The Principles of Diversification: Correlation Is What Matters
Diversification is not measured by how many holdings you own but by how differently they move. Correlation, the 20–30 stock limit, the three axes, and the moment diversification fails.
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Understanding Investment Risk: Volatility and Maximum Drawdown (MDD)
Turning the vague sense of “risky” into two measurable numbers — volatility and MDD — with real market drawdowns, the asymmetry of loss, and how both should shape the design of an account.
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What Is an ETF: From the Concept to the Costs
How an ETF is built, the types on the shelf, the three layers of cost most investors never see, the tax treatment by account, and a five-minute checklist for choosing between funds tracking the same index.
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The Principles of Asset Allocation: How to Split the Eggs Between Baskets
Setting the ratios between asset classes: the character of each ingredient, the classic formulas from 60/40 to All Weather, how rebalancing works, and the phases — 2022 above all — in which allocation fails.
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What Compounding Is: The Structure of Returns That Time Builds
Compounding pushed all the way through with numbers — the rule of 72, why starting age beats contribution size, and what withdrawals, large losses, costs and taxes each cost you.
