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Definitions

beta

[bay-tuh, bee-] / ˈbeɪ tə, ˈbi- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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So in theory, stocks with negative beta should help to offset losses when the stocks helping to push the index higher stop working.

From MarketWatch ● Oct. 7, 2026

A stock with negative beta routinely trades opposite the broader market.

From MarketWatch ● Oct. 6, 2026

Plaques are abnormal deposits of a protein called amyloid beta that accumulate between brain cells, while tangles are twisted forms of the tau protein that develop inside neurons.

From Science Daily ● Sep. 27, 2026

With every merger there’s a dominant and a submissive, an alpha and a beta, a winner and a loser.

From The Wall Street Journal ● Sep. 15, 2026

“You are still our daughter, and after yesterday...oh, my beta, if anything would have happened...”

From "Love, Hate & Other Filters" by Samira Ahmed

The screen includes stocks with betas that range from just as 0.01% to -1.68%.

From Barron's ● Jun. 24, 2026

Consider the performance of a hypothetical portfolio that buys the 10% of stocks with the highest betas and sells short the decile of stocks with the lowest betas.

From MarketWatch ● Oct. 23, 2025

“We’re betas pretending to be alphas,” Denton said.

From New York Times ● Nov. 3, 2022

But Apple’s also made an under-the-radar change to some of the iPhone’s sounds, which some of us hear at The Verge noticed while using the betas.

From The Verge ● Aug. 24, 2022

Greek letters move across the undersides of his eyelids: isosceles triangles, betas, sine curves.

From "All the Light We Cannot See" by Anthony Doerr


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