How much money would you make if you invested $100 a month?

If you had made monthly contributions over that time, you'd have made much more money. Over the past 20 years, the index has gained a total average annual return of around 10%. If you initially invested $10,000 and added $100 per month, you'd have $136,000 today. For those who did the math, yes, you added $24,000 over those 20 years.

What is S&P 500 dividends reinvested index return?

S&P 500 Dividends Reinvested Index Return - The total price return of the S&P 500 if you had reinvested all of your dividends. S&P 500 Dividends Reinvested Index Annualized Return - The total price return of the S&P 500 if you reinvested dividends. Again, it will annualize the return given above. Inflation Adjusted (CPI)?

Is the S&P 500 a good investment?

Since 1926, the average annual total return for the S&P 500, an unmanaged index of large U.S. stocks, has been about 10%. Investments that offer the potential for higher rates of return also come with a higher degree of risk. Hypothetical rates of return are for illustrative purposes only and are not intended to portray actual results.