v3.25.2
Shareholder Report
6 Months Ended
Jun. 30, 2025
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, 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)

Fund Name

Costs of a $10,000 investment

Costs paid as a percentage of a $10,000 investment

Rex Bitcoin Corporate Treasury Convertible Bond ETF

$471

1.42%2

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.

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)

Fund Net Assets

$10,608,717

Number of Holdings

12

Total Advisory Fee

$35,545

Annual Portfolio Turnover

13.07%

Holdings [Text Block]

What did the Fund invest in?

(% of Net Assets as of June 30, 2025)

Sector Breakdown

Top 10 Holdings

MicroStrategy Incorporated 12/1/2029

19.20%

MicroStrategy Incorporated 9/15/2028

13.88%

MicroStrategy Incorporated 3/1/2023

13.64%

MicroStrategy Incorporated 3/15/2030

12.91%

GameStop Corp. 4/1/2030

10.00%

MicroStrategy Incorporated 6/15/2032

9.98%

MicroStrategy Incorporated 3/15/2031

6.63%

Trump Media & Technology Group Corp. 5/29/2028

5.82%

MARA Holdings, Inc. 3/1/2030

5.20%

MARA Holdings, Inc. 6/1/2031

4.62%

Largest Holdings [Text Block]

Top 10 Holdings

MicroStrategy Incorporated 12/1/2029

19.20%

MicroStrategy Incorporated 9/15/2028

13.88%

MicroStrategy Incorporated 3/1/2023

13.64%

MicroStrategy Incorporated 3/15/2030

12.91%

GameStop Corp. 4/1/2030

10.00%

MicroStrategy Incorporated 6/15/2032

9.98%

MicroStrategy Incorporated 3/15/2031

6.63%

Trump Media & Technology Group Corp. 5/29/2028

5.82%

MARA Holdings, Inc. 3/1/2030

5.20%

MARA Holdings, Inc. 6/1/2031

4.62%

[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.