Over the 20-year period ending in 2015, the average investor did not beat inflation https://www.blackrock.com/investing/financial-professionals/advisor-center/conversation-starters/investing-and-emotions https://assets.blackrock.com/blk-one-assets/cache-1458671280000/images/media-bin/web/one/us/charts/content-charts/cs-investing-and-emotions-chart-2.jpg