Given the following returns for Stock X and stock Y Stock X % return Stock Y % return 2 1 4 3 6 5 8 6 12 9 Calculate the variance, and standard deviation of each stock return, assume the above is a sample (i.e. divide by n-1 instead of n). Interpret the results for x only. Calculate the covariance, and correlation coefficient between both stocks Assume a portfolio made of both stocks (60% in stock X and 40% in stock Y) calculate the expected return and standard deviation of the portfolio.
Risk and return
Before understanding the concept of Risk and Return in Financial Management, understanding the two-concept Risk and return individually is necessary.
Capital Asset Pricing Model
Capital asset pricing model, also known as CAPM, shows the relationship between the expected return of the investment and the market at risk. This concept is basically used particularly in the case of stocks or shares. It is also used across finance for pricing assets that have higher risk identity and for evaluating the expected returns for the assets given the risk of those assets and also the cost of capital.
Given the following returns for Stock X and stock Y
|
Stock X % return |
Stock Y % return |
|
|
2 |
1 |
|
|
4 |
3 |
|
|
6 |
5 |
|
|
8 |
6 |
|
|
12 |
9 |
- Calculate the variance, and standard deviation of each stock return, assume the above is a sample (i.e. divide by n-1 instead of n). Interpret the results for x only.
- Calculate the covariance, and correlation coefficient between both stocks
- Assume a portfolio made of both stocks (60% in stock X and 40% in stock Y) calculate the expected return and standard deviation of the portfolio.
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