v3.26.1
Performance Management
Aug. 04, 2026
Roundhill S&P 500® Target 10,000 2030 ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]

As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history. Once available, the Fund’s performance information will be accessible on the Fund’s website at https://www.roundhillinvestments.com/etf/XX and will provide some indication of the risks of investing in the Fund.

Performance One Year or Less [Text] As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history.
Performance Availability Website Address [Text] https://www.roundhillinvestments.com/etf/XX
Roundhill Innovation-100 Target 50,000 2030 ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]

As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history. Once available, the Fund’s performance information will be accessible on the Fund’s website at https://www.roundhillinvestments.com/etf/QQ and will provide some indication of the risks of investing in the Fund.

Performance One Year or Less [Text] As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history.
Performance Availability Website Address [Text] https://www.roundhillinvestments.com/etf/QQ
Roundhill Dow Target 75,000 2030 ETF  
Prospectus [Line Items]  
Bar Chart and Performance Table [Heading] Performance
Performance Narrative [Text Block]

As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history. Once available, the Fund’s performance information will be accessible on the Fund’s website at https://www.roundhillinvestments.com/etf/DJ and will provide some indication of the risks of investing in the Fund.

Performance One Year or Less [Text] As of the date of this prospectus, the Fund has not yet commenced operations and therefore does not have a performance history.
Performance Availability Website Address [Text] https://www.roundhillinvestments.com/etf/DJ