v3.26.1
Average Annual Total Returns - Roundhill S&P 500 0DTE Covered Call Strategy ETF
12 Months Ended 22 Months Ended
Aug. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent   22.52% 18.39%
Performance Inception Date Mar. 06, 2024    
Roundhill S&P 500 0DTE Covered Call Strategy ETF Shares      
Prospectus [Line Items]      
Average Annual Return, Percent   12.74% 16.87%
Performance Inception Date Mar. 06, 2024    
Roundhill S&P 500 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent   8.87% 13.14%
Performance Inception Date Mar. 06, 2024    
Roundhill S&P 500 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent   8.90% 11.96%
Performance Inception Date Mar. 06, 2024