FinMath.d2 Method

d2 in Black-Scholes formula
public static double d2( 
double S
double X
double t
double s
double r 
)
This language is not supported or no code example is available.
public:  
static double d2( 
double S
double X
double t
double s
double r 
)
This language is not supported or no code example is available.
public static function d2( 
S : double
X : double
t : double
s : double
r : double 
) : double;
This language is not supported or no code example is available.

Parameters

S
double

spot price of underlying asset

X
double

option exercise (strike) price

t
double

time till exercise (fraction of year, f.ex. 0.5 for six months)

s
double

standard deviation of underlying asset (log) returns (annual, decimal, f.ex. 0.2 for 20%)

r
double

risk-free interst rate (continuous, decimal, f.ex. 0.1 for 10%)

Return Value

double

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Definition