Black-Scholes Calculator

The Black-Scholes model prices European call and put options based on five inputs: spot price, strike price, time to expiry, risk-free rate, and volatility. Drag the sliders below to see how each parameter affects option prices and Greeks in real time.

Parameters

$100
$100
1.00 yr
5.0%
20%

Call Price

$11.91

Put Price

$7.03

Option Price vs. Underlying

Greeks

GreekCallPut
Delta0.6701-0.3299
Gamma0.01880.0188
Theta-0.0178-0.0048
Vega0.37520.3752
Rho0.5510-0.4002