In a One-Period Binomial Model,assume That the Current Stock Price

question 22

Multiple Choice

In a one-period binomial model,assume that the current stock price is $100,and that it will rise to $110 or fall to $90 after one month.If an investment of a dollar at the risk-free rate returns $1.001668 after one month,how many 100-strike one-month call options and how many units of the stock will be needed to be combined to obtain a riskless $1 portfolio?

• A)Long 0.02 calls and long 0.01 shares.
• B)Long 0.01 calls and long 0.02 shares.
• C)Short 0.01 calls and short 0.02 shares.
• D)Short 0.02 calls and long 0.01 shares.