I recommend you download the spreadsheet, it can be really helpful in doing the 'null' hypothesis in financial analysis. I always like to compare my choices in

I recommend you download the spreadsheet, it can be really helpful in doing the 'null' hypothesis in financial analysis. I always like to compare my choices in investments versus the 'stick it into SPX500 ETFs' as the alternative. To do that you need to collect all this data, which is doable, but hey here they have it all in a nice package.