# Lognormal Distribution

*Math & Statistics — Finicade finance glossary*

The distribution you get when the logarithm of a quantity is normal — skewed, never negative, with a long right tail. It's the standard model for stock prices, since prices can't fall below zero.

**Also known as:** lognormal distribution

**Related terms:** [Normal Distribution](https://finicade.com/glossary/normal-distribution), [Geometric Brownian Motion](https://finicade.com/glossary/gbm-model), [Black–Scholes Model](https://finicade.com/glossary/black-scholes)

**Taught in:** Math Masters — The Normal & Lognormal Distributions

Source: https://finicade.com/glossary/lognormal
