0001771146 2025-09-12 2025-09-12 0001771146 ck0001771146:S000091614Member 2025-09-12 2025-09-12 0001771146 ck0001771146:S000091610Member 2025-09-12 2025-09-12 497 ETF Opportunities Trust 0001771146 false N-1A REX-OSREY™ XRP ETF (XRPR)<div style="padding-left:3.77pt;padding-right:3.77pt;text-align:center"><span style="background-color:#ffffff;color:#212529;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">REX-OSREY™ DOGE (DOJE)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">Each listed on the Cboe BZX Exchange, Inc.</span></div><div style="text-align:center"><span><br/></span></div><div style="margin-bottom:10pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">(each a “Fund” and collectively, the “Funds”)</span></div><div style="text-align:center"><span style="background-color:#ffffff;color:#212529;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Each a series of</span></div><div style="padding-left:3.77pt;padding-right:3.77pt;text-align:center"><span style="background-color:#ffffff;color:#212529;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">ETF Opportunities Trust</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">Supplement dated March 11, 2026</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">to the Prospectus </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:700;line-height:120%">dated September 12, 2025, as amended October 23, 2025</span></div>as supplemented from time to time 2026-03-11 2025-09-12 FUND SUMMARY – REX-OSPREY™ XRP ETF Effective May 10, 2026, the following information hereby replaces in its entirety the information under the section titled “INVESTMENT OBJECTIVE” of the Fund’s summary section of its Prospectus: <div style="text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">REX-Osprey</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:7.15pt;font-weight:400;line-height:120%;position:relative;top:-3.85pt;vertical-align:baseline">TM</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> XRP ETF (the “Fund”) seeks investment results of the performance, before fees and expenses, of XRP (“XRP” or the “Reference Asset”).</span></div> FUND SUMMARY – REX-OSPREY™ DOGE ETF Effective May 10, 2026, the following information hereby replaces in its entirety the information under the section titled “INVESTMENT OBJECTIVE” of the Fund’s summary section of its Prospectus: <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%">REX-Osprey</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:7.15pt;font-weight:400;line-height:120%;position:relative;top:-3.85pt;vertical-align:baseline">TM</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> DOGE ETF (the “Fund”) seeks investment results of the performance, before fees and expenses, of Dogecoin (“DOGE” or the “Reference Asset”).</span></div>