Portfolio Management

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

100% Equities Strategy

A 100% equities strategy invests entirely in stocks, increasing long-term growth exposure while accepting higher volatility and drawdown risk.

Active Management

Active management is a portfolio strategy in which managers select securities, weights, and timing decisions to try to outperform a benchmark.

Active, Passive & Factors

Portfolio pages for active management, passive management, index investing, smart beta, and implementation styles.

Alpha

Alpha represents an investment's performance relative to a benchmark index, indicating the active return on investment compared to the market.

Alpha Generation

Alpha generation refers to the ability to achieve investment returns exceeding a market index's benchmark return, adjusted for risk.

Alpha vs. Beta

Alpha measures benchmark-relative excess return, while beta measures sensitivity to broad market or systematic risk.

APT

Multi-factor asset-pricing theory that explains expected returns through exposure to systematic risk factors.

APT

Arbitrage Pricing Theory is a multi-factor asset-pricing model that links expected return to systematic risk exposures.

Asset Allocation

Portfolio decision about how much to place in each asset class, shaping risk, return, and liquidity.

Asset Classes

Asset classes group investments with similar risk, return, liquidity, and market behavior for allocation and diversification decisions.

Asset Management

Asset management is the professional oversight of portfolios or financial assets to align investments with objectives, risk limits, and return goals.

Attribution Analysis

Attribution analysis breaks portfolio performance into allocation, selection, timing, currency, or factor effects relative to a benchmark.

Benchmark Index

A standard against which the performance of a security, mutual fund, or investment manager can be measured.

Funds and Portfolios

Bond index, fund, ladder, benchmark, and fixed-income portfolio-construction terms.

Boston Matrix

The Boston Matrix is a portfolio analysis tool that classifies business units by market growth and relative market share.

Buy-Side

The buy-side includes firms and professionals that manage capital for clients, funds, pensions, endowments, or proprietary portfolios.

Capital Market Line (CML)

The capital market line shows combinations of the risk-free asset and the market portfolio under CAPM assumptions.

CAPM

CAPM estimates expected return from the risk-free rate, market risk premium, and an asset's beta exposure.

Closet Indexing

Closet indexing describes an active fund that closely tracks a benchmark while charging active-management fees.

Cross-Border Portfolios

Portfolio pages for foreign portfolio investment, offshore structures, global equity exposure, and special listed portfolio products.

Defensive Securities

Defensive securities are stocks, bonds, or other holdings expected to be less sensitive to economic downturns and market stress.

Diversification

Diversification spreads exposure across assets, sectors, issuers, or strategies to reduce concentration risk and smooth portfolio outcomes.

Down-Market Capture Ratio

The Down-Market Capture Ratio measures an investment's performance relative to a benchmark during down-market periods.

Efficient Frontier

The efficient frontier shows portfolios offering the highest expected return for each level of risk.

Efficient Portfolio

An efficient portfolio of investments has a maximum expected return for a given level of risk or a minimum level of risk for a given expected return.

Excess Return

Excess return measures investment performance above a benchmark or risk-free rate, often used to evaluate skill, risk premia, or alpha.

Financial Analyst

A Financial Analyst analyzes financial data to help businesses make informed decisions, encompassing roles in securities analysis, financial planning, and corporate finance.

Financial Risk

Financial risk is the possibility that investment, financing, liquidity, market, or credit conditions cause economic loss.

Fundamental Analysis

Security analysis estimates value from financial statements, cash flows, competitive position, management quality, and market price.

GE McKinsey Matrix

The GE McKinsey Matrix is a strategic tool used for evaluating the strength of a business unit based on industry attractiveness and the unit's competitive strength.

Global Equity

Global equity exposure invests in stocks across multiple countries, broadening the opportunity set while adding currency and country risk.

Granular Portfolio

A granular portfolio holds many smaller positions, reducing dependence on any single issuer, sector, loan, or asset.

Gross Investment Income

Gross Investment Income refers to the total income generated from all investments before accounting for any expenses.

Holding Period

Holding period is the length of time an investor owns an asset, affecting return measurement, liquidity, and tax treatment.

Holdings in Investing

Holdings are the securities, cash, funds, or other assets owned inside a portfolio or investment account.

Idiosyncratic Risk

Idiosyncratic risk is company-specific or asset-specific risk that diversification can reduce.

Index Investing

Index investing tracks a market index through funds or portfolios designed to match benchmark exposure with low turnover and cost.

Information Ratio (IR)

The information ratio measures active return per unit of tracking error to evaluate benchmark-relative manager skill.

Investment Analysis

Deep dive into Investment Analysis: exploring its definition, various types, importance, methodologies, and best practices for making informed investment decisions.

Analysis & Thesis

Investment analysis, fundamental analysis, thesis building, and portfolio-screening tools used to decide what to buy, hold, or avoid.

Investment Analyst

An investment analyst researches securities, industries, issuers, or portfolios to support buy, sell, hold, and allocation decisions.

Investment Counsel

Investment Counsel refers to a professional who provides investment advice to clients and executes investment decisions, ensuring optimal financial planning and asset management.

Investment Horizon

Investment horizon is the expected time period an investor plans to hold assets before needing the capital.

Investment Income

Investment income is cash flow earned from investments, including interest, dividends, rents, distributions, and similar returns.

Investment Management

Investment management is the professional process of selecting, monitoring, and adjusting assets to meet a mandate or client goal.

Investment Newsletter

An investment newsletter is a recurring publication that provides market commentary, research views, recommendations, or portfolio ideas.

Investment Objective

An investment objective states the return, income, preservation, growth, or risk target that guides portfolio construction.

Investment Performance

Investment performance measures the return, risk, and benchmark-relative results of a portfolio, fund, or strategy.

Investment Policy Statement (IPS)

An investment policy statement documents objectives, constraints, asset allocation guidance, risk limits, and governance for a portfolio.

Investment Portfolio

An investment portfolio is a collection of assets held to meet return, income, liquidity, or risk-management objectives.

Investment Risk

Investment risk is the possibility that returns, income, liquidity, or capital value differ from expectations or result in loss.

Investment Thesis

An investment thesis is the core rationale explaining why an asset should create value, outperform, or fit a portfolio.

Jensen's Alpha

Jensen's Alpha is a metric that evaluates a portfolio's return above the expected return predicted by the Capital Asset Pricing Model (CAPM).

Long-Short Equity

Long-short equity combines long positions expected to rise with short positions expected to fall or underperform.

Market Portfolio

The market portfolio is the theoretical portfolio containing all risky assets in market-value weights.

Market Timing

Market timing attempts to shift exposure before expected market moves, often by changing cash, sector, or asset-class weights.

Market Volatility

Market volatility measures the degree and frequency of price fluctuations across securities, indexes, or markets.

Modern Portfolio Theory

Modern portfolio theory analyzes diversification, covariance, and risk-return tradeoffs to build efficient portfolios.

Modified Dietz Method

The Modified Dietz Method offers a reliable means of calculating an investor's rate of return by excluding external factors that can skew performance measurements.

Multi-Asset Class Investing

Multi-asset class investing combines different asset classes in one portfolio to balance return drivers, volatility, and income sources.

Net Exposure

Net exposure measures long exposure minus short exposure, showing a portfolio's directional market position.

Overweight

Overweight means holding more of a security, sector, or asset class than its benchmark or neutral allocation.

Passive Investing

Passive investing seeks benchmark-like returns by holding broad market exposure instead of frequently selecting individual securities.

Passive Management

An explanatory guide on Passive Management, an investment strategy that mirrors a market index to minimize turnover and reduce costs.

Portfolio

A portfolio is the collection of financial assets, cash, and investment exposures owned by an investor or managed account.

Portfolio Diversification

Portfolio diversification is the deliberate mix of holdings designed to reduce avoidable concentration risk without eliminating market risk.

Portfolio Income

Portfolio income is income generated by investments, distinct from earned income, business income, or capital gains.

Income & Holdings

Portfolio pages for holdings, portfolio value, investment income, holding periods, runoff, and cash-flow-sensitive portfolio concepts.

Portfolio Investment

Portfolio investment is ownership of securities or financial assets for return, income, or diversification rather than direct operating control.

Portfolio Management

Portfolio-construction terms for allocation, risk-adjusted performance, account structures, and how holdings work together.

Portfolio Management

Portfolio management is the process of building and overseeing investments to balance objectives, constraints, risk, and return.

Portfolio Manager

A portfolio manager is responsible for investment selection, risk control, trading decisions, and portfolio outcomes under a mandate.

Portfolio Optimization

Portfolio optimization selects asset weights to balance expected return, risk, constraints, diversification, and investor objectives.

Portfolio Rebalancing

Portfolio rebalancing realigns holdings with target weights after market movements, cash flows, or policy changes.

Portfolio Runoff

Portfolio runoff occurs when loans, bonds, or other holdings mature, amortize, prepay, or decline without replacement.

Portfolio Selection

The art and science of determining the optimal mix of various assets to maximize expected returns while managing risk.

Portfolio Theory

Portfolio theory studies how investors combine assets to manage risk, expected return, diversification, and constraints.

Portfolio Value

Portfolio value is the total current market value of all holdings and cash positions in a portfolio.

Portfolio Variance

Portfolio variance measures total portfolio risk using asset weights, individual variances, and covariances.

Quantitative Trading

Quantitative trading uses data, statistics, models, and systematic rules to identify signals, size positions, and manage trading risk.

Random Walk Hypothesis

The Random Walk Hypothesis posits that stock price changes are random and unpredictable, contrasting with the notion of mean reversion.

Rate of Return

Rate of return measures an investment's gain or loss relative to the amount invested over a period.

Return on Investment

Return on Investment (ROI) is a key performance indicator used to evaluate the profitability of an investment.

Risk Aversion

Risk aversion refers to the tendency to prefer certainty over uncertainty in investment decisions, even if it might mean lower returns.

Risk Parity

Risk parity allocates portfolio weights by risk contribution rather than capital dollars, often using leverage to balance asset-class volatility.

Risk Premium

A risk premium is the additional expected return investors require for bearing risk above a risk-free benchmark.

Risk Tolerance

Risk tolerance is an investor's willingness and ability to accept volatility, loss, or uncertainty in pursuit of returns.

Risk-Adjusted Return

Risk-adjusted return evaluates performance after accounting for volatility, downside risk, beta, or other risk measures.

Risk-Free Return

Risk-free return is the theoretical baseline return for an investment with no default, reinvestment, or market risk.

Risk-Return Tradeoff

The risk-return tradeoff describes the relationship between expected return potential and the amount of risk accepted.

Sector Breakdown

Sector breakdown shows how a portfolio or fund is allocated across industries or economic sectors for diversification and risk review.

Security Market Line (SML)

The security market line plots expected return against beta to show CAPM's required return for systematic risk.

Sharpe Ratio

Risk-adjusted performance measure comparing excess return with total volatility across portfolios or strategies.

Smart Beta

Smart Beta: Investment strategies that use alternative index construction rules to traditional market cap-based indices, often incorporating factor investing principles.

Sortino Ratio

The Sortino ratio measures excess return per unit of downside deviation, focusing on harmful volatility rather than total volatility.

Stat Arb

Statistical arbitrage uses data, models, and systematic rules to trade temporary pricing deviations among related securities.

Stocks vs. Bonds

Stocks and bonds differ in ownership rights, cash-flow priority, risk exposure, return potential, and portfolio role.

Strategic Asset Allocation

Strategic asset allocation sets long-term target weights across asset classes based on objectives, risk tolerance, and time horizon.

Systematic Risk

Systematic risk is market-wide risk that affects broad asset classes and cannot be eliminated through diversification.

Tactical Asset Allocation

Tactical asset allocation makes shorter-term allocation shifts around a strategic target based on valuation, momentum, risk, or macro views.

Targeted Rebalancing

Targeted rebalancing adjusts portfolio weights when allocations move outside defined tolerance bands or target thresholds.

Top-Down Portfolio

A top-down portfolio starts with macroeconomic, regional, sector, or factor views before selecting individual securities.

Tracking Error

Tracking error measures the volatility of active return between a portfolio and its benchmark.

Treynor Ratio

The Treynor ratio measures excess return per unit of systematic risk, using beta as the risk measure.

Unlevered Beta

Unlevered beta estimates an asset's market risk after removing the effect of financial leverage.

Unsystematic Risk

Unsystematic risk is issuer-specific, industry-specific, or event-specific risk that diversified portfolios can reduce.

Up-Market Capture Ratio

The up-market capture ratio measures how much of a benchmark's positive return a manager or fund captured in rising markets.

Upside/Downside Ratio

The upside/downside ratio compares advancing and declining volume or price movement to assess market breadth and momentum.

Wealth Management

Wealth management coordinates investing, planning, tax, estate, and risk decisions for individuals, families, or institutions.

Zero-Beta Portfolio

A zero-beta portfolio is constructed to have no systematic market exposure while still carrying other investment risks.

Zero-Investment Portfolio

A zero-investment portfolio combines long and short positions so the net initial investment is approximately zero.

Revised on Sunday, June 21, 2026