申論題

2. (30%) The formula for a geometric Asian call option with six parameters (S, X,r,q, σ,T) is as follows. C(S,X,r,q,σ,T) =

 where
 and N(●) is the cumulative distribution function of the standard normal distribution defined as

 where n(●) is the probability density function of the standard normal distribution.

(c) (8%) Derive and express as C + Dd₂ and E + Fd₂, respectively. What are C, D, E, and F?