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Beta, or the beta coefficient, measures volatility relative to the market and can be used as a risk measure. By definition, the market always has a beta of 1, so betas above 1 are considered more ...
Alpha is a measure of the active return on an investment, the performance of that investment compared with a suitable market index.An alpha of 1% means the investment's return on investment over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.
Beta is a way of measuring a stock’s volatility compared with the overall market’s volatility. By definition, the market as a whole has a beta of 1, and everything else is defined in relation ...
In finance, the beta (β or market beta or beta coefficient) is a statistic that measures the expected increase or decrease of an individual stock price in proportion to movements of the stock market as a whole. Beta can be used to indicate the contribution of an individual asset to the market risk of a portfolio when it is added in small ...
Beta measures how volatile a stock is in relation to the broader stock market over time. A stock with a high beta indicates it's more volatile than the overall market and can react with dramatic ...
Stock market indices are frequently used as local proxies for the market—and in that case (by definition) have a beta of one. An investor in a large, diversified portfolio (such as a mutual fund designed to track the total market), therefore, expects performance in line with the market.
For example, if the market is making a big move 20% higher, a stock with a beta of 1.5 will tend to trade up 30%. In this way, an investor can maximize gains in a bullish market by picking up ...
These equations show that the stock return is influenced by the market (beta), has a firm specific expected value (alpha) and firm-specific unexpected component (residual). Each stock's performance is in relation to the performance of a market index (such as the All Ordinaries). Security analysts often use the SIM for such functions as ...