what is a company's BETA value
Definition of 'Beta'. Tweet. Beta is a numeric value that measures the fluctuations of a stock to changes in the overall stock market. Definition: Beta is a numeric value that measures the fluctuations of a stock to changes in the overall stock market.Description: Beta measures the responsiveness of a stock's price to changes in the overall stock market. On comparison of the benchmark index for e.g.efinition of 'Beta'. Tweet. Beta is a numeric value that measures the fluctuations of a stock to changes in the overall stock market. Definition: Beta is a numeric value that measures the fluctuations of a stock to changes in the overall stock market.