v3.26.1
Shareholder Report
6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name WEBs ETF Trust
Entity Central Index Key 0001580843
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
C000255373  
Shareholder Report [Line Items]  
Fund Name WEBs SPY Defined Volatility ETF
Trading Symbol DVSP
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs SPY Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvsp/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvsp/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs SPY Defined Volatility ETF
$42
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85%
AssetsNet $ 1,643,224
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 9,981
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,643,224
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$9,981
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
48.6%
Time deposits
58.1%
Total Return Swaps
-6.6%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
JPMorgan Chase, New York 2.98% 05/01/2026
58.1%
State Street SPDR S&P 500 ETF Trust
48.6%
Total Return Swap State Street SPDR S&P 500 ETF Trust Overnight Bank Funding Rate + 1.25% 03/02/2027
-6.6%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000255375  
Shareholder Report [Line Items]  
Fund Name WEBs QQQ Defined Volatility ETF
Trading Symbol DVQQ
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs QQQ Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvqq/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvqq/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs QQQ Defined Volatility ETF
$42
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85%
AssetsNet $ 2,856,153
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 16,037
InvestmentCompanyPortfolioTurnover 14.70%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$2,856,153
# of Portfolio Holdings
3
Portfolio Turnover Rate
14.7%
Advisory Fees Paid
$16,037
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
49.4%
Time deposits
53.8%
Total Return Swaps
-3.1%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
Citibank, New York 2.98% 05/01/2026
53.8%
Invesco QQQ Trust Series 1
49.4%
Total Return Swap Invesco QQQ Trust Series 1 Overnight Bank Funding Rate + 1.25% 03/02/2027
-3.1%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259001  
Shareholder Report [Line Items]  
Fund Name WEBs Energy XLE Defined Volatility ETF
Trading Symbol DVXE
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Energy XLE Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxe/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxe/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Energy XLE Defined Volatility ETF
$54
0.86%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 54
Expense Ratio, Percent 0.86%
AssetsNet $ 1,390,217
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 2,239
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$1,390,217
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$2,239
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
44.0%
Time deposits
51.1%
Total Return Swaps
6.8%
Other Assets less Liabilities
-1.9%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
Citibank, New York 2.98% 05/01/2026
51.1%
State Street Energy Select Sector SPDR ETF
44.0%
Total Return Swap State Street Energy Select Sector SPDR ETF Federal Funds Composite Interest Rate + 1.00% 08/25/2026
6.8%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000258997  
Shareholder Report [Line Items]  
Fund Name WEBs Materials XLB Defined Volatility ETF
Trading Symbol DVXB
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Materials XLB Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxb/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxb/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Materials XLB Defined Volatility ETF
$51
0.87%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.87%
AssetsNet $ 288,655
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 1,109
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$288,655
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,109
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
48.9%
Time deposits
41.6%
Total Return Swaps
10.9%
Other Assets less Liabilities
-1.4%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Materials Select Sector SPDR ETF
48.9%
Citibank, New York 2.98% 05/01/2026
41.6%
Total Return Swap State Street Materials Select Sector SPDR ETF Overnight Bank Funding Rate + 1.25% 08/25/2026
10.9%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259003  
Shareholder Report [Line Items]  
Fund Name WEBs Industrials XLI Defined Volatility ETF
Trading Symbol DVIN
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Industrials XLI Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvin/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvin/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Industrials XLI Defined Volatility ETF
$45
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.85%
AssetsNet $ 295,358
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 1,165
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$295,358
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,165
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
48.8%
Time deposits
39.4%
Total Return Swaps
11.8%
Other Assets less Liabilities
0.0%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Industrial Select Sector SPDR ETF
48.8%
Citibank, New York 2.98% 05/01/2026
39.4%
Total Return Swap State Street Industrial Select Sector SPDR ETF Overnight Bank Funding Rate + 1.20% 08/24/2026
11.8%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000258999  
Shareholder Report [Line Items]  
Fund Name WEBs Consumer Discretionary XLY Defined Volatility ETF
Trading Symbol DVXY
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Consumer Discretionary XLY Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxy/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxy/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Consumer Discretionary XLY Defined Volatility ETF
$40
0.86%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.86%
AssetsNet $ 236,084
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 1,043
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$236,084
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,043
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
56.1%
Time deposits
50.8%
Total Return Swaps
-5.7%
Other Assets less Liabilities
-1.2%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Consumer Discretionary Select Sector SPDR ETF
56.1%
JPMorgan Chase, New York 2.98% 05/01/2026
50.8%
Total Return Swap State Street Consumer Discretionary Select Sector SPDR ETF Overnight Bank Funding Rate + 1.25% 08/25/2026
-5.7%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259005  
Shareholder Report [Line Items]  
Fund Name WEBs Consumer Staples XLP Defined Volatility ETF
Trading Symbol DVXP
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Consumer Staples XLP Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxp/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxp/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Consumer Staples XLP Defined Volatility ETF
$46
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.85%
AssetsNet $ 255,212
Holdings Count | Holding 4
Advisory Fees Paid, Amount $ 1,024
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$255,212
# of Portfolio Holdings
4
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,024
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
50.8%
Time deposits
46.4%
Total Return Swaps
2.8%
Other Assets less Liabilities
0.0%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Consumer Staples Select Sector SPDR ETF
50.8%
Citibank, New York 2.98% 05/01/2026
39.5%
JPMorgan Chase, New York 2.98% 05/01/2026
6.9%
Total Return Swap State Street Consumer Staples Select Sector SPDR ETF Overnight Bank Funding Rate + 1.20% 08/24/2026
2.8%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000258998  
Shareholder Report [Line Items]  
Fund Name WEBs Health Care XLV Defined Volatility ETF
Trading Symbol DVXV
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Health Care XLV Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxv/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxv/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Health Care XLV Defined Volatility ETF
$43
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
AssetsNet $ 576,384
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 3,366
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$576,384
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$3,366
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
48.2%
Time deposits
44.3%
Total Return Swaps
7.6%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Health Care Select Sector SPDR ETF
48.2%
Citibank, New York 2.98% 05/01/2026
44.3%
Total Return Swap State Street Health Care Select Sector SPDR ETF Overnight Bank Funding Rate + 1.25% 08/25/2026
7.6%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259002  
Shareholder Report [Line Items]  
Fund Name WEBs Financial XLF Defined Volatility ETF
Trading Symbol DVXF
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Financial XLF Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxf/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxf/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Financial XLF Defined Volatility ETF
$42
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85%
AssetsNet $ 238,557
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 1,021
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$238,557
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,021
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
51.9%
Time deposits
48.5%
Total Return Swaps
-0.3%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Financial Select Sector SPDR ETF
51.9%
Citibank, New York 2.98% 05/01/2026
48.5%
Total Return Swap State Street Financial Select Sector SPDR ETF Overnight Bank Funding Rate + 1.20% 08/24/2026
-0.3%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259004  
Shareholder Report [Line Items]  
Fund Name WEBs Technology XLK Defined Volatility ETF
Trading Symbol DVXK
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Technology XLK Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxk/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxk/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Technology XLK Defined Volatility ETF
$42
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85%
AssetsNet $ 303,255
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 1,189
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$303,255
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,189
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
48.6%
Time deposits
41.3%
Total Return Swaps
10.2%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Technology Select Sector SPDR ETF
48.6%
Citibank, New York 2.98% 05/01/2026
41.3%
Total Return Swap State Street Technology Select Sector SPDR ETF Federal Funds Composite Interest Rate + 1.00% 08/25/2026
10.2%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259000  
Shareholder Report [Line Items]  
Fund Name WEBs Communication Services XLC Defined Volatility ETF
Trading Symbol DVXC
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Communication Services XLC Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvxc/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvxc/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Communication Services XLC Defined Volatility ETF
$42
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.85%
AssetsNet $ 272,815
Holdings Count | Holding 4
Advisory Fees Paid, Amount $ 1,162
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$272,815
# of Portfolio Holdings
4
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,162
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
49.6%
Time deposits
41.6%
Total Return Swaps
8.9%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Communication Services Select Sector SPDR ETF
49.6%
Citibank, New York 2.98% 05/01/2026
34.3%
JPMorgan Chase, New York 2.98% 05/01/2026
7.3%
Total Return Swap State Street Communication Services Select Sector SPDR ETF Overnight Bank Funding Rate + 1.20% 08/24/2026
8.9%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259007  
Shareholder Report [Line Items]  
Fund Name WEBs Utilities XLU Defined Volatility ETF
Trading Symbol DVUT
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Utilities XLU Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvut/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvut/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Utilities XLU Defined Volatility ETF
$43
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
AssetsNet $ 288,278
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 1,136
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$288,278
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$1,136
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
48.4%
Time deposits
42.2%
Total Return Swaps
8.9%
Other Assets less Liabilities
0.5%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Utilities Select Sector SPDR ETF
48.4%
JPMorgan Chase, New York 2.98% 05/01/2026
42.2%
Total Return Swap State Street Utilities Select Sector SPDR ETF Federal Funds Composite Interest Rate + 1.00% 08/25/2026
8.9%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.
C000259006  
Shareholder Report [Line Items]  
Fund Name WEBs Real Estate XLRE Defined Volatility ETF
Trading Symbol DVRE
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about WEBs Real Estate XLRE Defined Volatility ETF ("the Fund") for the period from 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 https://www.websinv.com/product_page/dvre/. You can also request this information by contacting us at (844) 455-WEBS / (844) 455-9327 or info@websinv.com.
Additional Information Phone Number (844) 455-WEBS / (844) 455-9327
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 300; grid-area: auto; line-height: 12.8px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@websinv.com</span>
Additional Information Website https://www.websinv.com/product_page/dvre/
Expenses [Text Block]

What were the Fund's costs for the period?

(based on hypothetical $10,000 investment)

Table Summary
Fund name
Costs of a $10,000 investment
Costs paid as a % of a $10,000 investmentFootnote Reference*
WEBs Real Estate XLRE Defined Volatility ETF
$44
0.85%
FootnoteDescription
Footnote*
Annualized for period less than one year, except for interest expenses, if any.
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.85%
AssetsNet $ 246,825
Holdings Count | Holding 3
Advisory Fees Paid, Amount $ 974
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$246,825
# of Portfolio Holdings
3
Portfolio Turnover Rate
0.0%
Advisory Fees Paid
$974
Holdings [Text Block]

Security Type Breakdown (% of Net Assets)

Table Summary
Exchange-Traded Funds
53.0%
Time deposits
41.4%
Total Return Swaps
5.7%
Other Assets less Liabilities
-0.1%
Largest Holdings [Text Block]

Top Ten Holdings (% of Net Assets)

Table Summary
State Street Real Estate Select Sector SPDR ETF
53.0%
JPMorgan Chase, New York 2.98% 05/01/2026
41.4%
Total Return Swap State Street Real Estate Select Sector SPDR ETF Federal Funds Composite Interest Rate + 1.00% 08/25/2026
5.7%
Accountant Change Statement [Text Block] There were no changes in or disagreements with accountants during the period.