v3.26.3
Shareholder Report
 6 Months Ended
Aug. 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 Aug. 31, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
REX-Osprey(TM) XRP ETF  
Shareholder Report [Line Items]  
Fund Name REX-Osprey™ XRP ETF
Class Name REX-Osprey™ XRP ETF
Trading Symbol XRPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the REX-Osprey™ XRP ETF for the period of March 1, 2026 to August 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.rexshares.com/xrpr/. You can also contact us at 844-802-4004.
Additional Information Phone Number 844-802-4004
Additional Information Website www.rexshares.com/xrpr/
Expenses [Text Block]

What were the Fund costs for the period?

(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-Osprey™ XRP ETF
$60
1.19%¹'²
¹Annualized.
²Gross expenses, excluding interest and tax expense, would have been 0.75% for the six months ended August 31, 2026.
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.19% [1],[2]
Net Assets $ 53,009,816
Holdings Count | Holdings 4
Advisory Fees Paid, Amount $ 192,542
Investment Company, Portfolio Turnover 24.81%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of August 31, 2026 )

Fund Net Assets
$53,009,816
Number of Holdings
4
Total Net Advisory Fee
$192,542
Portfolio Turnover Rate
24.81%
Holdings [Text Block]

What did the Fund invest in?

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

Sector Breakdown

sector
%
Exchange Traded Products
0.3968
Crypto Currencies
0.5834
Money Market Fund
0.0013
Repurchase Agreements
0.0002*
bar
*Includes associated receivable account.
Largest Holdings [Text Block]
Top Holdings
XRP
58.34%
CoinShares XRP ETP
39.68%
First American Government Obligations
Fund - Class X 3.582%
0.13%
Marex Repurchase Agreement
4.245% 9/3/2026
0.02%*
*Includes associated receivable account.
[1] Annualized.
[2] Gross expenses, excluding interest and tax expense, would have been 0.75% for the six months ended August 31, 2026.