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Consider a model with A(0) = 1, A(1) = 1.2, S(0) = 35 and S(1) given by S(1) = 40 with probability p s with
Consider a model with A(0) = 1, A(1) = 1.2, S(0) = 35 and S(1) given by
S(1) = 40 with probability p
s with probability q
48 with probability 1 p q
where p, q (0, 1) and s is a nonnegative number.
(a) Find s for which the model is arbitrage free?
(b) Is a put option with strike price 44 replicable if s = 20 ? If so, what is its price?
(c) Find s for which a call option with strike price 40 is replicable? For these s, find the price of the call option?
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