v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 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 Apr. 30, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
IDX Alternative FIAT ETF  
Shareholder Report [Line Items]  
Fund Name IDX Alternative FIAT ETF
Class Name IDX Alternative FIAT ETF
Trading Symbol GLDB
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the IDX Alternative FIAT 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 at https://idxshares.com/gldb/ or (844) 456-4545.
Additional Information Phone Number (844) 456-4545
Additional Information Website https://idxshares.com/gldb/
Expenses [Text Block]

What were the Fund costs for the period?

(based on a hypothetical $10,000 investment)

Fund
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
IDX Alternative FIAT ETF
$46.77
0.95%
*Annualized
Expenses Paid, Amount $ 46.77
Expense Ratio, Percent 0.95% [1]
Net Assets $ 45,480,799
Holdings Count | Holdings 5
Advisory Fees Paid, Amount $ 143,606
Investment Company, Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of April 30, 2026)

Net Assets
$45,480,799
Number of Holdings
5
Total Advisory Fee
$143,606
Portfolio Turnover Rate
0.00%
Holdings [Text Block]

Sector Breakdown

sector
%
COMMODITIES
1.04%
MONEY MARKET FUNDS
75.05%
bar
Largest Holdings [Text Block]

What did the Fund invest in?

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

Top Holdings
First American Government Obligations Fund, Class X
75.05%
SPDR Gold MiniShares Trust
0.48%
iShares Silver Trust
0.26%
iShares Bitcoin Trust ETF
0.19%
iShares Ethereum Trust ETF
0.11%
IDX DYNAMIC FIXED INCOME ETF  
Shareholder Report [Line Items]  
Fund Name IDX Dynamic Fixed Income ETF
Class Name IDX Dynamic Fixed Income ETF
Trading Symbol DYFI
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the IDX Dynamic Fixed 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 at https://idxshares.com/dyfi/ or (844) 456-4545.
Additional Information Phone Number (844) 456-4545
Additional Information Website https://idxshares.com/dyfi/
Expenses [Text Block]

What were the Fund costs for the period?

(based on a hypothetical $10,000 investment)

Fund
Cost of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
IDX Dynamic Fixed Income ETF
$34.57
0.70%
*Annualized.
Expenses Paid, Amount $ 34.57
Expense Ratio, Percent 0.70% [2]
Net Assets $ 54,977,441
Holdings Count | Holdings 10
Advisory Fees Paid, Amount $ 199,781
Investment Company, Portfolio Turnover 95.51%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of April 30, 2026)

Net Assets
$54,977,441
Number of Holdings
10
Total Advisory Fee
$199,781
Portfolio Turnover Rate
95.51%
Holdings [Text Block]

Sector Breakdown

sector
%
GOVERNMENT
42.98%
HIGH YIELD
35.45%
OTHER FIXED INCOME
14.94%
CORPORATE
6.01%
bar
Largest Holdings [Text Block]

What did the Fund invest in?

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

Top Holdings
PIMCO Multisector Bond Active ETF
17.65%
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
14.99%
VanEck Fallen Angel High Yield Bond ETF
12.74%
iShares 1-3 Year Treasury Bond ETF
10.00%
iShares 7-10 Year Treasury Bond ETF
9.99%
Simplify MBS ETF
9.95%
iShares 3-7 Year Treasury Bond ETF
8.00%
iShares 1-5 Year Investment Grade Corporate Bond ETF
6.01%
iShares iBoxx USD High Yield Corporate Bond ETF
5.06%
Janus Henderson AAA CLO ETF
4.98%
[1] Annualized
[2] Annualized.