In: Finance
Let S=$32, K=$33, r=4%, σ=25%, δ=0, T=0.5 year, and n=2.
a.) Find u and d.
b.) Use the risk neutral probability to find the price of a European put
c.) Use the risk neutral probability to find the price of an American put.
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note: rate is taken as 4% p.a & for T= 0.5, it is 2%
as n=2 (i.e 2 period model), each period rate is 1%.
A.
As σ=25%, the up move factor (u) = 1.25
downmove factor is =0.75.
B.
C.