This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

If the S&P 500 remains exactly where it’s trading the last 6 weeks of the year, then the arithmetic average of the last two years’ return for the main benchmark is +26.6%. If we average 2022 through ...

Since January 1, 2000, through September 30 ’23, the S&P 500 has returned 6.61%, which is below average, if we looked at arithmetic returns for the S&P 500 since 1970. What should give readers pause ...