Shareholder Report |
6 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
| ||||||||||||||||
| 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, 2026 | |||||||||||||||
| T-REX 2X LONG GME DAILY TARGET ETF [Member] | ||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||
| Fund Name | T-REX 2X Long CRWV Daily Target ETF | |||||||||||||||
| Class Name | T-REX 2X Long CRWV Daily Target ETF | |||||||||||||||
| Trading Symbol | CRWU | |||||||||||||||
| Security Exchange Name | CboeBZX | |||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the T-REX 2X Long CRWV Daily Target ETF for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||
| 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/crwu/. You can also request this information by contacting us at (833) 759-6110. | |||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |||||||||||||||
| Additional Information Phone Number | (833) 759-6110 | |||||||||||||||
| Additional Information Website | www.rexshares.com/crwu/ | |||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
¹ Annualized. |
|||||||||||||||
| Expenses Paid, Amount | $ 82 | |||||||||||||||
| Expense Ratio, Percent | 1.50% | [1] | ||||||||||||||
| Material Change Date | Jul. 31, 2026 | |||||||||||||||
| Net Assets | $ 36,666,304 | |||||||||||||||
| Holdings Count | 2 | |||||||||||||||
| Advisory Fees Paid, Amount | $ 192,913 | |||||||||||||||
| Investment Company, Portfolio Turnover | 0.00% | |||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2026)
|
|||||||||||||||
| Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2026) Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure" includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. Portfolio Composition
|
|||||||||||||||
| Exposure Basis Explanation [Text Block] | Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure" includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. |
|||||||||||||||
| Material Fund Change [Text Block] |
|
|||||||||||||||
| T-REX 2X INVERSE CRWV DAILY TARGET ETF [Member] | ||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||
| Fund Name | T-REX 2X INVERSE CRWV DAILY TARGET ETF | |||||||||||||||
| Class Name | T-REX 2X INVERSE CRWV DAILY TARGET ETF | |||||||||||||||
| Trading Symbol | CORD | |||||||||||||||
| Security Exchange Name | CboeBZX | |||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the T-REX 2X Inverse CRWV Daily Target ETF for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||
| 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/cord/. You can also request this information by contacting us at (833) 759-6110. | |||||||||||||||
| Additional Information Phone Number | (833) 759-6110 | |||||||||||||||
| Additional Information Website | www.rexshares.com/cord/ | |||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
¹ Annualized. |
|||||||||||||||
| Expenses Paid, Amount | $ 42 | |||||||||||||||
| Expense Ratio, Percent | 1.50% | [2] | ||||||||||||||
| Net Assets | $ 16,873,145 | |||||||||||||||
| Holdings Count | 4 | |||||||||||||||
| Advisory Fees Paid, Amount | $ 126,253 | |||||||||||||||
| Investment Company, Portfolio Turnover | 0.00% | |||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2026)
|
|||||||||||||||
| Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2026) Market Exposure Total Return Swap Contracts: .00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. Portfolio Composition
|
|||||||||||||||
| Exposure Basis Explanation [Text Block] | Market Exposure Total Return Swap Contracts: .00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. |
|||||||||||||||
| T-REX 2X LONG CRCL DAILY TARGET ETF [Member] | ||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||
| Fund Name | T-REX 2X Long CRCL Daily Target ETF | |||||||||||||||
| Class Name | T-REX 2X Long CRCL Daily Target ETF | |||||||||||||||
| Trading Symbol | CCUP | |||||||||||||||
| Security Exchange Name | CboeBZX | |||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the T-REX 2X Long CRCL Daily Target ETF for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||
| 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/ccup/. You can also request this information by contacting us at (833) 759-6110. | |||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |||||||||||||||
| Additional Information Phone Number | (833) 759-6110 | |||||||||||||||
| Additional Information Website | www.rexshares.com/ccup/ | |||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
¹ Annualized. |
|||||||||||||||
| Expenses Paid, Amount | $ 50 | |||||||||||||||
| Expense Ratio, Percent | 1.50% | [3] | ||||||||||||||
| Material Change Date | Jul. 31, 2026 | |||||||||||||||
| Net Assets | $ 32,429,123 | |||||||||||||||
| Holdings Count | 2 | |||||||||||||||
| Advisory Fees Paid, Amount | $ 228,618 | |||||||||||||||
| Investment Company, Portfolio Turnover | 0.00% | |||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2026)
|
|||||||||||||||
| Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2026) Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. Portfolio Composition
|
|||||||||||||||
| Exposure Basis Explanation [Text Block] | Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. |
|||||||||||||||
| Material Fund Change [Text Block] |
|
|||||||||||||||
| T-REX 2X INVERSE CRCL DAILY TARGET ETF [Member] | ||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||
| Fund Name | T-REX 2X Inverse CRCL DAILY TARGET ETF | |||||||||||||||
| Class Name | T-REX 2X Inverse CRCL DAILY TARGET ETF | |||||||||||||||
| Trading Symbol | CRCD | |||||||||||||||
| Security Exchange Name | CboeBZX | |||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the T-REX 2X Inverse CRCL Daily Target ETF for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||
| 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/crcd/. You can also request this information by contacting us at (833) 759-6110. | |||||||||||||||
| Additional Information Phone Number | (833) 759-6110 | |||||||||||||||
| Additional Information Website | www.rexshares.com/crcd/ | |||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
¹ Annualized. |
|||||||||||||||
| Expenses Paid, Amount | $ 45 | |||||||||||||||
| Expense Ratio, Percent | 1.50% | [4] | ||||||||||||||
| Net Assets | $ 8,897,936 | |||||||||||||||
| Holdings Count | 3 | |||||||||||||||
| Advisory Fees Paid, Amount | $ 77,299 | |||||||||||||||
| Investment Company, Portfolio Turnover | 0.00% | |||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2026)
|
|||||||||||||||
| Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2026) Market Exposure Total Return Swap Contracts: .00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. Portfolio Composition
|
|||||||||||||||
| Exposure Basis Explanation [Text Block] | Market Exposure Total Return Swap Contracts: .00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. |
|||||||||||||||
| T-REX 2X Long SMR Daily Target ETF [Member] | ||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||
| Fund Name | T-REX 2X LONG SMR DAILY TARGET ETF | |||||||||||||||
| Class Name | T-REX 2X LONG SMR DAILY TARGET ETF | |||||||||||||||
| Trading Symbol | SMUP | |||||||||||||||
| Security Exchange Name | CboeBZX | |||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the T-REX 2X Long SMR Daily Target ETF for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||
| 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/smup/. You can also request this information by contacting us at (833) 759-6110. | |||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |||||||||||||||
| Additional Information Phone Number | (833) 759-6110 | |||||||||||||||
| Additional Information Website | www.rexshares.com/smup/ | |||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
¹ Annualized. 2 Ratio of expenses, excluding excise tax expense, would have been 1.50% |
|||||||||||||||
| Expenses Paid, Amount | $ 51 | |||||||||||||||
| Expense Ratio, Percent | 1.59% | [5],[6] | ||||||||||||||
| Material Change Date | Mar. 23, 2026 | |||||||||||||||
| Net Assets | $ 13,441,934 | |||||||||||||||
| Holdings Count | 2 | |||||||||||||||
| Advisory Fees Paid, Amount | $ 97,458 | |||||||||||||||
| Investment Company, Portfolio Turnover | 0.00% | |||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2026)
|
|||||||||||||||
| Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2026) Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. Portfolio Composition
|
|||||||||||||||
| Exposure Basis Explanation [Text Block] | Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. |
|||||||||||||||
| Material Fund Change [Text Block] |
|
|||||||||||||||
| T-REX 2X LONG BMNR DAILY TARGET ETF [Member] | ||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||
| Fund Name | T-REX 2X Long BMNR Daily Target ETF | |||||||||||||||
| Class Name | T-REX 2X Long BMNR Daily Target ETF | |||||||||||||||
| Trading Symbol | BMNU | |||||||||||||||
| Security Exchange Name | CboeBZX | |||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the T-REX 2X Long BMNR Daily Target ETF for the period of January 1, 2026 to June 30, 2026. | |||||||||||||||
| 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/bmnu/. You can also request this information by contacting us at (833) 759-6110. | |||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period. | |||||||||||||||
| Additional Information Phone Number | (833) 759-6110 | |||||||||||||||
| Additional Information Website | www.rexshares.com/bmnu/ | |||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
¹ Annualized. |
|||||||||||||||
| Expenses Paid, Amount | $ 42 | |||||||||||||||
| Expense Ratio, Percent | 1.50% | [7] | ||||||||||||||
| Material Change Date | Jun. 18, 2026 | |||||||||||||||
| Net Assets | $ 165,444,514 | |||||||||||||||
| Holdings Count | 6 | |||||||||||||||
| Advisory Fees Paid, Amount | $ 2,400,741 | |||||||||||||||
| Investment Company, Portfolio Turnover | 0.00% | |||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of June 30, 2026)
|
|||||||||||||||
| Holdings [Text Block] | What did the Fund invest in? (% of Net Assets as of June 30, 2026) Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure" includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. Portfolio Composition
|
|||||||||||||||
| Exposure Basis Explanation [Text Block] | Market Exposure Total Return Swap Contracts: 200.00% “Market Exposure" includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments. |
|||||||||||||||
| Material Fund Change [Text Block] |
|
|||||||||||||||
| ||||||||||||||||