How to Calculate Beta using Covariance and Variance

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91.7 هزار بار بازدید - 6 سال پیش - This video shows how to
This video shows how to calculate the beta of a stock using the covariance of the stock with the market index.  

Beta is equal to:  
(1) the covariance of a company's stock returns with the returns of the market index (e.g., the returns of the S&P 500)
divided by
(2) the variance of the returns of the market index.  

Covariance / variance = beta

For example, if we are examining monthly stock returns for a company called Fluffy Love and the S&P 500 for the past five years, and we find that the covariance between the returns of Fluffy Love and the returns of the S&P 500 is 0.8, while the variance of the returns of the S&P 500 is 0.4, this means that Fluffy Love has a beta of 2.—
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6 سال پیش در تاریخ 1397/06/04 منتشر شده است.
91,723 بـار بازدید شده
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