Enterprising Investor
Practical analysis for investment professionals

mean variance theory


On Investment Objectives and Risks, Clear Communication Is Key, Part 3

Portfolio Pi and Portfolio Eta are new decision metrics that connect investment objectives and risks.

On Investment Objectives and Risks, Clear Communication Is Key, Part 2

Standard deviation fails to characterize risk in a way that matters to most investors.

Has Goals-Based Investing Ruined Modern Portfolio Theory (MPT)?

Although a fundamentally important financial concept, modern or mean-variance portfolio theory (MPT) has been of little practical value to retail investors in their asset allocation. Hansi Mehrotra, CFA, believes it’s time to develop a more practical risk-management measure.



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