Any research paper proving that the approach yields return higher than DCA over a period of 40+ years. 40 years used to be the norm duration from working to retirement. May be used 20+ years for TikTokers and Millennials. I prefer S&P 500 index funds/ ETFs - use either SPY or VOO or VINIX.
Note: DCA for each pay check (usually once a fortnight) over 40 years ideal for W2 (most of them not interested in stock picking).