v3.26.1
Fees and Expenses
Aug. 19, 2026
Quadratic Interest Rate Volatility and Inflation Hedge ETF  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]

The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.

Shareholder Fees [Table]
Shareholder Fees (fees paid directly from your investment) None

Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)
 
Management Fees 0.99%
Distribution and/or Service (12b-1) Fees* 0.00%
Acquired Fund Fees and Expenses 0.02%
Other Expenses 0.01%
Total Annual Fund Operating Expenses 1.02%
Fee Waiver** -0.04%
Total Annual Fund Operating Expenses after Fee Waiver 0.98%

 

* Pursuant to a Distribution Plan, the Fund may bear a Rule 12b-1 fee not to exceed 0.25% per year of the Fund’s average daily net assets. However, no such fee is currently paid by the Fund, and the Board of Trustees has not currently approved the commencement of any payments under the Distribution Plan.
** The Fund’s investment adviser, Krane Funds Advisors, LLC (“Krane” or “Adviser”), has contractually agreed to waive its management fee by 0.04% of the Fund’s average daily net assets (“Fee Waiver”). The Fee Waiver will continue until August 1, 2028, and may only be terminated prior thereto by the Board.
Expense Example [Heading] Example
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:

 

Expense Example by, Year, Caption [Text] Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
Expense Example, With Redemption [Table]
1 Year 3 Years 5 Years 10 Years
$100 $317 $555 $1,240
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares and is calculated without regard to most derivatives. If such instruments were included, the Fund’s portfolio turnover rate would be higher.

Portfolio Turnover, Rate none
Quadratic Deflation ETF  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund
Expense Narrative [Text Block]

The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.

Shareholder Fees [Table]
Shareholder Fees (fees paid directly from your investment) None

Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)
 
Management Fees 0.99%
Distribution and/or Service (12b-1) Fees* 0.00%
Acquired Fund Fees and Expenses 0.02%
Other Expenses 0.01%
Total Annual Fund Operating Expenses 1.02%

 

* Pursuant to a Distribution Plan, the Fund may bear a Rule 12b-1 fee not to exceed 0.25% per year of the Fund’s average daily net assets. However, no such fee is currently paid by the Fund, and the Board of Trustees has not currently approved the commencement of any payments under the Distribution Plan.
Expense Example [Heading] Example
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:

 

Expense Example by, Year, Caption [Text] Although your actual costs may be higher or lower, based on these assumptions, whether you do or do not sell your shares, your costs would be:
Expense Example, With Redemption [Table]
1 Year 3 Years 5 Years 10 Years
$104 $325 $563 $1,248
Portfolio Turnover [Heading] Portfolio Turnover
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in the Annual Fund Operating Expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 0% of the average value of its portfolio. This rate excludes the value of portfolio securities received or delivered as a result of in-kind creations or redemptions of the Fund’s shares and is calculated without regard to most derivatives. If such instruments were included, the Fund’s portfolio turnover rate would be higher.

Portfolio Turnover, Rate none