What Is the Standard Deviation of a Portfolio of Two

question 1

Multiple Choice

What is the standard deviation of a portfolio of two shares given the following data?
Share A has a standard deviation of 18%. Share B has a standard deviation of 14%. The portfolio contains 40% of Share A and the correlation coefficient between the two shares is -.23.

• A)9.7%
• B)12.2%
• C)14.0%
• D)15.6%

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Definitions:

Beta Coefficient

An indicator of how much a stock's price fluctuates compared to the entire market.

Volatility

Denotes the degree of variation of a trading price series over time, usually measured by the standard deviation of logarithmic returns, indicating the stability or instability of markets.

Systematic Risk

The inherent risk associated with the entire market or market segment, also known as market risk, which cannot be diversified away.

Market Risk

The risk of losses in investments caused by factors affecting the overall performance of the financial markets, also known as systematic risk.