v3.26.1
Shareholder Report
6 Months Ended
Apr. 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 Apr. 30, 2026
REX Crypto Equity Premium Income ETF [Member]  
Shareholder Report [Line Items]  
Fund Name REX Crypto Equity Premium Income ETF
Class Name REX Crypto Equity Premium Income ETF
Trading Symbol CEPI
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the REX Crypto Equity Premium Income ETF for the period of November 1, 2025 to April 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/cepi/. 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/cepi/
Expenses [Text Block]

What were the Fund costs for the past six months?

(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 Crypto Equity Premium Income ETF

$42

0.85%¹

¹ Annualized.

Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85% [1]
Net Assets $ 93,816,679
Holdings Count 87
Advisory Fees Paid, Amount $ 357,596
Investment Company, Portfolio Turnover 27.61%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of April 30, 2026)

Fund Net Assets

$93,816,679

Number of Holdings

87

Total Net Advisory Fee

$357,596

Portfolio Turnover Rate

27.61%

Holdings [Text Block]

What did the Fund invest in?

(% of Net Assets as of April 30, 2026)

Sector Breakdown

Largest Holdings [Text Block]

Top Ten Holdings

Advanced Micro Devices, Inc.

6.67%

Micron Technology, Inc.

5.77%

Applied Digital Corp.

5.70%

Strategy, Inc.

5.64%

MARA Holdings, Inc.

5.63%

IREN Ltd.

5.35%

Taiwan Semiconductor Manufacturing Co. Ltd.

4.78%

NVIDIA Corp.

4.60%

Visa, Inc.

4.48%

Coinbase Global, Inc.

4.48%

[1] Annualized.