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modern portfolio theory

American  
[mod-ern pawrt-foh-lee-oh thee-uh-ree, theer-ee] / ˈmɒd ərn pɔrtˈfoʊ liˌoʊ ˌθi ə ri, ˌθɪər i /

noun

Finance.
  1. a mathematical system for calculating and analyzing the expected returns on assets in order to assemble a portfolio of maximum efficiency, as used in the Markowitz model. MPT


Etymology

Origin of modern portfolio theory

Introduced in 1952 by U.S. economist Harry M. Markowitz ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

That was the birth of modern portfolio theory, now a common strategy in any financial planner’s toolbox.

From Salon Apr. 26, 2025

Furthermore, using the principles of modern portfolio theory, Morgan Stanley has calculated that an emerging market allocation of 27 percent in a global stock portfolio produces the best balance between risk and return.

From New York Times Dec. 17, 2021

These platforms use algorithms and modern portfolio theory to create portfolios based on investors goals.

From US News Sep. 16, 2016

His Anchorage-based McKinley Capital Management oversees more than $7 billion in assets and uses the classic idea of modern portfolio theory to estimate future risk and returns.

From Forbes Apr. 29, 2015

Plus, he adds, it doesn’t help an investor adhere to modern portfolio theory, which focuses on diversification and balancing expected risk with return.

From Washington Post Mar. 21, 2014

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