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To calculate beta, investors divide the covariance of an individual stock (say, Apple) with the overall market, often represented by the Standard & Poor’s 500 Index, by the variance of the ...
How to calculate beta. Beta is calculated by taking the covariance between the return of an asset and the return of the market and dividing it by the variance of the market. The measure is ...
In finance, the beta (β or market beta or beta coefficient) is a statistic that measures the expected increase or decrease of an individual stock price in proportion to movements of the stock market as a whole. Beta can be used to indicate the contribution of an individual asset to the market risk of a portfolio when it is
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Beta is an important measure of one type of risk, but it doesn’t encapsulate all of a stock’s risk. Stocks are shares of real-life businesses , which subjects them to the economic fortunes of ...
Yahoo Finance is a media property that is part of the Yahoo network. It provides financial news, data and commentary including stock quotes , press releases , financial reports , and original content.
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In investing, downside beta is the beta that measures a stock's association with the overall stock market only on days when the market’s return is negative. Downside beta was first proposed by Roy 1952 [ 1 ] and then popularized in an investment book by Markowitz (1959) .