Stock Options Calculator

Powerful, free, and easy to use

Stock Options Calculator

Calculate option prices and Greeks using the Black-Scholes model. This advanced calculator helps you understand option pricing, risk metrics, and potential outcomes.

Option Parameters

Option Type

Current Stock Price ($)

Strike Price ($)

Time to Expiry (Years)

Risk-Free Rate (%)

Volatility (%)

Dividend Yield (%)

Enter option parameters and click Calculate to see pricing and Greeks

Understanding Option Greeks

Delta (Δ)

Measures how much the option price changes with $1 change in underlying asset price.

Gamma (Γ)

Rate of change of delta. Shows how stable delta is.

Theta (Θ)

Time decay. How much value the option loses each day.

Vega (V)

Sensitivity to volatility. How much price changes with 1% volatility change.

⚠️ Important Notes

• Black-Scholes assumes constant volatility and risk-free rates
• Real market conditions may differ from model assumptions
• Options trading involves substantial risk and may not be suitable for all investors
• This is for educational purposes only, not financial advice