The S&P 500 Total Return Index is a version of the S&P 500 Index that includes the reinvestment of dividends. In other words, it measures the total return of the S&P 500, which includes both capital appreciation and dividends.
The S&P 500 Index, on the other hand, only measures the price return of the 500 large-cap stocks that make up the index. It does not include the reinvestment of dividends.
When comparing the performance of the stock market over time, it is important to consider the total return, which includes the impact of dividends. The S&P 500 Total Return Index is one way to measure the total return of the S&P 500.
