# Martingale

*Quant & Pricing — Finicade finance glossary*

A process whose best guess for tomorrow is exactly today's value — no drift, a mathematically 'fair game'. Under risk-neutral pricing, discounted asset prices are martingales, which is the deep reason the method works.

**Related terms:** [Risk-Neutral Pricing](https://finicade.com/glossary/risk-neutral-pricing), [Brownian Motion](https://finicade.com/glossary/brownian-motion), [Stochastic Process](https://finicade.com/glossary/stochastic-process)

**Taught in:** Quant Quest — Stochastic Calculus I

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