A retired couple’s assets consist of a $100,000 house, a $400,000 securities portfolio, a
$15,000 car, and personal effects. Would they be more concerned with the Sharpe
performance measure or the Treynor performance measure for the portfolio?
Use the Black-Scholes model to calculate the theoretical value of a DBA December 45
call option. Assume that the risk free rate of return is 6 percent, the stock has a variance
of 36 percent, there are 91 days until expiration of the contract, and DBA stock is
currently selling at $50 in the market.