v3.26.1
Annual Fund Operating Expenses
Aug. 19, 2026
Quadratic Interest Rate Volatility and Inflation Hedge ETF  
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination August 1, 2028
Quadratic Interest Rate Volatility and Inflation Hedge ETF | Quadratic Interest Rate Volatility and Inflation Hedge ETF  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.99%
Distribution and Service (12b-1) Fees 0.00% [1]
Other Expenses (as a percentage of Assets): 0.01%
Acquired Fund Fees and Expenses 0.02%
Expenses (as a percentage of Assets) 1.02%
Fee Waiver or Reimbursement (0.04%) [2]
Net Expenses (as a percentage of Assets) 0.98%
Quadratic Deflation ETF | Quadratic Deflation ETF  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.99%
Distribution and Service (12b-1) Fees 0.00% [3]
Other Expenses (as a percentage of Assets): 0.01%
Acquired Fund Fees and Expenses 0.02%
Expenses (as a percentage of Assets) 1.02%
[1] 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.
[2] 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.
[3] 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.