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Financial Glossary

Beta

A measure of a stock's volatility relative to the overall market.

What Is Beta?

Beta measures how much a stock's price moves compared to the market (S&P 500). A beta of 1.0 means the stock moves in line with the market. A beta of 1.5 means it's 50% more volatile — rising and falling more dramatically.

Formula

Beta = Covariance(Stock Returns, Market Returns) / Variance(Market Returns)

Why It Matters

High-beta stocks offer more upside in bull markets but more downside in bear markets. Conservative investors prefer low-beta stocks (0.5-0.8). Aggressive investors seek high-beta stocks (1.5+) for amplified returns.

Typical Ranges: Below 0.8 is low volatility. 0.8-1.2 is market-like. Above 1.5 is high volatility.

Real Examples from Our Database

Based on the latest data in our system. Values may change.

Related Terms

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