Core · Module 05

Portfolio Theory

Markowitz turned investing from stock-picking into an optimisation problem, and won a Nobel for a result that fits on one page.

By the end of this module

You can explain why diversification is the only free lunch, and where the theory quietly breaks.

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01

Risk, return and diversification

Why does combining two risky assets reduce risk?

Primary source★ LandmarkFree
Portfolio Selection ↗

Harry Markowitz, 1952

Fourteen pages that created modern portfolio management.

02

The efficient frontier and optimisation

What is the best possible portfolio for a given risk?

Quiz

Not written yet for this module. The lectures above are complete and the module still counts toward your progress.