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Zero-beta portfolio

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Definition of Zero-beta portfolio

Zero-beta Portfolio Image 1

Zero-beta portfolio

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



Related Terms:

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


Beta

A measure of the riskiness of a specific security compared to the
riskiness of the market as a whole; measure of the systematic risk
of a security or a portfolio of securities


Beta

The price volatility of a financial instrument relative to the price
volatility of a market or index as a whole. beta is most commonly used with
respect to equities. A high-beta instrument is riskier than a low-beta
instrument.


beta

Sensitivity of a stock’s return to the return on the market
portfolio.


Beta coefficient

A measurement of the extent to which the returns on a given stock move with stock market.



Beta equation (Mutual Funds)

The beta of a fund is determined as follows:
[(n) (sum of (xy)) ]-[ (sum of x) (sum of y)]
[(n) (sum of (xx)) ]-[ (sum of x) (sum of x)]
where: n = # of observations (36 months)
x = rate of return for the S&P 500 Index
y = rate of return for the fund


Beta equation (Stocks)

The beta of a stock is determined as follows:
[(n) (sum of (xy)) ]-[(sum of x) (sum of y)]
[(n) (sum of (xx)) ]-[(sum of x) (sum of x)]
where: n = # of observations (24-60 months)
x = rate of return for the S&P 500 Index
y = rate of return for the stock


Zero-beta Portfolio Image 2

Beta (Mutual Funds)

The measure of a fund's or stocks risk in relation to the market. A beta of 0.7 means
the fund's total return is likely to move up or down 70% of the market change; 1.3 means total return is likely
to move up or down 30% more than the market. beta is referred to as an index of the systematic risk due to
general market conditions that cannot be diversified away.


Beta risk

Risk of a firm measured from the standpoint of an investor who holds a highly diversified portfolio.


Complete portfolio

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


Country beta

Covariance of a national economy's rate of return and the rate of return the world economy
divided by the variance of the world economy.


Dedicating a portfolio

Related: cash flow matching.


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.


Expected return-beta relationship

Implication of the CAPM that security risk premiums will be
proportional to beta.


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.


Zero-beta Portfolio Image 3

Feasible portfolio

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


Feasible set of portfolios

The collection of all feasible portfolios.



Foreign market beta

A measure of foreign market risk that is derived from the capital asset pricing model.


Fundamental beta

The product of a statistical model to predict the fundamental risk of a security using not
only price data but other market-related and financial data.


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 beta

The beta of a leveraged required return; that is, the beta as adjusted for the degree of
leverage in the firm's capital structure.


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.


Market Portfolio

The total of all investment opportunities available to the investor.



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


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.


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.


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.


Unleveraged beta

The beta of an unleveraged required return (i.e. no debt) on an investment when the
investment is financed entirely by equity.


Weighted average portfolio yield

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


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-balance account

Regional bank account to which just enough funds are transferred daily to pay each day’s bills.


Zero-balance account (ZBA)

A checking account in which zero balance is maintained by transfers of funds
from a master account in an amount only large enough to cover checks presented.


zero-base budgeting

a comprehensive budgeting process
that systematically considers the priorities and alternatives
for current and proposed activities in relation to organization
objectives; it requires the rejustification of ongoing activities


Zero-based budgeting

A method of budgeting that ignores historical budgetary allocations and identifies the costs that are necessary to implement agreed strategies.


Zero coupon bond

Such a debt security pays an investor no interest. It is sold at a discount to its face price
and matures in one year or longer.


Zero-coupon bond

A bond in which no periodic coupon is paid over the life of the contract. Instead, both the
principal and the interest are paid at the maturity date.


Zero-coupon Bond

A security that makes no interest payments; it is sold at a discount
at issue and then repaid at face value at maturity


Zero-Coupon Bond

See discount bond.


Zero-coupon bond, or Zero

A bond that, instead of carrying a coupon, is sold
at a discount from its face value, pays no interest during its life, and pays the
principal only at maturity.


Zero curve, zero-coupon yield curve

A yield curve for zero-coupon bonds;
zero rates versus maturity dates. Since the maturity and duration (Macaulay
duration) are identical for zeros, the zero curve is a pure depiction of supply/
demand conditions for loanable funds across a continuum of durations and
maturities. Also known as spot curve or spot yield curve.


Zero-investment portfolio

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


Zero-one integer programming

An analytical method that can be used to determine the solution to a capital
rationing problem.


Zero prepayment

assumption The assumption of payment of scheduled principal and interest with no payments.


Zero-sum game

A type of game wherein one player can gain only at the expense of another player.


Zero uptick

Related: tick-test rules.


Minimum price fluctuation

Smallest increment of price movement possible in trading a given contract. Also
called point or tick. The zero-beta portfolio with the least risk.



 

 

 

 

 

 

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