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Plain-English guides to how professional investors value a business — the same methods Market Lens runs for you automatically. Start anywhere below.
Sep 26, 2026
DCF Explained: How Discounted Cash Flow Works
DCF valuation estimates what a business is worth today by adding up the cash it will produce in the future, discounted back to present value. How it works.
Read the guide →Sep 26, 2026
How to Find Undervalued Stocks
Finding undervalued stocks means screening for quality businesses, then estimating fair value and buying only with a margin of safety. The repeatable process.
Read the guide →Sep 26, 2026
ROIC and the Graham Number, Explained
ROIC shows how well a company turns capital into profit; the Graham Number caps what a defensive investor should pay. Here's how to use both correctly.
Read the guide →Sep 26, 2026
Warren Buffett's Investing Criteria, Explained
Warren Buffett buys good businesses at fair prices via four filters — circle of competence, an economic moat, a fortress balance sheet, and a margin of safety.
Read the guide →Sep 26, 2026
What Is a Good P/E Ratio? Plain-English Guide
There's no single good P/E ratio — it depends on the company's growth, quality, and industry. Here's how to read a price-to-earnings ratio in context.
Read the guide →Sep 26, 2026
What Is an Economic Moat?
An economic moat is a durable competitive advantage that protects a company's profits from rivals — like a brand, network effect, switching costs, or cost edge.
Read the guide →Sep 10, 2026
How to Value a Stock — A Plain-English Guide
Learn how to estimate what a stock is really worth, step by step — quality first, then fair value with a DCF, then margin of safety. No jargon, no spreadsheets.
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