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Identifying that portfolio is not straightforward. The earliest definition comes from the capital asset pricing model which argues the maximum diversification comes from buying a pro rata share of all available assets. This is the idea underlying index funds. Diversification has no maximum so long as more assets are available. [7]
Diversification involves spreading your money across a variety of investments and asset classes. A diversified portfolio helps to reduce risk and may lead to a higher return.
Example investment portfolio with a diverse asset allocation. Asset allocation is the implementation of an investment strategy that attempts to balance risk versus reward by adjusting the percentage of each asset in an investment portfolio according to the investor's risk tolerance, goals and investment time frame. [1]
Portfolio optimization is the process of selecting an optimal portfolio (asset distribution), out of a set of considered portfolios, according to some objective.The objective typically maximizes factors such as expected return, and minimizes costs like financial risk, resulting in a multi-objective optimization problem.
“Many retirees misunderstand diversification, presuming it solely involves spreading funds across different bank accounts or varied financial products,” said Tammy Trenta, a financial planner ...
Fund managers, classically, [93] define the risk of a portfolio as its variance [11] (or standard deviation), and through diversification the portfolio is optimized so as to achieve the lowest risk for a given targeted return, or equivalently the highest return for a given level of risk; these risk-efficient portfolios form the "Efficient ...
Smart investors have long built diversified portfolios in order to protect themselves from catastrophic losses. Historically that worked well, as gains from winning investments tended to offset ...
Finance refers to monetary resources and to the study and discipline of money, currency, assets and liabilities. [a] As a subject of study, it is related to but distinct from economics, which is the study of the production, distribution, and consumption of goods and services.