248
Vega: change of the option price given a change in the volatility.
Black-Scholes vega of a call with E = 100, T = 1y, r = 10% p.a. and
σ
=
20% p.a..
()
σ
ν
σ
ν
∂ ∂
=
=
∂ ∂
=
p
Put
d
N'
T
S
c
Call
:
&
1
:
Derivative securities: Options - Black-Scholes modelGreeks