A stock had returns of 17.48 percent, −4.92 percent, 20.15 percent, and 8.45 percent for the...

Question

Question

A stock had returns of 17.48 percent, −4.92 percent, 20.15 percent, and 8.45 percent for the past four years. What is the variance of the returns?

Answer 1

Answer #1

Average return=Total return/Total time period

=(17.48-4.92+20.15+8.45)/4=10.29%

Standard deviation=[Total (Return-Average return)^2/(Time Period-1)]^(1/2)

=[383.6454/(4-1)]^(1/2)

=[383.6454/3]^(1/2)

=11.31%(Approx)

Variance=Standard deviation^2

=127.8818%

Answer 2

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