_RAFI_US_1000_ETFMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_doc_Invesco_RAFI_US_1000_ETFMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_RAFI_US_1000_ETFMember_lbl" xml:lang="en-US">Invesco RAFI US 1000 ETF</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_doc_Invesco_RAFI_US_1000_ETFMember" xlink:to="ck0001209466_doc_Invesco_RAFI_US_1000_ETFMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_doc_Invesco_RAFI_US_1500_SmallMid_ETFMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_doc_Invesco_RAFI_US_1500_SmallMid_ETFMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_RAFI_US_1500_SmallMid_ETFMember_lbl" xml:lang="en-US">Invesco RAFI US 1500 Small-Mid ETF</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_SP_100_Equal_Weight_ETFMember_lbl" xml:lang="en-US">Invesco S&amp;P 100 Equal Weight ETF</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_doc_Invesco_SP_100_Equal_Weight_ETFMember" xlink:to="ck0001209466_doc_Invesco_SP_100_Equal_Weight_ETFMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_doc_Invesco_SP_500_BuyWrite_ETFMember_lbl" xml:lang="en-US">Invesco S&amp;P 500 BuyWrite ETF</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_doc_Invesco_SP_500_BuyWrite_ETFMember" xlink:to="ck0001209466_doc_Invesco_SP_500_BuyWrite_ETFMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_IndustryConcentrationRiskMember" xlink:to="ck0001209466_IndustryConcentrationRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_CleanEnergyIndustryRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_CleanEnergyIndustryRiskMember"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_CleanEnergyIndustryRiskMember" xlink:to="ck0001209466_CleanEnergyIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_WaterIndustryRiskMember" xlink:to="ck0001209466_WaterIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_MaterialsSectorRiskMember" xlink:to="ck0001209466_MaterialsSectorRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_PharmaceuticalsIndustryRiskMember" xlink:to="ck0001209466_PharmaceuticalsIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_BiotechnologyIndustryRiskMember" xlink:to="ck0001209466_BiotechnologyIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_OilAndGasServicesIndustryRiskMember" xlink:to="ck0001209466_OilAndGasServicesIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_MediaAndEntertainmentIndustryRiskMember" xlink:to="ck0001209466_MediaAndEntertainmentIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_InternetRelatedServicesIndustryRiskMember" xlink:to="ck0001209466_InternetRelatedServicesIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_CommunicationServicesSectorRiskMember" xlink:to="ck0001209466_CommunicationServicesSectorRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_RealEstateSectorRiskMember" xlink:to="ck0001209466_RealEstateSectorRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_LeisureAndEntertainmentIndustriesRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_LeisureAndEntertainmentIndustriesRiskMember"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_LeisureAndEntertainmentIndustriesRiskMember" xlink:to="ck0001209466_LeisureAndEntertainmentIndustriesRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_HealthCareSectorRiskMember_lbl" xml:lang="en-US">Health Care Sector Risk [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_EnergySectorRiskMember_lbl" xml:lang="en-US">Energy Sector Risk [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_ConsumerStaplesSectorRiskMember_lbl" xml:lang="en-US">Consumer Staples Sector Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ConsumerStaplesSectorRiskMember" xlink:to="ck0001209466_ConsumerStaplesSectorRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_ConsumerDiscretionarySectorRiskMember_lbl" xml:lang="en-US">Consumer Discretionary Sector Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ConsumerDiscretionarySectorRiskMember" xlink:to="ck0001209466_ConsumerDiscretionarySectorRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_ADRRiskMember_lbl" xml:lang="en-US">ADR Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ADRRiskMember" xlink:to="ck0001209466_ADRRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_BasicMaterialsSectorRiskMember_lbl" xml:lang="en-US">Basic Materials Sector Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_BasicMaterialsSectorRiskMember" xlink:to="ck0001209466_BasicMaterialsSectorRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_FinancialsSectorRiskMember_lbl" xml:lang="en-US">Financials Sector Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_FinancialsSectorRiskMember" xlink:to="ck0001209466_FinancialsSectorRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_ADRAndGDRRiskMember_lbl" xml:lang="en-US">ADR and GDR Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ADRAndGDRRiskMember" xlink:to="ck0001209466_ADRAndGDRRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_PreferredSecuritiesRiskMember_lbl" xml:lang="en-US">Preferred Securities Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_PreferredSecuritiesRiskMember" xlink:to="ck0001209466_PreferredSecuritiesRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_BuildingAndConstructionIndustryRiskMember_lbl" xml:lang="en-US">Building and Construction Industry Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_BuildingAndConstructionIndustryRiskMember" xlink:to="ck0001209466_BuildingAndConstructionIndustryRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_IndustrialsSectorRiskMember_lbl" xml:lang="en-US">Industrials Sector Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_IndustrialsSectorRiskMember" xlink:to="ck0001209466_IndustrialsSectorRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_BiotechnologyAndGenomeIndustryRiskMember_lbl" xml:lang="en-US">Biotechnology and Genome Industry Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_BiotechnologyAndGenomeIndustryRiskMember" xlink:to="ck0001209466_BiotechnologyAndGenomeIndustryRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_SemiconductorsIndustryRiskMember_lbl" xml:lang="en-US">Semiconductors Industry Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_SemiconductorsIndustryRiskMember" xlink:to="ck0001209466_SemiconductorsIndustryRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_SoftwareIndustryRiskMember_lbl" xml:lang="en-US">Software Industry Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_SoftwareIndustryRiskMember" xlink:to="ck0001209466_SoftwareIndustryRiskMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ArtificialIntelligenceCompaniesRiskMember" xlink:to="ck0001209466_ArtificialIntelligenceCompaniesRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_ForeignInvestmentRiskMember_lbl" xml:lang="en-US">Foreign Investment Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ForeignInvestmentRiskMember" xlink:to="ck0001209466_ForeignInvestmentRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_AsiaPacificInvestmentRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_AsiaPacificInvestmentRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_AsiaPacificInvestmentRiskMember_lbl" xml:lang="en-US">Asia Pacific Investment Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_AsiaPacificInvestmentRiskMember" xlink:to="ck0001209466_AsiaPacificInvestmentRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_CanadaInvestmentRiskMember_lbl" xml:lang="en-US">Canada Investment Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_CanadaInvestmentRiskMember" xlink:to="ck0001209466_CanadaInvestmentRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_EuropeanInvestmentRiskMember_lbl" xml:lang="en-US">European Investment Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_EuropeanInvestmentRiskMember" xlink:to="ck0001209466_EuropeanInvestmentRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_EmergingMarketsInvestmentRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_EmergingMarketsInvestmentRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_EmergingMarketsInvestmentRiskMember_lbl" xml:lang="en-US">Emerging Markets Investment Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_EmergingMarketsInvestmentRiskMember" xlink:to="ck0001209466_EmergingMarketsInvestmentRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_AerospaceAndDefenseIndustryRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_AerospaceAndDefenseIndustryRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_AerospaceAndDefenseIndustryRiskMember_lbl" xml:lang="en-US">Aerospace and Defense Industry Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_AerospaceAndDefenseIndustryRiskMember" xlink:to="ck0001209466_AerospaceAndDefenseIndustryRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_EquityRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_EquityRiskMember"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_EquityRiskMember" xlink:to="ck0001209466_EquityRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_MasterLimitedPartnershipRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_MasterLimitedPartnershipRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_MasterLimitedPartnershipRiskMember_lbl" xml:lang="en-US">Master Limited Partnership Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_MasterLimitedPartnershipRiskMember" xlink:to="ck0001209466_MasterLimitedPartnershipRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_ClosedEndFundRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_ClosedEndFundRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_ClosedEndFundRiskMember_lbl" xml:lang="en-US">Closed-End Fund Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_ClosedEndFundRiskMember" xlink:to="ck0001209466_ClosedEndFundRiskMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_DerivativesRiskMember_lbl" xml:lang="en-US">Derivatives Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_DerivativesRiskMember" xlink:to="ck0001209466_DerivativesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_WritingCoveredCallOptionsRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_WritingCoveredCallOptionsRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_WritingCoveredCallOptionsRiskMember_lbl" xml:lang="en-US">Writing Covered Call Options Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_WritingCoveredCallOptionsRiskMember" xlink:to="ck0001209466_WritingCoveredCallOptionsRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_GrowthInvestingRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_GrowthInvestingRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_GrowthInvestingRiskMember_lbl" xml:lang="en-US">Growth Investing Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_GrowthInvestingRiskMember" xlink:to="ck0001209466_GrowthInvestingRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_MidCapitalizationCompaniesRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_MidCapitalizationCompaniesRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_MidCapitalizationCompaniesRiskMember_lbl" xml:lang="en-US">Mid-Capitalization Companies Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_MidCapitalizationCompaniesRiskMember" xlink:to="ck0001209466_MidCapitalizationCompaniesRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_USFederalIncomeTaxRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_USFederalIncomeTaxRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_USFederalIncomeTaxRiskMember_lbl" xml:lang="en-US">U.S. Federal Income Tax Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_USFederalIncomeTaxRiskMember" xlink:to="ck0001209466_USFederalIncomeTaxRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_MultifactorInvestingRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_MultifactorInvestingRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_MultifactorInvestingRiskMember_lbl" xml:lang="en-US">Multifactor Investing Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_MultifactorInvestingRiskMember" xlink:to="ck0001209466_MultifactorInvestingRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001209466_MomentumInvestingRiskMember" xlink:href="ck0001209466-20260827.xsd#ck0001209466_MomentumInvestingRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001209466_MomentumInvestingRiskMember_lbl" xml:lang="en-US">Momentum Investing Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001209466_MomentumInvestingRiskMember" xlink:to="ck0001209466_MomentumInvestingRiskMember_lbl"/>
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