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Definitions

beta

[bey-tuh, bee-] / ˈbeɪ tə, ˈbi- /


Example Sentences

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Serko did a closed beta launch of the product in the U.S. in May, and a broader U.S. open beta is on track for 3Q27.

From The Wall Street Journal Sep. 8, 2026

The free AI program starts beta testing in September.

From The Wall Street Journal Aug. 28, 2026

Actresses Rachel Sennott and Kristen Bell are among the celebrities who have spoken publicly about taking beta blockers, along with the influencer Khloé Kardashian.

From BBC Aug. 18, 2026

The table below shows the 10 largest companies in the S&P 500 whose shares are trading with negative beta to the index, according to data provided by Evercore.

From MarketWatch Aug. 17, 2026

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

From "When Dimple Met Rishi" by Sandhya Menon

Any beta higher than 1 means a stock is more volatile than the S&P 500, while betas of less than 1 are less wild.

From Barron's Dec. 1, 2025

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

If you’re on the developer betas for macOS or iOS, you can start using passkeys now where available.

From The Verge Aug. 5, 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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