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    <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
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      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_ConcentrationRiskMember" xlink:label="boat_ConcentrationRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ConcentrationRiskMember" xlink:to="boat_ConcentrationRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_ConcentrationRiskMember_lbl" xml:lang="en-US">Concentration Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_EquityMarketRiskMember" xlink:label="boat_EquityMarketRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_EquityMarketRiskMember" xlink:to="boat_EquityMarketRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_EquityMarketRiskMember_lbl" xml:lang="en-US">Equity Market Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_CurrencyExchangeRateRiskMember" xlink:label="boat_CurrencyExchangeRateRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_CurrencyExchangeRateRiskMember" xlink:to="boat_CurrencyExchangeRateRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_CurrencyExchangeRateRiskMember_lbl" xml:lang="en-US">Currency Exchange Rate Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_DepositaryReceiptRiskMember" xlink:label="boat_DepositaryReceiptRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_DepositaryReceiptRiskMember" xlink:to="boat_DepositaryReceiptRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_DepositaryReceiptRiskMember_lbl" xml:lang="en-US">Depositary Receipt Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_ForeignSecuritiesRiskMember" xlink:label="boat_ForeignSecuritiesRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ForeignSecuritiesRiskMember" xlink:to="boat_ForeignSecuritiesRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_ForeignSecuritiesRiskMember_lbl" xml:lang="en-US">Foreign Securities Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_GeneralMarketRiskMember" xlink:label="boat_GeneralMarketRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_GeneralMarketRiskMember" xlink:to="boat_GeneralMarketRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_GeneralMarketRiskMember_lbl" xml:lang="en-US">General Market Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_ETFRiskMember" xlink:label="boat_ETFRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ETFRiskMember" xlink:to="boat_ETFRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_ETFRiskMember_lbl" xml:lang="en-US">ETF Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember" xlink:label="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember" xlink:to="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_lbl" xml:lang="en-US">Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_CostsOfBuyingOrSellingSharesMember" xlink:label="boat_CostsOfBuyingOrSellingSharesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_CostsOfBuyingOrSellingSharesMember" xlink:to="boat_CostsOfBuyingOrSellingSharesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_CostsOfBuyingOrSellingSharesMember_lbl" xml:lang="en-US">Costs of Buying or Selling Shares [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_SharesMayTradeAtPricesOtherThanNavMember" xlink:label="boat_SharesMayTradeAtPricesOtherThanNavMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SharesMayTradeAtPricesOtherThanNavMember" xlink:to="boat_SharesMayTradeAtPricesOtherThanNavMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_SharesMayTradeAtPricesOtherThanNavMember_lbl" xml:lang="en-US">Shares May Trade at Prices Other Than NAV [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_TradingMember" xlink:label="boat_TradingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_TradingMember" xlink:to="boat_TradingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_TradingMember_lbl" xml:lang="en-US">Trading [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_IndexRiskMember" xlink:label="boat_IndexRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_IndexRiskMember" xlink:to="boat_IndexRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_IndexRiskMember_lbl" xml:lang="en-US">Index Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_MarketCapitalizationRiskMember" xlink:label="boat_MarketCapitalizationRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_MarketCapitalizationRiskMember" xlink:to="boat_MarketCapitalizationRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_MarketCapitalizationRiskMember_lbl" xml:lang="en-US">Market Capitalization Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_LargeCapitalizationInvestingMember" xlink:label="boat_LargeCapitalizationInvestingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_LargeCapitalizationInvestingMember" xlink:to="boat_LargeCapitalizationInvestingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_LargeCapitalizationInvestingMember_lbl" xml:lang="en-US">Large-Capitalization Investing [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_MidCapitalizationInvestingMember" xlink:label="boat_MidCapitalizationInvestingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_MidCapitalizationInvestingMember" xlink:to="boat_MidCapitalizationInvestingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_MidCapitalizationInvestingMember_lbl" xml:lang="en-US">Mid-Capitalization Investing [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_SmallCapitalizationInvestingMember" xlink:label="boat_SmallCapitalizationInvestingMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SmallCapitalizationInvestingMember" xlink:to="boat_SmallCapitalizationInvestingMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_SmallCapitalizationInvestingMember_lbl" xml:lang="en-US">Small-Capitalization Investing [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_PassiveInvestmentRiskMember" xlink:label="boat_PassiveInvestmentRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_PassiveInvestmentRiskMember" xlink:to="boat_PassiveInvestmentRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_PassiveInvestmentRiskMember_lbl" xml:lang="en-US">Passive Investment Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_RecentMarketEventsRiskMember" xlink:label="boat_RecentMarketEventsRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_RecentMarketEventsRiskMember" xlink:to="boat_RecentMarketEventsRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_RecentMarketEventsRiskMember_lbl" xml:lang="en-US">Recent Market Events Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_SectorRiskMember" xlink:label="boat_SectorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SectorRiskMember" xlink:to="boat_SectorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_SectorRiskMember_lbl" xml:lang="en-US">Sector Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_IndustrialsSectorRiskMember" xlink:label="boat_IndustrialsSectorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_IndustrialsSectorRiskMember" xlink:to="boat_IndustrialsSectorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_IndustrialsSectorRiskMember_lbl" xml:lang="en-US">Industrials Sector Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_TransportationIndustryRiskMember" xlink:label="boat_TransportationIndustryRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_TransportationIndustryRiskMember" xlink:to="boat_TransportationIndustryRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_TransportationIndustryRiskMember_lbl" xml:lang="en-US">Transportation Industry Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_ThirdPartyDataRiskMember" xlink:label="boat_ThirdPartyDataRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ThirdPartyDataRiskMember" xlink:to="boat_ThirdPartyDataRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_ThirdPartyDataRiskMember_lbl" xml:lang="en-US">Third Party Data Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_TrackingErrorRiskMember" xlink:label="boat_TrackingErrorRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_TrackingErrorRiskMember" xlink:to="boat_TrackingErrorRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_TrackingErrorRiskMember_lbl" xml:lang="en-US">Tracking Error Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_UnderlyingIndexRiskMember" xlink:label="boat_UnderlyingIndexRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_UnderlyingIndexRiskMember" xlink:to="boat_UnderlyingIndexRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_UnderlyingIndexRiskMember_lbl" xml:lang="en-US">Underlying Index Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_C000229056Member" xlink:label="boat_C000229056Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_C000229056Member" xlink:to="boat_C000229056Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_C000229056Member_lbl" xml:lang="en-US">SonicShares Global Shipping ETF [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_SAndP500TotalReturnIndexMember" xlink:label="boat_SAndP500TotalReturnIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SAndP500TotalReturnIndexMember" xlink:to="boat_SAndP500TotalReturnIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_SAndP500TotalReturnIndexMember_lbl" xml:lang="en-US">S&amp;P 500 Total Return Index (reflects no deduction for fees, expenses, or taxes)</link:label>
      <link:loc xlink:type="locator" xlink:href="boat-20260727.xsd#boat_SolactiveGlobalShippingIndexMember" xlink:label="boat_SolactiveGlobalShippingIndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SolactiveGlobalShippingIndexMember" xlink:to="boat_SolactiveGlobalShippingIndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="boat_SolactiveGlobalShippingIndexMember_lbl" xml:lang="en-US">Solactive Global Shipping Index (reflects no deduction for fees, expenses, or taxes)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_S000072647Member" xlink:to="boat_S000072647Member_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_S000072647Member_doc" xml:lang="en-US">SonicShares Global Shipping ETF.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_C000229056Member" xlink:to="boat_C000229056Member_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_C000229056Member_doc" xml:lang="en-US">SonicShares Global Shipping ETF.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_AssociatedRisksOfInvestingInGlobalShippingCompaniesMember" xlink:to="boat_AssociatedRisksOfInvestingInGlobalShippingCompaniesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_AssociatedRisksOfInvestingInGlobalShippingCompaniesMember_doc" xml:lang="en-US">Associated Risks of Investing in Global Shipping Companies.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember" xlink:to="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_AuthorizedParticipantsMarketMakersAndLiquidityProvidersConcentrationRiskMember_doc" xml:lang="en-US">Authorized Participants Market Makers and Liquidity Providers Concentration Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_CostsOfBuyingOrSellingSharesMember" xlink:to="boat_CostsOfBuyingOrSellingSharesMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_CostsOfBuyingOrSellingSharesMember_doc" xml:lang="en-US">Costs of Buying or Selling Shares.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_IndustrialsSectorRiskMember" xlink:to="boat_IndustrialsSectorRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_IndustrialsSectorRiskMember_doc" xml:lang="en-US">Industrials Sector Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_TransportationIndustryRiskMember" xlink:to="boat_TransportationIndustryRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_TransportationIndustryRiskMember_doc" xml:lang="en-US">Transportation Industry Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SolactiveGlobalShippingIndexMember" xlink:to="boat_SolactiveGlobalShippingIndexMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_SolactiveGlobalShippingIndexMember_doc" xml:lang="en-US">Solactive Global Shipping Index (reflects no deduction for fees, expenses, or taxes).</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_LargeCapitalizationInvestingMember" xlink:to="boat_LargeCapitalizationInvestingMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_LargeCapitalizationInvestingMember_doc" xml:lang="en-US">Large-Capitalization Investing.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_MidCapitalizationInvestingMember" xlink:to="boat_MidCapitalizationInvestingMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_MidCapitalizationInvestingMember_doc" xml:lang="en-US">Mid-Capitalization Investing.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SmallCapitalizationInvestingMember" xlink:to="boat_SmallCapitalizationInvestingMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_SmallCapitalizationInvestingMember_doc" xml:lang="en-US">Small-Capitalization Investing.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ConcentrationRiskMember" xlink:to="boat_ConcentrationRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_ConcentrationRiskMember_doc" xml:lang="en-US">Concentration Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_EquityMarketRiskMember" xlink:to="boat_EquityMarketRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_EquityMarketRiskMember_doc" xml:lang="en-US">Equity Market Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_CurrencyExchangeRateRiskMember" xlink:to="boat_CurrencyExchangeRateRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_CurrencyExchangeRateRiskMember_doc" xml:lang="en-US">Currency Exchange Rate Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_DepositaryReceiptRiskMember" xlink:to="boat_DepositaryReceiptRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_DepositaryReceiptRiskMember_doc" xml:lang="en-US">Depositary Receipt Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ForeignSecuritiesRiskMember" xlink:to="boat_ForeignSecuritiesRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_ForeignSecuritiesRiskMember_doc" xml:lang="en-US">Foreign Securities Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_GeneralMarketRiskMember" xlink:to="boat_GeneralMarketRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_GeneralMarketRiskMember_doc" xml:lang="en-US">General Market Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ETFRiskMember" xlink:to="boat_ETFRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_ETFRiskMember_doc" xml:lang="en-US">ETF Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_IndexRiskMember" xlink:to="boat_IndexRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_IndexRiskMember_doc" xml:lang="en-US">Index Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_PassiveInvestmentRiskMember" xlink:to="boat_PassiveInvestmentRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_PassiveInvestmentRiskMember_doc" xml:lang="en-US">Passive Investment Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_RecentMarketEventsRiskMember" xlink:to="boat_RecentMarketEventsRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_RecentMarketEventsRiskMember_doc" xml:lang="en-US">Recent Market Events Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SectorRiskMember" xlink:to="boat_SectorRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_SectorRiskMember_doc" xml:lang="en-US">Sector Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_ThirdPartyDataRiskMember" xlink:to="boat_ThirdPartyDataRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_ThirdPartyDataRiskMember_doc" xml:lang="en-US">Third Party Data Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_TrackingErrorRiskMember" xlink:to="boat_TrackingErrorRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_TrackingErrorRiskMember_doc" xml:lang="en-US">Tracking Error Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_UnderlyingIndexRiskMember" xlink:to="boat_UnderlyingIndexRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_UnderlyingIndexRiskMember_doc" xml:lang="en-US">Underlying Index Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_MarketCapitalizationRiskMember" xlink:to="boat_MarketCapitalizationRiskMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_MarketCapitalizationRiskMember_doc" xml:lang="en-US">Market Capitalization Risk.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SAndP500TotalReturnIndexMember" xlink:to="boat_SAndP500TotalReturnIndexMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_SAndP500TotalReturnIndexMember_doc" xml:lang="en-US">S&amp;P 500 Total Return Index (reflects no deduction for fees, expenses, or taxes).</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_SharesMayTradeAtPricesOtherThanNavMember" xlink:to="boat_SharesMayTradeAtPricesOtherThanNavMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_SharesMayTradeAtPricesOtherThanNavMember_doc" xml:lang="en-US">Shares May Trade at Prices Other Than NAV.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="boat_TradingMember" xlink:to="boat_TradingMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="boat_TradingMember_doc" xml:lang="en-US">Trading.</link:label>
    </link:labelLink>
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