Beta Definition | Investopedia
Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. Beta is used in the capital asset pricing model (CAPM), a model that ...
Beta | Definition of Beta by Merriam-Webster
How It Works. A stock's beta is determined by analyzing how much its return fluctuates in relation to the overall market return. A stock with a beta of 1.0 will tend to move higher and lower in lockstep with the overall market. Stocks with a beta greater than 1.0 tend to be more volatile than the market, and those with betas below 1.0 tend to be less volatile than the underlying index.
Beta - Wikipedia
Name. Like the names of most other Greek letters, the name of the beta was adopted from the acrophonic name of the corresponding letter in Phoenician, which was the common Semitic word *bait ('house'). In Greek, the name was βῆτα bêta, pronounced in Ancient Greek. It is spelled βήτα in modern monotonic orthography and pronounced .. History
Beta (finance) - Wikipedia
In finance, the beta (β or beta coefficient) of an investment indicates whether the investment is more or less volatile than the market as a whole.. Beta is a measure of the risk arising from exposure to general market movements as opposed to idiosyncratic factors. The market portfolio of all investable assets has a beta of exactly 1. A beta below 1 can indicate either an investment with ...
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Beta -- The Motley Fool
Beta is a metric that compares a stock's movements relative to the overall market, or a certain stock index. A high-beta stock tends to be more volatile than average, while a low-beta stock tends ...
Beta | definition of beta by Medical dictionary
beta particles negatively charged particles emitted by radioactive elements, the result of disintegration of neutrons; their source is the unstable atoms of radioactive metals such as radium and uranium. There are three general types of emissions from radioactive substances: alpha and beta particles and gamma rays. Beta particles are less penetrating than gamma rays and may be used to treat ...