Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Understand what portfolio diversification is and why it's a crucial investment strategy. Learn how diversification can help ...

Diversification has been called the oldest trick in the investment book. So old that to construct a diversified portfolio, it is still common to apply mean-variance optimisation, a 70-year-old ...

There’s a reason Wall Street firms recruit from MIT. For many investors, the financial markets are governed entirely by mathematical equations applied to aspects of a security’s price and trading ...

Theory and practice in money management have a rocky relationship. What looks good on paper often suffers a difficult and even a fatal transition to the real world for several reasons, including ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Chip Stapleton is a Series 7 and Series 66 license holder, CFA ...

The classical Markowitz approach to portfolio selection is compromised by two major shortcomings. First, there is considerable model risk with respect to the distribution of asset returns.