The premium would be 5%
If a portfolio had a return of 11 the risk-free asset return was 6, and the standard deviation of the portfolios excess returns was 25 the premium would be 5%
Portfolio return = 11%
Risk free rate = 6%
Risk premium = Portfolio return - Risk free rate
= 11% - 6% =5%
So, the premium would be 5%
Premium is an amount paid periodically to the insurer by means of the insured for overlaying his chance.
Learn more about premium here- https://economictimes.indiatimes.com/definition/premium
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