Shareholder Report |
6 Months Ended | |||||||||||||||||||||
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Jun. 30, 2025
USD ($)
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Shareholder Report [Line Items] | ||||||||||||||||||||||
Document Type | N-CSRS | |||||||||||||||||||||
Amendment Flag | false | |||||||||||||||||||||
Registrant Name | ETF Opportunities Trust | |||||||||||||||||||||
Entity Central Index Key | 0001771146 | |||||||||||||||||||||
Entity Investment Company Type | N-1A | |||||||||||||||||||||
Document Period End Date | Jun. 30, 2025 | |||||||||||||||||||||
REX Bitcoin Corporate Treasury Convertible Bond ETF [Member] | ||||||||||||||||||||||
Shareholder Report [Line Items] | ||||||||||||||||||||||
Fund Name | REX BITCOIN CORPORATE TREASURY CONVERTIBLE BOND ETF | |||||||||||||||||||||
Class Name | REX BITCOIN CORPORATE TREASURY CONVERTIBLE BOND ETF | |||||||||||||||||||||
Trading Symbol | BMAX | |||||||||||||||||||||
Security Exchange Name | NASDAQ | |||||||||||||||||||||
Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Rex Bitcoin Corporate Treasury Convertible Bond ETF for the period of March 14, 2025 (inception) to June 30, 2025. | |||||||||||||||||||||
Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |||||||||||||||||||||
Additional Information [Text Block] | You can find additional information about the Fund at www.rexshares.com/bmax/. You can also request this information by contacting us at (844) 802-4004. | |||||||||||||||||||||
Additional Information Phone Number | (844) 802-4004 | |||||||||||||||||||||
Additional Information Website | www.rexshares.com/bmax/ | |||||||||||||||||||||
Expenses [Text Block] | What were the Fund costs for the past year? (based on a hypothetical $10,000 investment)
¹ Costs are for the period of March 14, 2025 to June 30, 2025. Costs for a full semi-annual period would be higher. ² Annualized. |
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Expenses Paid, Amount | $ 47 | [1] | ||||||||||||||||||||
Expense Ratio, Percent | 1.42% | [2] | ||||||||||||||||||||
Expenses Short Period Footnote [Text Block] | Costs are for the period of March 14, 2025 to June 30, 2025. Costs for a full semi-annual period would be higher. | |||||||||||||||||||||
Net Assets | $ 10,608,717 | |||||||||||||||||||||
Holdings Count | 12 | |||||||||||||||||||||
Advisory Fees Paid, Amount | $ 35,545 | |||||||||||||||||||||
Investment Company, Portfolio Turnover | 13.07% | |||||||||||||||||||||
Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2025)
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Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2025) Sector Breakdown Top 10 Holdings
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Largest Holdings [Text Block] | Top 10 Holdings
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