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  2. What is idiosyncratic risk? - AOL

    www.aol.com/finance/idiosyncratic-risk-191130659...

    Idiosyncratic risk is sometimes referred to as “unsystematic risk” because it affects a subset of stocks rather than most or all stocks. Investors broadly face two types of risks: systematic ...

  3. Systematic risk - Wikipedia

    en.wikipedia.org/wiki/Systematic_risk

    Due to the idiosyncratic nature of unsystematic risk, it can be reduced or eliminated through diversification; but since all market actors are vulnerable to systematic risk, it cannot be limited through diversification (but it may be insurable). As a result, assets whose returns are negatively correlated with broader market returns command ...

  4. Capital asset pricing model - Wikipedia

    en.wikipedia.org/wiki/Capital_asset_pricing_model

    The risk of a portfolio comprises systematic risk, also known as undiversifiable risk, and unsystematic risk which is also known as idiosyncratic risk or diversifiable risk. Systematic risk refers to the risk common to all securities—i.e. market risk. Unsystematic risk is the risk associated with individual assets.

  5. Modern portfolio theory - Wikipedia

    en.wikipedia.org/wiki/Modern_portfolio_theory

    Specific risk is also called diversifiable, unique, unsystematic, or idiosyncratic risk. Systematic risk (a.k.a. portfolio risk or market risk) refers to the risk common to all securities—except for selling short as noted below, systematic risk cannot be diversified away (within one market). Within the market portfolio, asset specific risk ...

  6. Systematic Risk vs. Unsystematic Risk: How to Invest for Risk

    www.aol.com/finance/systematic-risk-vs...

    Systematic Risk vs. Unsystematic Risk: Key Differences systematic risk vs unsystematic risk You might hold the view that when it comes to investing and the markets that all risk is the same.

  7. Specific risk - Wikipedia

    en.wikipedia.org/wiki/Specific_risk

    In finance, a specific risk is a risk that affects a very small number of assets. This is sometimes referred to as " unsystematic risk ". In a balanced portfolio of assets there would be a spread between general market risk and risks specific to individual components of that portfolio.

  8. Diversification (finance) - Wikipedia

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

    Synonyms for diversifiable risk are idiosyncratic risk, unsystematic risk, and security-specific risk. Synonyms for non-diversifiable risk are systematic risk , beta risk and market risk . If one buys all the stocks in the S&P 500 one is obviously exposed only to movements in that index .

  9. Beta (finance) - Wikipedia

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

    Beta is not a measure of idiosyncratic risk. 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 ...