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Definitions

beta

[bey-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 a beta of 1 would mean precisely the same price volatility of the index.

From MarketWatch Aug. 6, 2026

“It came to our attention that a third party collections agency made a reporting error for a small subset of customers with our original beta program,” the spokesman said.

From The Wall Street Journal Aug. 4, 2026

While the new version of Siri AI is still in public beta, essentially a testing phase before broader release, Cook said it is part of "an enormous opportunity for Apple going forward in AI."

From BBC Jul. 30, 2026

"People think of Type 2 diabetes as a disease of beta cells, but it's actually a disease of fat cells, too."

From Science Daily Jul. 26, 2026

“But you seem so unhappy, beta? Ma finished softly. “So unhappy.”

From "When Dimple Met Rishi" by Sandhya Menon

While most of those chip makers have “betas” greater than 1—meaning their daily moves in the last few years have been larger than the S&P 500’s moves—all of the stocks above have betas below 1.

From Barron's Jun. 16, 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

As with its previous betas, the dates are separated by console and whether you preordered the game or not.

From The Verge Aug. 7, 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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