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A stock is currently selling for $40. The stock pays no dividends. Given that the volatility relevant for the Black-Scholes equation is 30% and the

A stock is currently selling for $40. The stock pays no dividends. Given that the volatility relevant for the Black-Scholes equation is 30% and the continuously compounded risk-free interest rate is 8%. Consider a $40-strike purchased call on the stock with time to expiration in 6 months. What are the theta, rho, and psi?[answer: = 0.0136, = 0.1024, = 0.1232 ]

Where

= V/

Call = (T t)Se(T t)N(d1) and Put = (T t)Se(T t)N(d1)

= V/r

Call = (T t)Ker(T t)N(d2)

= V/t

d1 =[ln(St/K) + (r + 0.52)(T t)]/ [(T t)]

d2= d1 (T t)

V C(S, t) = Se(T t)N(d1) Ker(T t)N(d2)

V P (S, t) = Ker(T t)N(d2) Se(T t)N(d1)

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