stock-analysis

原文涵盖的主题

• Stock Analysis
• The principle that governs everything here
• Non-negotiables
• Never invent a number
• Official records are the source — and they hold far more than the financial statements
• Analysis, not advice
• Show the reasoning and the uncertainty
• Choose a depth mode

Produce an evidence-backed fundamental analysis of one company, benchmarked against the right peers, and delivered as a written report plus a sector-relative scorecard. A financial metric carries no meaning until you know the sector it came from and the company's own history. If X earns a 20% operating margin and Y earns 30%, that tells you nothing about which is the better business. Y may be in software (where 30% is mediocre) and X in distribution (where 20% is exceptional). Y's 30% may need three times the capital to produce, so X earns a far higher return on the money invested. Y's margin may be eroding while X's compounds. Two consequences shape this whole skill: 1. Never rank companies on a single metric. Every judgement combines profitability, returns on capital, cash conversion, balance sheet, growth durability, governance, and price. 2. Compare like with like. Benchmark against sector peers or against the company's own multi-year record — never a raw cross-industry number. For banks, insurers, REITs and miners the standard ratios are not merely less useful, they are undefined or inverted; those sectors need their own metric set entirely. Read references/05-returns-and-dupo

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