To calculate the beta of a stock, you need historical price data for both the stock and the market index. This data is typically available through financial news websites, stock market apps ...

This article, though, focuses on a stock’s beta. Probably the best way to calculate beta is via a spreadsheet because of the vast amount of necessary data. Collecting historical price data for a ...

You can also calculate the volatility of an entire portfolio, but this formula is far more complex. To keep things simple, we will explain the formula assuming a two-stock portfolio. The data ...

Reviewed by Margaret James Fact checked by Vikki Velasquez Companies and investors review the weighted average cost of ...