Diese Unabhängigkeit ermöglicht uns einen objektiven Blick auf Ihr Anliegen. By definition, the value-weighted average of all market-betas of all investable assets with respect to the value-weighted market index is 1. In Ancient Greek, beta represented the voiced bilabial plosive /b/. Investopedia requires writers to use primary sources to support their work. In finance, the beta (β or market beta or beta coefficient) is a measure of how an individual asset moves (on average) when the overall stock market increases or decreases. Im Rahmen einer Umschuldung lösen Sie den alten Kredit durch einen neuen Kredit ab. Sprechen Sie nach der ersten Kalkulation gerne unser beta-Team an. Wir beraten Sie gerne über den Nutzen vorhandener Versicherungen, informieren Sie über notwendige Anpassungen und liefern maßgeschneiderte Konzepte für Ihre individuellen Ansprüche. Beta is a measure of the volatility — or systematic risk — of a security or portfolio compared to the market as a whole. AAPL has a standard deviation of returns of 23.42% and SPY has a standard deviation of returns of 32.21%. r ﻿Beta=CovarianceVariancewhere:Covariance=Measure of a stock’s return relativeto that of the marketVariance=Measure of how the market moves relativeto its mean\begin{aligned} &\text{Beta} = \frac{ \text{Covariance} }{ \text{Variance} } \\ &\textbf{where:} \\ &\text{Covariance} = \text{Measure of a stock's return relative} \\ &\text{to that of the market} \\ &\text{Variance} = \text{Measure of how the market moves relative} \\ &\text{to its mean} \\ \end{aligned}​Beta=VarianceCovariance​where:Covariance=Measure of a stock’s return relativeto that of the marketVariance=Measure of how the market moves relativeto its mean​﻿. , und vereinbaren Ihren persönlichen Termin. One way for a stock investor to think about risk is to split it into two categories. Beta is used in finance as a measure of investment portfolio risk. Die KfW unterstützt zahlreiche Projekte mit günstigen Krediten und Zuschüssen. a The y-intercept is often referred to as the alpha. However, on average, the best forecast of the realized market-beta is also the best forecast of the true market-beta. An investor is looking to calculate the beta of Apple (AAPL) as compared to the SPDR S&P 500 ETF Trust (SPY). b ) m Beta is useful in determining a security's short-term risk, and for analyzing volatility to arrive at equity costs when using the CAPM. Oder ein Haus über die Jahre instandhalten? As such, beta is a useful measure of the contribution of an individual asset to the risk of the market portfolio when it is added in small quantity. For example, the two roots of a quadratic equation are typically labelled α and β. werden Sie nicht nur individuell zu Themen wie Baufinanzierung, Bausparen, Ratenkredit und Vermögensaufbau beraten. Relatórios de Valuation Os relatórios mais completos do mercado, para você conhecer de verdade onde está investindo e ajudar você a fazer o seu próprio Valuation. For example, if the stock market went up by 20% in a given year, and a manager had a portfolio with a market-beta of 2.0, this portfolio should have returned 40% in the absence of specific stock picking skills. , In typesetting technical literature, it is a commonly made mistake to use the German letter ß (a s–z or s–s ligature) as a replacement for β.