beta
1. A measure of the degree to which the *returns on a *security track the rest of a market. A beta coefficient is a measurement of the volatility of a * security’s *systematic risk, which under *portfolio theory cannot be reduced through *diversification. A beta of one suggests that a security’s returns follow the movements of the rest of the market, and that it therefore has an average risk. A beta of more than one indicates that a security moves in the same direction as a market, but to a greater degree. A beta of less than one denotes that a security moves in the same direction as a market, but is less responsive than the market as a whole. A negative beta indicates that a security’s returns follow a market inversely. 2. The second letter of the Greek alphabet, used extensively in statistics and financial economics.

Auditor's dictionary. 2014.

Look at other dictionaries:

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  • Béta — Bêta  Pour l’article homophone, voir Beta. Pour les articles homonymes, voir Bêta (homonymie). Bêta …   Wikipédia en Français

  • BETA — Класс языка: объектно ориентированное программирование Появился в: 1992 Автор(ы): Кристен Нюгорд, Ole Lehrmann Madsen, Birger Møller Pedersen и Bent Bruun Kristensen Типизация данных: строгая, статическая Основны …   Википедия

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  • beta — |ê| s. f. 1. Mancha comprida ou faixa de cor diferente nas penas ou pelo do animal. = LISTA, LISTRA 2. Qualquer mancha comprida. 3. Mancha na pele. 4. Filão, veio. 5.  [Marinha] Corda ou cabo. 6.  [Marinha] Talha na extremidade dos guardins. 7. … …   Dicionário da Língua Portuguesa

  • Beta — Be ta, n. [Gr. bh^ta.] The second letter of the Greek alphabet, B, [beta]. See {B}, and cf. etymology of {Alphabet}. Note: Beta (B, [beta]) is used variously for classifying, as: (a) (Astron.) To designate some bright star, usually the second… …   The Collaborative International Dictionary of English

  • bêta- — ❖ ♦ Élément (écrit aussi β ) utilisé en chimie organique pour caractériser le deuxième d une série d isomères, indiquer la présence dans un composé d un atome de carbone séparant deux fonctions, préciser la structure stéréochimique des sucres,… …   Encyclopédie Universelle

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