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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. 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 ...

  4. Security market line - Wikipedia

    en.wikipedia.org/wiki/Security_market_line

    β is a nondiversifiable or systematic risk R M is a market rate of return R f is a risk-free rate. When used in portfolio management, the SML represents the investment's opportunity cost (investing in a combination of the market portfolio and the risk-free asset). All the correctly priced securities are plotted on the SML.

  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. 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 ...

  8. Systemic risk - Wikipedia

    en.wikipedia.org/wiki/Systemic_risk

    Systematic risk, also called market risk or un-diversifiable risk, is a risk of a security that cannot be reduced through diversification. Participants in the market, like hedge funds , can be the source of an increase in systemic risk [ 34 ] and the transfer of risk to them may, paradoxically, increase the exposure to systemic risk.

  9. 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.