You may have heard how Warren Buffet had won a 1 million by betting in an S&P 500 index fund against a portfolio of hand-picked hedge funds.
If you haven’t, here is the summary in one line: Warren Buffett waged a bet that an S&P index fund could beat a hand picked portfolio of hedge funds over a period of ten years. He won the bet.
The bet started on 1 Jan 2008 and ended on 31 Dec 2017.
At the end of the ten-year bet, the S&P 500 index fund returned 125.8% while the hedge funds returned an average of 36.3%.