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Quantitative Finance · Glosario

¿Qué es Black–Scholes model?

También llamado: Black--Scholes model

Definition 3.1 Derivatives and Volatility · Capítulo 3 — Black–Scholes Three Ways

The Black–Scholes model is a market with a bank account growing at a constant rate rr and a share that pays a continuous dividend yield qq and follows a geometric Brownian motion (One Quant Book 4, chapter 4) under the real-world measure,

dSt=μSt dt+σSt dWt,dS_t=\mu S_t\,dt+\sigma S_t\,dW_t,

with constant μ\mu and σ>0\sigma>0. Trading is continuous and frictionless, short sales are allowed, and cash can be borrowed and lent at rr.

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