Educational Video

Passive Investing Theory, part four: Portfolio Theory

Passive Investing Theory, part four: Portfolio Theory

Diversification has been called ‘the only free lunch in investing’ and is the driver behind Portfolio Theory, developed in 1952 by Harry Markowitz and later expanded upon by William Sharpe in his Capital Asset Pricing Model, and Eugene Fama and Kenneth French in their Three Factor Model. With contributions from Garrett and Bernd.