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Options Greeks Delta Gamma Theta Vega Explained with Python Code

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Options Greeks are sensitivity measures used in quantitative finance to assess how an option's price responds to changes in market conditions. The four primary Greeks — Delta, Gamma, Theta, and Vega — are derived as partial derivatives within the Black-Scholes pricing model for European options. Delta measures price sensitivity to the underlying asset, Gamma tracks how Delta itself changes, Theta captures daily time decay, and Vega reflects sensitivity to implied volatility shifts. A DEV Community article provides the mathematical formulas alongside production-ready Python code using NumPy and SciPy to compute all four Greeks. The code demonstrates how Greek values vary across different strike prices, showing that ATM options carry the highest Gamma and Vega exposure.

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Options Greeks Delta Gamma Theta Vega Explained with Python Code · ShortSingh