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  2. Beta (finance) - Wikipedia

    en.wikipedia.org/wiki/Beta_(finance)

    Beta is the hedge ratio of an investment with respect to the stock market. For example, to hedge out the market-risk of a stock with a market beta of 2.0, an investor would short $2,000 in the stock market for every $1,000 invested in the stock. Thus insured, movements of the overall stock market no longer influence the combined position on ...

  3. What Beta Means: Understanding a Stock’s Risk - AOL

    www.aol.com/finance/beta-means-understanding...

    The average investor may not be familiar with what beta means, but they are no doubt fully aware of what it represents. Although there are different types of risk in the market, a stock's beta...

  4. How to use beta to evaluate a stock’s risk - AOL

    www.aol.com/finance/beta-evaluate-stock-risk...

    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 ...

  5. Alpha vs. beta in investing: What’s the difference? - AOL

    www.aol.com/finance/alpha-vs-beta-investing...

    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 ...

  6. Capital asset pricing model - Wikipedia

    en.wikipedia.org/wiki/Capital_asset_pricing_model

    Since beta reflects asset-specific sensitivity to non-diversifiable, i.e. market risk, the market as a whole, by definition, has a beta of one. Stock market indices are frequently used as local proxies for the market—and in that case (by definition) have a beta of one.

  7. Stock valuation - Wikipedia

    en.wikipedia.org/wiki/Stock_valuation

    Stock valuation is the method of calculating theoretical values of companies and their stocks.The main use of these methods is to predict future market prices, or more generally, potential market prices, and thus to profit from price movement – stocks that are judged undervalued (with respect to their theoretical value) are bought, while stocks that are judged overvalued are sold, in the ...

  8. What Is Beta? Everything You Need to Know About ... - AOL

    www.aol.com/news/beta-everything-know-measuring...

    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 ...

  9. Single-index model - Wikipedia

    en.wikipedia.org/wiki/Single-index_model

    The term () represents the movement of the market modified by the stock's beta, while represents the unsystematic risk of the security due to firm-specific factors. Macroeconomic events, such as changes in interest rates or the cost of labor, causes the systematic risk that affects the returns of all stocks, and the firm-specific events are the ...