Inspired by an awesome Video and Research by @jamesbrooks and
@mwlang ($204,279.83 in one year investing in the top 10 Cryptocurrencies!), cryptoBrad made a google spreadsheet for doing back testing on your own.
Sources:
how to --> https://thebitcoin.pub/t/hodl-back-tester-google-spreadsheet/4189
spreadsheet --> https://docs.google.com/spreadsheets/d/1Fc-WJq1rD7tCG75hRlFJUr39iPILsmAy9w5GUimnmTY/edit?usp=sharing