Black-Scholes Explained Simply — With Python Code
The Black-Scholes model is the foundation of modern option pricing. Published in 1973 by Fischer Black, Myron Scholes, and Robert Merton, it revolutionized finance by providing the first closed-form formula for European option prices. Every quant interview starts here.
This guide breaks down the model from first principles, implements it in Python, covers the Greeks, and explains where and why it fails.
The Black-Scholes Formula
Under the risk-neutral measure, a European call option price is:
