For a stock with price 40, you have the following portfolio of
barrier options, all expiring in 3 months: (i) An up-and-in call,
barrier 45, exercise price 40.
(ii) An up-and-in call, barrier 50, exercise price 40.
(iii) An up-and-out call, barrier 45, exercise price 40.
(iv) An down-and-in call, barrier 35, exercise price 45.
(v) An down-and-in put, barrier 35, exercise price 40.
(vi) A down deferred rebate, barrier 32, payoff 5.
During the 3 month period, the minimum stock price is 31 and the
maximum stock price is 47. The final price is 44.
Determine the total payoff at the end of 3 months.
(i) Up & In Call, Barrier 45, Exercise Price 40
Since the stock has breached the barrier of 45 it is excercisable on maturity
Payoff = (44-40) = 4
ii) Up & In Call, Barrier 50, Exercise Price 40
Since the stock has not breached the barrier it cannot be exercised
Payoff = 0
iii) An up-and-out call, barrier 45, exercise price 40
Since this is up and out call and barrier has been breached option has been knocked out
Payoff = 0
iv) An down-and-in call, barrier 35, exercise price 45.
Since stock has breached barrier it is excersiable on maturity
Payoff = Max (44-45),0
Payoff = 0 (since expired OTM)
v) An down-and-in put, barrier 35, exercise price 40.
Since stock has breached barrier it can be exercised
Payoff = Max (40-44),0
Payoff = 0 (since expired OTM)
vi) A down deferred rebate, barrier 32, payoff 5. - i dont have the subject knowledge of this kind of option
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