Modern Portfolio Theory - MPT

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Dictionary Says

Definition of 'Modern Portfolio Theory - MPT'

A theory on how risk-averse investors can construct portfolios to optimize or maximize expected return based on a given level of market risk, emphasizing that risk is an inherent part of higher reward.

Also called "portfolio theory" or "portfolio management theory."
Investopedia Says

Investopedia explains 'Modern Portfolio Theory - MPT'

According to the theory, it's possible to construct an "efficient frontier" of optimal portfolios offering the maximum possible expected return for a given level of risk. This theory was pioneered by Harry Markowitz in his paper "Portfolio Selection," published in 1952 by the Journal of Finance.

There are four basic steps involved in portfolio construction:
-Security valuation
-Asset allocation
-Portfolio optimization
-Performance measurement

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