v3.26.1
Shareholder Report
 6 Months Ended
May 31, 2026
USD ($)
Holdings
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 May 31, 2026
GSR CRYPTO CORE3 ETF [Member]  
Shareholder Report [Line Items]  
Fund Name GSR Crypto Core3 ETF
Class Name GSR Crypto Core3 ETF
Trading Symbol BESO
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the GSR Crypto Core3 ETF for the period of April 21, 2026 (inception) through May 31, 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.gsretps.io/etf/beso/. You can also request this information by contacting us at (888) 999-5958.
Additional Information Phone Number (888) 999-5958
Additional Information Website www.gsretps.io/etf/beso/
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

GSR Crypto Core3 ETF 

$111

1.00%2

¹ Costs are for the period of April 21, 2026 to May 31, 2026. Costs for a full semi-annual period would be higher.

​2  Annualized.
Expenses Paid, Amount $ 11 [1]
Expense Ratio, Percent 1.00% [2]
Expenses Short Period Footnote [Text Block] Costs are for the period of April 21, 2026 to May 31, 2026. Costs for a full semi-annual period would be higher.
Net Assets $ 7,641,663
Holdings Count | Holdings 4
Advisory Fees Paid, Amount $ 7,484
Investment Company, Portfolio Turnover 209.48%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of May 31, 2026)

Fund Net Assets

$7,641,663

Number of Holdings

4

Total Net Advisory Fee

$7,484

Portfolio Turnover Rate

209.48%
Holdings [Text Block]

What did the Fund invest in?

(% of Net Assets as of May 31, 2026)

Sector Breakdown
Largest Holdings [Text Block]

Top Holdings

Grayscale Bitcoin Mini Trust ETF

14.57%

iShares Staked Ethereum Trust ETF

10.16%

Bitwise Solana Staking ETF

10.13%

First American Government Obligations Fund

1.09%
[1] Costs are for the period of April 21, 2026 to May 31, 2026. Costs for a full semi-annual period would be higher.
[2] Annualized.