Investment Metrics

How to read a business — P/E, margins, free cash flow, unit economics. Concepts anchored in concrete objects.

• Cyclical Stocks: Five Checks for Reading a Peak in the Numbers — Cyclical stocks look cheapest when their profits are least repeatable. Five checks, scored out of ten, for spotting late-cycle features in a company's reported figures.
• Margin of Safety: What It Is, How to Size It, and Who It Protects — A margin of safety is the gap between your estimate of value and the price you pay. How the formula works, how wide it should be, and why a market-wide discount is not your cushion.
• Comparable Sales: What the Adjusted Number Takes Out — Comparable sales show whether a retailer's existing shops are improving. Why one release carries two different figures, how two retailers define the metric differently, and why one quarter says little.
• Net Dollar Retention: Five Questions That Grade Software Growth — Net dollar retention shows how much of a software company's growth came from customers it already had. Five scored questions, worked through on Figma's reported figures.
• Forward P/E vs Trailing P/E: What the Distance Between Them Means — Forward P/E vs trailing P/E is a question about which earnings sit under the line. How to read the gap, check it in five minutes, and spot the one-off item that fakes it.
• Costco P/E Ratio: Why the Market Pays a Premium for These Earnings — Costco's P/E ratio sits far above the typical retailer. Here is what the multiple measures, and why roughly half of operating profit arrives as membership fees.
• Dividend Payout Ratio Explained: Buffett's One-Dollar Test for Retained Profit — The dividend payout ratio shows how much profit leaves the company. Buffett's 1984 test asks whether the profit that stays behind earns its keep.
• Closed-End Fund Discount to NAV: What the Gap Is Actually Pricing — A closed-end fund can trade below the value of what it holds. Learn what the discount to NAV prices, and what pays you while you hold the fund.
• Beyond "Cash Is King": How to Read a Cash Flow Statement — The cash flow statement reveals whether a business actually generates money or just moves numbers around on paper.
• Why P/E Lies More Often Than It Tells the Truth — P/E ratios treat earnings as mathematical facts when they're actually accounting opinions shaped by dozens of judgment calls.
• Working Capital: Why Profitable Companies Still Run Out of Cash — Working capital reveals why profitable companies can still run out of cash — it measures the timing mismatch between earning money and actually collecting it.
• Decoding operating Margin: What It Is, How to Calculate It, and Why It Matters for Investors? — Operating margin reveals whether management can actually run the business they claim to understand, cutting through financial engineering to show core operational performance.
• Decoding Gross Margin: What It Is, How to Calculate It, and Why It Matters for Investors? — Gross margin is a lie detector that cuts through management spin to reveal the raw economic power of any business model.