Greeks Calculator
Black-Scholes-Merton. Compute price and sensitivities for a single contract.
What each Greek means
- Delta — change in option price per $1 change in underlying. Hedge ratio.
- Gamma — rate of change of delta. Measures convexity.
- Theta — dollar decay per calendar day. Highest near ATM, near expiry.
- Vega — sensitivity to a 1% change in implied volatility.
- Rho — sensitivity to a 1% change in the risk-free rate. Usually smallest.