Ans : As per CAPM
Expected Return = Risk Free Rate + Beta * (Market Return - Risk
Free Rate)
a) Computation of Expected return on Market and risk free
rate
Step 1 : Create Equation for Security 1 and Security 2
Security 1
Expected Return = Risk Free Rate + Beta * (Market Return - Risk
Free Rate)
0.20 = Risk Free Rate + 1.3 (Market Return - Risk Free Rate)
0.20 = Risk Free Rate + 1.3Market Return - 1.3 Risk Free Rate
0.20 = 1.3 Market Return - 0.3 Risk Free Rate ------
Equation (1)
Security 2
Expected Return = Risk Free Rate + Beta * (Market Return - Risk
Free Rate)
0.14 = Risk Free Rate + 0.8 (Market Return - Risk Free Rate)
0.14 = Risk Free Rate + 0.8Market Return - 0.8 Risk Free Rate
0.14 = 0.8Market Return + 0.2 Risk Free Rate
--------Equation (2)
Multiply both the equations 1 by 2 and equation 2 by 3 because then Risk Free Rate in both the equations will become equal.
Equation 1 = 2 * (0.20 = 1.3 Market Return - 0.3 Risk Free Rate
)
Equation 2 = 3 * (0.14 = 0.8Market Return + 0.2 Risk Free Rate
)
Step 2 : Solve the Equation and find the
market Return
Solving Equation 1 and Equation 2
0.40 = 2.6 Market Return - 0.6 Risk Free Rate --Eq (1)
0.42 = 2.4 Market Return + 0.6 Risk Free Rate --Eq (2)
+ + +
-------------------------------------------------------------
0.82 = 5 Market Return + 0
Market Return = 0.82/5 = 0.164 = 16.4%
Step 3 : Substitue the Market return in Equation 1 and find risk
free rate
0.20 = 1.3 Market Return - 0.3 Risk Free Rate ------
Equation (1)
Subsituting the market return = 16.4% in equation 1 we
get,
0.20 = 1.3 (0.164) - 0.3Risk Free Rate
0.3 Risk Free Rate = 0.2132 - 0.20
0.3 Risk Free Rate = 0.0132
Risk free Rate = 0.0132 / 0.3
Risk Free Rate = 0.044 = 4.4%
Ans : Market Return = 16.4%
Risk Free Rate = 4.4%
b) Decision on Security 3 according to CAPM
Lets compute Expected return as per CAPM for Security
3
Expected Return = Risk Free Rate + Beta * (Market Return - Risk
Free Rate)
= 4.4% + 1.2 (16.4% - 4.4%)
= 4.4% + 14.4%
Expected Return = 18.8%
Ans : The Expected Return as per CAPM i.e. 18.8% on
security 3 is greater then the expected return estimated i.e.18%.
This means that the stock is currently overvalued in the market
because it is offering less then the required given its systematic
risk. Thus it is not recommended to buy security 3 according to
CAPM.
CAPM Question Problem 1 (15pts). Given the following data: Security Beta Expected Return 1.3 20% 0.8...
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