# Some Thoughts On Portfolio Theory Modern portfolio theory is basically "Diversify". In the long term, you can't beat the market. So linear combinations of the market portfolio and the risk-free asset make the most efficient solutions. Index fund and gold. According to your risk preference. Then I thought of the barbell strategy of Nassim Taleb. And I realized that maybe using a small but levered market portfolio would make a better result. ## Dialectics Thesis: Active trading Antithesis: The market portfolio Synthesis: Levered market portfolio, actively managing the leverage So instead of $100k index fund + $100k gold, 2x levered $50k index fund + $150k gold might make a better result. I haven't tested so I can't say anything now though. And of course, THIS IS NOT A FINANCIAL ADVICE. Just my thought experiment.