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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. 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 relation ...

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

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

    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 ...

  5. 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 ...

  6. Greeks (finance) - Wikipedia

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

    The beta (β) of a stock or portfolio is a number describing the volatility of an asset in relation to the volatility of the benchmark that said asset is being compared to. This benchmark is generally the overall financial market and is often estimated via the use of representative indices , such as the S&P 500 .

  7. Single-index model - Wikipedia

    en.wikipedia.org/wiki/Single-index_model

    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 ...

  8. Portfolio Beta vs. Stock Beta: What's the Difference?

    www.aol.com/finance/calculate-beta-portfolio...

    Investors, whether beginner or seasoned professionals, all have a threshold for risk. Some prefer to play it safe and favor a low-risk investment plan while others are more advantageous with a ...

  9. Jensen's alpha - Wikipedia

    en.wikipedia.org/wiki/Jensen's_alpha

    The security could be any asset, such as stocks, bonds, or derivatives. The theoretical return is predicted by a market model, most commonly the capital asset pricing model (CAPM). The market model uses statistical methods to predict the appropriate risk-adjusted return of an asset. The CAPM for instance uses beta as a multiplier.

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