Assume that a $75 strike call has a 1.0% continuous dividend, 90 days until expiration and stock price of $72.00. What is the rho of the option as the interest rate changes from 6.0% to 5.0%? Assume sigma=0.27
A) 0.07 B) 0.12 C) 0.16 D) 0.20
Want to know the steps with formulas please.
The ans is A.
Where,
S0 = underlying price ($$$ per share)
X = strike price ($$$ per share)
? = volatility (% p.a.)
r = continuously compounded risk-free interest rate (% p.a.)
q = continuously compounded dividend yield (% p.a.)
t = time to expiration (% of year)
d1 = {-0.0408 + 0.2466 x ( 5% - 1% + [0.2722])} 0.27 x 0.4966 = - 0.0219 0.1341 = - 0.1633
d2 = - 0.1633 - 0.1341 = - 0.2974
N(d2) is area to the left of Z value in the cumulative Z table. Since, only positive values are given, to find N(- 0.29) we find area to the left of 0.29 and subtract it from 1. [1 - 0.6141 = 0.3859]
N(d2) = 0.3859
Rho = (75 x 0.2466 x 0.9877 x 0.3859) 100 = 0.070
Option A is correct.
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