If the variance of a series of monthly returns is 0.18, what is the annual standard deviation of this series of returns? Round your answer to three decimal places. Assume that you have a series of 12 raw monthly returns in excess of the risk-free rate. The mean monthly return that you calculate is -0.021. The monthly standard deviation of this return series is 0.348. The beta of this return series is 6. 

What is the monthly Sharpe ratio of this return series? Round your answer to three decimal places.

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To calculate the annual standard deviation of the series of returns we can use the fact that th... View the full answer