As of my knowledge cutoff on September 2021, the S&P 500 index had performed as follows:
- 1-year return: around +31%
- 3-year return: around +53%
- 5-year return: around +99%
- 10-year return: around +237%
- 20-year return: around +356%
- 30-year return: around +946%
Please note that these returns are historical and may not necessarily be indicative of future performance. Additionally, the actual returns may have changed since my knowledge cutoff date, so it's important to check current market data for the latest information.
