<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Wed Jul 01 18:09:15 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ck0001771146_AdvancedMicroDevicesIncMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_AdvancedMicroDevicesIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_AdvancedMicroDevicesIncMember_lbl" xml:lang="en-US">Advanced Micro Devices, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_AdvancedMicroDevicesIncMember" xlink:to="ck0001771146_AdvancedMicroDevicesIncMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_AppliedDigitalCorpMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_AppliedDigitalCorpMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_AppliedDigitalCorpMember_lbl" xml:lang="en-US">Applied Digital Corp [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_AppliedDigitalCorpMember" xlink:to="ck0001771146_AppliedDigitalCorpMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_C000255267Member" xlink:href="ck0001771146-20260430.xsd#ck0001771146_C000255267Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_C000255267Member_lbl" xml:lang="en-US">REX Crypto Equity Premium Income ETF [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_C000255267Member" xlink:to="ck0001771146_C000255267Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_CoinbaseGlobalIncMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_CoinbaseGlobalIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_CoinbaseGlobalIncMember_lbl" xml:lang="en-US">Coinbase Global, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_CoinbaseGlobalIncMember" xlink:to="ck0001771146_CoinbaseGlobalIncMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_ConsumerDiscretionaryMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_ConsumerDiscretionaryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_ConsumerDiscretionaryMember_lbl" xml:lang="en-US">Consumer Discretionary [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_ConsumerDiscretionaryMember" xlink:to="ck0001771146_ConsumerDiscretionaryMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_CryptoCurrencyBlockchainMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_CryptoCurrencyBlockchainMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_CryptoCurrencyBlockchainMember_lbl" xml:lang="en-US">Crypto-Currency/Blockchain [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_CryptoCurrencyBlockchainMember" xlink:to="ck0001771146_CryptoCurrencyBlockchainMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_FinancialsDigitalInvestmentPlatformsMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_FinancialsDigitalInvestmentPlatformsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_FinancialsDigitalInvestmentPlatformsMember_lbl" xml:lang="en-US">Financials - Digital Investment Platforms [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_FinancialsDigitalInvestmentPlatformsMember" xlink:to="ck0001771146_FinancialsDigitalInvestmentPlatformsMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_FinancialsPaymentSystemsMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_FinancialsPaymentSystemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_FinancialsPaymentSystemsMember_lbl" xml:lang="en-US">Financials - Payment Systems [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_FinancialsPaymentSystemsMember" xlink:to="ck0001771146_FinancialsPaymentSystemsMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_IRENLtdMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_IRENLtdMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_IRENLtdMember_lbl" xml:lang="en-US">IREN Ltd. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_IRENLtdMember" xlink:to="ck0001771146_IRENLtdMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_InformationTechnologyHardwareMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_InformationTechnologyHardwareMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_InformationTechnologyHardwareMember_lbl" xml:lang="en-US">Information Technology - Hardware [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_InformationTechnologyHardwareMember" xlink:to="ck0001771146_InformationTechnologyHardwareMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_InformationTechnologySoftwareServicesMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_InformationTechnologySoftwareServicesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_InformationTechnologySoftwareServicesMember_lbl" xml:lang="en-US">Information Technology-Software &amp; Services [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_InformationTechnologySoftwareServicesMember" xlink:to="ck0001771146_InformationTechnologySoftwareServicesMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_MARAHoldingsIncMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_MARAHoldingsIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_MARAHoldingsIncMember_lbl" xml:lang="en-US">MARA Holdings, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_MARAHoldingsIncMember" xlink:to="ck0001771146_MARAHoldingsIncMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_MicronTechnologyIncMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_MicronTechnologyIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_MicronTechnologyIncMember_lbl" xml:lang="en-US">Micron Technology, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_MicronTechnologyIncMember" xlink:to="ck0001771146_MicronTechnologyIncMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_MoneyMarketFundMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_MoneyMarketFundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_MoneyMarketFundMember_lbl" xml:lang="en-US">Money Market Fund [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_MoneyMarketFundMember" xlink:to="ck0001771146_MoneyMarketFundMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_NVIDIACorpMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_NVIDIACorpMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_NVIDIACorpMember_lbl" xml:lang="en-US">NVIDIA Corp. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_NVIDIACorpMember" xlink:to="ck0001771146_NVIDIACorpMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_S000088880Member" xlink:href="ck0001771146-20260430.xsd#ck0001771146_S000088880Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ck0001771146_S000088880Member_lbl" xml:lang="en-US">REX Crypto Equity Premium Income ETF [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_S000088880Member" xlink:to="ck0001771146_S000088880Member_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_StrategyIncMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_StrategyIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_StrategyIncMember_lbl" xml:lang="en-US">Strategy, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_StrategyIncMember" xlink:to="ck0001771146_StrategyIncMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_TaiwanSemiconductorManufacturingCoLtdMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_TaiwanSemiconductorManufacturingCoLtdMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_TaiwanSemiconductorManufacturingCoLtdMember_lbl" xml:lang="en-US">Taiwan Semiconductor Manufacturing Co Ltd. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_TaiwanSemiconductorManufacturingCoLtdMember" xlink:to="ck0001771146_TaiwanSemiconductorManufacturingCoLtdMember_lbl"/>
    <loc xlink:type="locator" xlink:label="ck0001771146_VisaIncMember" xlink:href="ck0001771146-20260430.xsd#ck0001771146_VisaIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_VisaIncMember_lbl" xml:lang="en-US">Visa, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_VisaIncMember" xlink:to="ck0001771146_VisaIncMember_lbl"/>
    <loc xlink:type="locator" xlink:label="us-gaap_AssetsNet" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNet_lbl" xml:lang="en-US">Net Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsNet" xlink:to="us-gaap_AssetsNet_lbl"/>
    <loc xlink:type="locator" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentCompanyPortfolioTurnover"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover_lbl" xml:lang="en-US">Investment Company, Portfolio Turnover</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentCompanyPortfolioTurnover" xlink:to="us-gaap_InvestmentCompanyPortfolioTurnover_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ck0001771146_S000088880Member_lbl0" xml:lang="en-US">S000088880 Member</label>
<!-- [WMV7][skf68b0nLckLCSryrD12ofYLJGQXF8MxvLcKh3XPXIdoF/ibmAffIALQ4rg3X0qV0t5TUEKA8w2rruj5q3WD4F+wy78BCcCnk8Q6hU4E8oI4bBCasqi+XNAcHTVQY/yDDYkWRpJMcvo7AmvMMi2tcb0kGulodNseGERrp390HzXFDiHXU9o6KM8s5xmOYxUDl2O8mOeAQrWBXNuqrMDzEEcJ7H+XaarXWGDb21o4EloDCIfiD/ZrHVB0qxuFpUWLVbYw2ox3ZONqDOqNAjy/M703Rqogn/jPLw+T99xpd+tvZOsLAbFdDfl9ar67Vu3dJOBVHXjmAdcjfpD4/alaERowXZYwjPhdUbAzBMLNRSbMh8LdQBTK] CSR-->
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001771146_S000088880Member" xlink:to="ck0001771146_S000088880Member_lbl0"/>
  </labelLink>
</linkbase>
