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A security has an expected rate of return of 0.10 and a beta of 1.1. The market expected rate of return is 0.08 and the risk-free rate is 0.05. The alpha of the stock is

A.

8.3%.

B.

1.7%

C.

-1.7%.

D.

-5.5%.

undefined.

5.5%

Trả lời:

Đáp án đúng: B


Alpha được tính bằng công thức: Alpha = Expected Return - (Risk-Free Rate + Beta * (Market Return - Risk-Free Rate)). Trong trường hợp này: Alpha = 0.10 - [0.05 + 1.1 * (0.08 - 0.05)] = 0.10 - [0.05 + 1.1 * 0.03] = 0.10 - [0.05 + 0.033] = 0.10 - 0.083 = 0.017 hay 1.7%.

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