Mean-Variance Optimization

A method that picks portfolio weights to maximize expected return for a chosen risk level, balancing reward against volatility.

Category: Optimizer & Performance

What is Mean-Variance Optimization?

Introduced by Harry Markowitz in 1952, mean-variance optimization treats each asset as a tradeoff between its expected return and its variance, while using correlations between assets to find combinations that sit on the efficient frontier. It is the foundational quantitative portfolio method.

Formula

w^* = \arg\max_w \; w^\top \mu - \frac{\lambda}{2} w^\top \Sigma w

Related terms

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