Skip to main content

Option Greeks

The "Greeks" are measures of the sensitivity of an option's price to various factors:

  1. Delta (Δ):

    • Measures the rate of change of the option's price concerning changes in the underlying asset's price.
    • For call options, delta ranges from 0 to 1; for put options, it ranges from -1 to 0.
  2. Gamma (Γ):

    • Measures the rate of change of delta concerning changes in the underlying asset's price.
    • Indicates the curvature of the option's value relative to the underlying price.
  3. Theta (Θ):

    • Measures the sensitivity of the option's price to the passage of time, also known as time decay.
    • Options lose value as they approach expiration, and theta quantifies this effect.
  4. Vega (ν):

    • Measures the sensitivity of the option's price to changes in the volatility of the underlying asset.
    • Higher volatility increases the potential for the option to end up in-the-money, thus increasing its value.
  5. Rho (ρ):

    • Measures the sensitivity of the option's price to changes in the risk-free interest rate.
    • For call options, a rise in interest rates typically increases the option's value; for put options, it decreases the value.