A 9 month
American option (underlying) is known to pay dividend of USD 1 and USD 0.75
at the end of the 3rd and the 07th
month respectively. The strike price
considered is USD 45
. The Risk Free Rate
is continuously compounded and is fixed at 6%
over the tenure. The stock
is currently trading at 42
. The put
options are trading at USD 7.5
and the call
options at USD 4.0
. What would be the optimum time to exercise the call and put option based on the information given above?
The answers for the above questions are :-
a) The American call option should be bought and exercised at the second dividend.
b) The American Put option should be bought, but should not be exercised before the first dividend payoff.
How to arrive at this solution?