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INVESTMENT NOTES

Investment research grounded in filings and primary sources

Essays on investor decisions and market structure grounded in 13F filings, books, and interviews

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Market data passing through several analytical areas and narrowing into a few paths투자 데이터의 출처4. What does “big money is buying” actually measure?Separate trades from holdings in KRX data, 13F filings, ETF disclosures, and short-selling statistics.Market data passing through several analytical areas and narrowing into a few paths투자 데이터의 출처5. Rebuild the chart before accepting the conclusionRead Finviz, TradingView, and Koyfin displays, then build a small research note that can be checked against public data.A coral trust line joining mineral texture, gold polygons, translucent planes, distributed squares, and a branching node meshEconomics and Finance for Life1. The basic language of money and economicsWhy does life feel more expensive after a pay rise?Four operating modules joined by an end-to-end feedback loop while a local shortcut spills cost into the next moduleEconomics and Finance for Life2. Building a system from your first paycheckHow much of what I earn is actually available to spend?A thick stepped downside boundary protecting capital through repeated cycles before uncertain upside paths branch outEconomics and Finance for Life3. Savings, emergency funds, and room to chooseHow long could I manage if my income stopped?Two independent verification paths recombining inside a valuation range while a failed fragment falls beyond an exit boundaryEconomics and Finance for Life4. Understanding credit and debtHow does what I can borrow differ from what I can repay?Two independent verification paths recombining inside a valuation range while a failed fragment falls beyond an exit boundaryEconomics and Finance for Life5. Housing, family, and major expensesWhat should I calculate before moving or starting a family?A thick stepped downside boundary protecting capital through repeated cycles before uncertain upside paths branch outEconomics and Finance for Life6. Insurance and safety netsWhich losses can I absorb, and which risks need protection?Unlike market signals passing through one normalization lattice into five portfolio compartmentsEconomics and Finance for Life7. What to understand before investingWhen will I need this money, and how much loss can I bear?