Stock Alpha and Stock Beta have following historical returns. Mr. Andersion invested 60% of his wealth in Stock Alpha and 40% of his wealth to stock Beta. Year Stock Alpha Stock Beta 2015 4% 7% 2016 9% 2% 2017 1% 7% 2018 -3% 3% 2019 8% -4% 1-Calculate the realized rate of return on the portfolio have been in each year from 2015 to 2019. 2-Calculate the average return on the portfolio have been during the period. 3-Calculate the Covariance of returns of stock Alpha and stock Beta and Correlation between the returns of two stocks.

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Q2. Stock Alpha and Stock Beta have following historical returns. Mr. Andersion invested 60% of his wealth in Stock Alpha and 40% of his wealth to stock Beta.

Year Stock Alpha Stock Beta
2015 4% 7%
2016 9% 2%
2017 1% 7%
2018 -3% 3%
2019 8% -4%


1-Calculate the realized rate of return on the portfolio have been in each year from 2015 to 2019.
2-Calculate the average return on the portfolio have been during the period.
3-Calculate the Covariance of returns of stock Alpha and stock Beta and Correlation between the returns of two stocks.
4-Calculate the standard deviations of returns for each stock and for the portfolio.

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