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  2. 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. If one buys a single stock in the S&P 500, one is exposed ...

  3. 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 ...

  4. Systematic risk - Wikipedia

    en.wikipedia.org/wiki/Systematic_risk

    Systematic risk plays an important role in portfolio allocation. [3] Risk which cannot be eliminated through diversification commands returns in excess of the risk-free rate (while idiosyncratic risk does not command such returns since it can be diversified). Over the long run, a well-diversified portfolio provides returns which correspond with ...

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

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

    Systematic risk is driven by external factors, while unsystematic … Continue reading → The post Systematic Risk vs. Unsystematic Risk appeared first on SmartAsset Blog. Systematic Risk vs ...

  6. Capital asset pricing model - Wikipedia

    en.wikipedia.org/wiki/Capital_asset_pricing_model

    A rational investor should not take on any diversifiable risk, as only non-diversifiable risks are rewarded within the scope of this model. Therefore, the required return on an asset, that is, the return that compensates for risk taken, must be linked to its riskiness in a portfolio context—i.e. its contribution to overall portfolio riskiness ...

  7. ETFs vs. index funds: Key similarities and differences - AOL

    www.aol.com/finance/etfs-vs-index-funds-key...

    This makes broadly diversified index funds and ETFs solid long-term investments. ETFs vs. index funds: How they are different ETFs and index funds present a few differences that investors need to ...

  8. Beta (finance) - Wikipedia

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

    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 quantity. It refers to an asset's non-diversifiable risk, systematic risk, or market risk. Beta is not a measure of idiosyncratic risk. Beta is the hedge ratio of an investment with respect to the stock market.

  9. Security market line - Wikipedia

    en.wikipedia.org/wiki/Security_market_line

    It displays the expected rate of return of an individual security as a function of systematic, non-diversifiable risk. The risk of an individual risky security reflects the volatility of the return from the security rather than the return of the market portfolio. The risk in these individual risky securities reflects the systematic risk. [1]