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Definition of Portfolio Weight

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Portfolio Weight

The percentage of a total portfolio represented by a single specific
security. It is calculated by dividing the value of the investment in a
specific security by the value of the investment in the total portfolio.



Related Terms:

Weighted average portfolio yield

The weighted average of the yield of all the bonds in a portfolio.


Active portfolio strategy

A strategy that uses available information and forecasting techniques to seek a
better performance than a portfolio that is simply diversified broadly. Related: passive portfolio strategy


Complete portfolio

The entire portfolio, including risky and risk-free assets.


Dedicating a portfolio

Related: cash flow matching.


Dollar-weighted rate of return

Also called the internal rate of return, the interest rate that will make the
present value of the cash flows from all the subperiods in the evaluation period plus the terminal market value
of the portfolio equal to the initial market value of the portfolio.



Efficient portfolio

A portfolio that provides the greatest expected return for a given level of risk (i.e. standard
deviation), or equivalently, the lowest risk for a given expected return.
Efficient set Graph representing a set of portfolios that maximize expected return at each level of portfolio
risk.


Excess return on the market portfolio

The difference between the return on the market portfolio and the
riskless rate.


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Factor portfolio

A well-diversified portfolio constructed to have a beta of 1.0 on one factor and a beta of
zero on any other factors.


Feasible portfolio

A portfolio that an investor can construct given the assets available.


Feasible set of portfolios

The collection of all feasible portfolios.


Hedged portfolio

A portfolio consisting of the long position in the stock and the short position in the call
option, so as to be riskless and produce a return that equals the risk-free interest rate.


Index Portfolio Rebalancing Service (IPRS)

Index portfolio Rebalancing Service (IPRS) is a comprehensive investment service that can help increase potential returns while reducing volatility. Several portfolios are available, each with its own strategic balance of Index Funds. IPRS maintains your personal asset allocation by monitoring and rebalancing your portfolio semi-annually.


Leveraged portfolio

A portfolio that includes risky assets purchased with funds borrowed.


Leveraged portfolio

A portfolio that includes risky assets purchased with funds borrowed.


Market portfolio

A portfolio consisting of all assets available to investors, with each asset held -in
proportion to its market value relative to the total market value of all assets.


market portfolio

portfolio of all assets in the economy. In practice a broad stock market index, such as the Standard & Poor's Composite, is used to represent the market.


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Market Portfolio

The total of all investment opportunities available to the investor.


Market value-weighted index

An index of a group of securities computed by calculating a weighted average
of the returns on each security in the index, with the weights proportional to outstanding market value.



Markowitz efficient portfolio

Also called a mean-variance efficient portfolio, a portfolio that has the highest
expected return at a given level of risk.


Markowitz efficient set of portfolios

The collection of all efficient portfolios, graphically referred to as the
Markowitz efficient frontier.


Mean-variance efficient portfolio

Related: Markowitz efficient portfolio


Minimum-variance portfolio

The portfolio of risky assets with lowest variance.
Minority interest An outside ownership interest in a subsidiary that is consolidated with the parent for
financial reporting purposes.


Modern portfolio theory

Principles underlying the analysis and evaluation of rational portfolio choices
based on risk-return trade-offs and efficient diversification.


Normal portfolio

A customized benchmark that includes all the securities from which a manager normally
chooses, weighted as the manager would weight them in a portfolio.


Optimal portfolio

An efficient portfolio most preferred by an investor because its risk/reward characteristics
approximate the investor's utility function. A portfolio that maximizes an investor's preferences with respect
to return and risk.


Passive portfolio

A market index portfolio.


Passive portfolio strategy

A strategy that involves minimal expectational input, and instead relies on
diversification to match the performance of some market index. A passive strategy assumes that the
marketplace will reflect all available information in the price paid for securities, and therefore, does not
attempt to find mispriced securities. Related: active portfolio strategy


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Portfolio

A collection of investments, real and/or financial.



Portfolio

A collection of securities and investments held by an investor


Portfolio Diversification

See diversification


Portfolio insurance

A strategy using a leveraged portfolio in the underlying stock to create a synthetic put
option. The strategy's goal is to ensure that the value of the portfolio does not fall below a certain level.


Portfolio internal rate of return

The rate of return computed by first determining the cash flows for all the
bonds in the portfolio and then finding the interest rate that will make the present value of the cash flows
equal to the market value of the portfolio.


Portfolio management

Related: Investment management


Portfolio manager

Related: Investment manager


Portfolio opportunity set

The expected return/standard deviation pairs of all portfolios that can be
constructed from a given set of assets.


Portfolio separation theorem

An investor's choice of a risky investment portfolio is separate from his
attitude towards risk. Related:Fisher's separation theorem.


Portfolio turnover rate

For an investment company, an annualized rate found by dividing the lesser of
purchases and sales by the average of portfolio assets.


Portfolio variance

weighted sum of the covariance and variances of the assets in a portfolio.


Replicating portfolio

A portfolio constructed to match an index or benchmark.


Structured portfolio strategy

A strategy in which a portfolio is designed to achieve the performance of some
predetermined liabilities that must be paid out in the future.


Tilted portfolio

An indexing strategy that is linked to active management through the emphasis of a
particular industry sector, selected performance factors such as earnings momentum, dividend yield, priceearnings
ratio, or selected economic factors such as interest rates and inflation.


Time-weighted rate of return

Related: Geometric mean return.


WEIGHTED AVERAGE

An inventory valuation method that calculates a weighted average cost per unit for all the goods available for sale.
Multiplying that figure by the total units in ending inventory gives you the inventory’s value.


Weighted average

A method of accounting for inventory.


Weighted average cost of capital

Expected return on a portfolio of all the firm's securities. Used as a hurdle
rate for capital investment.


Weighted average cost of capital

See cost of capital.


weighted-average cost of capital

weighted means that the proportions of
debt capital and equity capital of a business are used to calculate its
average cost of capital. This key benchmark rate depends on the interest
rate(s) on its debt and the ROE goal established by a business. This is a
return-on-capital rate and can be applied either on a before-tax basis or
an after-tax basis. A business should earn at least its weighted-average
rate on the capital invested in its assets. The weighted-average cost-ofcapital
rate is used as the discount rate to calculate the present value
(PV) of specific investments.


weighted average cost of capital

a composite of the cost of the various sources of funds that comprise a firm’s capital structure; the minimum rate of return that must be earned on new investments so as not to dilute shareholder value


Weighted Average Cost of Capital (WACC)

The weighted average of the costs of the capital components
(debt, preferred stock, and common stock)


weighted-average cost of capital (WACC)

Expected rate of return on a portfolio of all the firm’s securities, adjusted for tax savings due to interest payments.


Weighted Average Cost of Capital (WACC)

A weighted average of the component costs of debt, preferred shares, and common equity. Also called the composite cost of capital.


Weighted average coupon

The weighted average of the gross interest rate of the mortgages underlying the
pool as of the pool issue date, with the balance of each mortgage used as the weighting factor.


Weighted average life

See:Average life.


Weighted average maturity

The WAM of a MBS is the weighted average of the remaining terms to maturity
of the mortgages underlying the collateral pool at the date of issue, using as the weighting factor the balance
of each of the mortgages as of the issue date.


weighted average method (of process costing)

the method of cost assignment that computes an average cost per
equivalent unit of production for all units completed during
the current period; it combines beginning inventory units
and costs with current production and costs, respectively,
to compute the average


Weighted average remaining maturity

The average remaining term of the mortgages underlying a MBS.


Well diversified portfolio

A portfolio spread out over many securities in such a way that the weight in any
security is small. The risk of a well-diversified portfolio closely approximates the systemic risk of the overall
market, the unsystematic risk of each security having been diversified out of the portfolio.


Zero-beta portfolio

A portfolio constructed to represent the risk-free asset, that is, having a beta of zero.


Zero-investment portfolio

A portfolio of zero net value established by buying and shorting component
securities, usually in the context of an arbitrage strategy.


asset mix

The weighting of assets in an investment portfolio among different asset classes (e.g. shares, bonds, property, cash, overseas investments.


Exante return

The expected return of a portfolio based on the expected returns of its component assets and
their weights.


Geometric mean return

Also called the time weighted rate of return, a measure of the compounded rate of
growth of the initial portfolio market value during the evaluation period, assuming that all cash distributions
are reinvested in the portfolio. It is computed by taking the geometric average of the portfolio subperiod
returns.



 

 

 

 

 

 

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