# Z-Score

*Risk & Portfolio — Finicade finance glossary*

How many standard deviations a value sits from the average. It turns any number into a comparable 'how unusual is this?' scale — the basis for confidence levels and Value at Risk.

**Related terms:** [Standard Deviation](https://finicade.com/glossary/standard-deviation), [Normal Distribution](https://finicade.com/glossary/normal-distribution), [Confidence Level](https://finicade.com/glossary/confidence-level)

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

Source: https://finicade.com/glossary/z-score