v3.26.1
Performance Management - Roundhill Generative AI & Technology ETF
Aug. 25, 2026
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]

The following performance information provides some indication of the risks of investing in the Fund by showing changes in the Fund’s performance over time. The following bar chart shows the Fund’s annual returns. The table illustrates how the Fund’s average annual returns for the 1-year and since inception periods compare with those of a broad measure of market performance. The Fund’s past performance, before and after taxes, does not necessarily indicate how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.roundhillinvestments.com/etf/chat.

 

Performance Past Does Not Indicate Future [Text] The Fund’s past performance, before and after taxes, does not necessarily indicate how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] The following performance information provides some indication of the risks of investing in the Fund by showing changes in the Fund’s performance over time.
Bar Chart [Heading] Calendar Year Ended December 31   
Bar Chart [Table]

 

Bar Chart Closing [Text Block]

The Fund’s calendar year-to-date return as of June 30, 2026 was 66.01%.

 

During the period of time shown in the bar chart, the highest return for a calendar quarter was 39.44% (quarter ended June 30, 2025) and the lowest return for a calendar quarter was -13.77% (quarter ended March 31, 2025). 

 

Year to Date Return, Label [Optional Text] calendar year-to-date return
Bar Chart, Year to Date Return 66.01%
Bar Chart, Year to Date Return, Date Jun. 30, 2026
Highest Quarterly Return, Label [Optional Text] highest return for a calendar quarter
Highest Quarterly Return 39.44%
Highest Quarterly Return, Date Jun. 30, 2025
Lowest Quarterly Return, Label [Optional Text] lowest return for a calendar quarter
Lowest Quarterly Return (13.77%)
Lowest Quarterly Return, Date Mar. 31, 2025
Performance Table Heading Average Annual Total Returns     For the Periods Ended December 31, 2025
Performance Table Uses Highest Federal Rate After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred or other tax-advantaged arrangements such as an individual retirement account (“IRA”).
Performance Table Explanation after Tax Higher A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Performance [Table]
  1 Year Since Inception
(5/17/2023)
Return Before Taxes 49.83% 39.49%
Return After Taxes on Distributions 48.15% 38.89%
Return After Taxes on Distributions and Sale of Fund Shares 29.51% 31.51%
S&P 500 Total Return Index(1) 
(reflects no deduction for fees, expenses, or taxes)
17.88% 22.60%
 (1) The Fund changed its benchmark index to correct an inadvertent change to the benchmark reflected in the prior year’s prospectus.
       

Index No Deduction for Fees, Expenses, or Taxes [Text] (reflects no deduction for fees, expenses, or taxes)
Performance Table Closing [Text Block]

After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred or other tax-advantaged arrangements such as an individual retirement account (“IRA”). In certain cases, the figures representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than the other figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.

 

Performance Availability Website Address [Text] www.roundhillinvestments.com/etf/chat