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Active Share: Definition, Formula and Limitations
Active Share is a portfolio metric used to determine how much a fund’s holdings differ from its benchmark index. It reveals whether a portfolio manager is truly pursuing an active strategy or simply “hugging” the index while still charging active-management fees. A higher Active Share means the portfolio is taking distinct positions, while a lower score indicates strong overlap with the benchmark. For investors, it’s an essential tool for evaluating the value and authenticit
Emily Sterling
Nov 14, 20253 min read


Automating Boring Tasks in Real Estate
Real estate is one of the most dynamic industries but also one of the most repetitive. From managing listings and entering data to updating spreadsheets and sending follow-up emails, professionals often spend more time on admin than actual deals . Fortunately, automation and AI are now changing that. Whether you’re a property manager, agent, or investor, automation tools can help you reclaim your time, reduce errors, and focus on what truly matters: clients, strategy, and gr
MREI Official
Nov 10, 20253 min read


Black-Litterman Model: Definiton, Formula and Example
The Black-Litterman Model is an advanced portfolio construction framework developed by Fischer Black and Robert Litterman at Goldman Sachs in 1990. It improves upon the traditional mean-variance optimization model by incorporating both market equilibrium returns and an investor’s own subjective views on asset performance. This model helps investors generate more stable, realistic, and diversified portfolios , avoiding the extreme allocations often produced by traditional op
Lukas Müller, PhD
Nov 8, 20252 min read


Treynor Ratio: Definition, Formula and Examples
The Treynor Ratio is a key performance metric that evaluates how effectively an investment or portfolio generates returns relative to the systematic risk it assumes. Developed by Jack Treynor, this ratio helps investors compare the efficiency of different portfolios or funds by analyzing returns per unit of market risk, represented by beta . What Is the Treynor Ratio? The Treynor Ratio is designed to assess risk-adjusted performance , focusing exclusively on market-related
Lukas Müller, PhD
Oct 29, 20253 min read


Fund of Funds (FOF): Definition, Benefits & Risks
A Fund of Funds (FOF) is an investment vehicle that holds a portfolio composed of other funds rather than investing directly in individual securities. This approach provides investors with broad diversification, professional management, and simplified access to multiple investment strategies or asset classes through a single investment product. What Is a Fund of Funds (FOF)? A Fund of Funds, often abbreviated as FOF, is designed to invest in a collection of other mutual fun
Lukas Müller, PhD
Oct 21, 20253 min read


Overlay Management: Definition, Benefits and Risks
Overlay management is an advanced investment technique used by institutional investors, asset managers, and pension funds to adjust portfolio exposures such as currency, interest rate, or equity risk without altering the underlying holdings . It allows investors to fine-tune risk and return profiles through derivatives or other overlay strategies while maintaining the integrity of the core portfolio. What Is Overlay Management? Overlay management refers to the practice of u
Emily Sterling
Oct 14, 20253 min read
London Real Estate Institute
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