Capital Budgeting & Portfolio ManagementMCQQuestion 5764 of 6
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β=Cov(Ri,Rm)σm2\beta = \frac{Cov(R_i, R_m)}{\sigma^2_m} represents which concept in portfolio management?

Options

ASystematic risk
BUnsystematic risk
CBeta of a security
DExpected return of a portfolio
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Correct Answer

Option CBeta of a security

All Options:

  • ASystematic risk
  • BUnsystematic risk
  • CBeta of a security
  • DExpected return of a portfolio

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Detailed Solution & Explanation

The given formula β=Cov(Ri,Rm)σm2\beta = \frac{Cov(R_i, R_m)}{\sigma^2_m} represents the beta of a security. Beta is a measure of the systematic risk or sensitivity of a security to market movements. It is calculated as the covariance between the returns of the security and the market, divided by the variance of the market returns. A beta of 1 indicates that the security's returns move in line with the market, while a beta greater than 1 indicates higher volatility and a beta less than 1 indicates lower volatility.
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