Shareholder Report

6 Months Ended

Jun. 30, 2026

USD ($)

Shareholder Report [Line Items]

N-CSRS

false

Registrant Name

ETF Opportunities Trust

Entity Central Index Key

0001771146

Entity Investment Company Type

N-1A

Document Period End Date

Jun. 30, 2026

T-REX 2X LONG AFRM DAILY TARGET ETF [Member]

Shareholder Report [Line Items]

T-REX 2X Long AFRM Daily Target ETF

T-REX 2X Long AFRM Daily Target ETF

AFRU

Security Exchange Name

CboeBZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the T-REX 2X Long AFRM Daily Target ETF for the period of January 1, 2026 to June 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/afru/. You can also request this information by contacting us at (833) 759-6110.

Additional Information Phone Number

(833) 759-6110

Additional Information Website

www.rexshares.com/afru/

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
T-REX 2X Long AFRM Daily Target ETF	$70	1.50%¹

¹ Annualized.

Expenses Paid, Amount

$ 70

Expense Ratio, Percent

1.50%

^[1]

$ 4,555,422

2

Advisory Fees Paid, Amount

$ 23,202

Investment Company, Portfolio Turnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of June 30, 2026)

Fund Net Assets	$4,555,422
Number of Holdings	2
Total Net Advisory Fee	$23,202
Portfolio Turnover Rate	0.00%

Holdings [Text Block]

What did the Fund invest in?

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

Market Exposure

Total Return Swap Contracts: 200.00%

"Market Exposure" includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

Portfolio Composition

Cash	88.03%
Derivatives	6.66%
Money Market Fund	4.80%
Other Assets Net of Liabilities	0.51%

Exposure Basis Explanation [Text Block]

Market Exposure

Total Return Swap Contracts: 200.00%

"Market Exposure" includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

T-REX 2X LONG GLXY DAILY TARGET ETF [Member]

Shareholder Report [Line Items]

T-REX 2X Long GLXY Daily Target ETF

T-REX 2X Long GLXY Daily Target ETF

GLXU

Security Exchange Name

CboeBZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the T-REX 2X Long GLXY Daily Target ETF for the period of January 1, 2026 to June 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/glxu/. You can also request this information by contacting us at (833) 759-6110.

Additional Information Phone Number

(833) 759-6110

Additional Information Website

www.rexshares.com/glxu/

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
T-REX 2X Long GLXY Daily Target ETF	$75	1.62%1,2

1Annualized.

2 Gross expenses, excluding tax expense, would have been 1.50% for the six months ended June 30, 2026.

Expenses Paid, Amount

$ 75

Expense Ratio, Percent

1.62%

^[2],[3]

$ 18,249,150

2

Advisory Fees Paid, Amount

$ 101,218

Investment Company, Portfolio Turnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of June 30, 2026)

Fund Net Assets	$18,249,150
Number of Holdings	2
Total Net Advisory Fee	$101,218
Portfolio Turnover Rate	0.00%

Holdings [Text Block]

What did the Fund invest in?

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

Market Exposure

Total Return Swap Contracts: 200.00%

“Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

Portfolio Composition

Cash	112.50%
Money Market Fund	2.23%
Liabilities in Excess of Other Assets	-0.78%
Derivatives	-13.95%

Exposure Basis Explanation [Text Block]

Market Exposure

Total Return Swap Contracts: 200.00%

“Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

T-REX 2X LONG KTOS DAILY TARGET ETF [Member]

Shareholder Report [Line Items]

T-REX 2X Long KTOS Daily Target ETF

T-REX 2X Long KTOS Daily Target ETF

KTUP

Security Exchange Name

CboeBZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the T-REX 2X Long KTOS Daily Target ETF for the period of January 1, 2026 to June 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/ktup/. You can also request this information by contacting us at (833) 759-6110.

Additional Information Phone Number

(833) 759-6110

Additional Information Website

www.rexshares.com/ktup/

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
T-REX 2X Long KTOS Daily Target ETF	$48	1.50%¹

¹ Annualized.

Expenses Paid, Amount

$ 48

Expense Ratio, Percent

1.50%

^[4]

$ 10,366,525

3

Advisory Fees Paid, Amount

$ 60,510

Investment Company, Portfolio Turnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of June 30, 2026)

Fund Net Assets	$10,366,525
Number of Holdings	3
Total Net Advisory Fee	$60,510
Portfolio Turnover Rate	0.00%

Holdings [Text Block]

What did the Fund invest in?

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

Market Exposure

Total Return Swap Contracts: 200.00%

“Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

Portfolio Composition

Cash	82.98%
Money Market Fund	10.80%
Derivatives	5.52%
Other Assets Net of Liabilities	0.70%

Exposure Basis Explanation [Text Block]

Market Exposure

Total Return Swap Contracts: 200.00%

“Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

T-REX 2X LONG TTD DAILY TARGET ETF [Member]

Shareholder Report [Line Items]

T-REX 2X Long TTD Daily Target ETF

T-REX 2X Long TTD Daily Target ETF

TTDU

Security Exchange Name

CboeBZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the T-REX 2X Long TTD Daily Target ETF for the period of January 1, 2026 to June 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/ttdu/. You can also request this information by contacting us at (833) 759-6110.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(833) 759-6110

Additional Information Website

www.rexshares.com/ttdu/

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
T-REX 2X Long TTD Daily Target ETF	$43	1.50%¹

¹ Annualized.

Expenses Paid, Amount

$ 43

Expense Ratio, Percent

1.50%

^[5]

Material Change Date

Jul. 31, 2026

$ 12,384,328

2

Advisory Fees Paid, Amount

$ 60,484

Investment Company, Portfolio Turnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of June 30, 2026)

Fund Net Assets	$12,384,328
Number of Holdings	2
Total Net Advisory Fee	$60,484
Portfolio Turnover Rate	0.00%

Holdings [Text Block]

What did the Fund invest in?

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

Market Exposure

Total Return Swap Contracts: 200.00%

“Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

Portfolio Composition

Cash	90.60%
Other Assets Net of Liabilities	6.59%
Money Market Fund	2.02%
Derivatives	0.79%

Exposure Basis Explanation [Text Block]

Market Exposure

Total Return Swap Contracts: 200.00%

“Market Exposure” includes the values of total investments (including the contract value of any derivatives) and excludes any short-term investments.

Material Fund Change [Text Block]

Material Changes

Stock Split

On July 31, 2026, the Board of Trustees approved a 1-for-10 reverse stock split for the Fund. The reverse stock split was effectuated after the close of trading on August 21, 2026, and the shares of the Fund began trading on a split-adjusted basis on August 24, 2026. The Creation Unit size remained at 5,000 shares per unit

[1]	Annualized.
[2]	Annualized.
[3]	Gross expenses, excluding tax expense, would have been 1.50% for the six months ended June 30, 2026.
[4]	Annualized.
[5]	Annualized.