A comprehensive glossary of investment terms used by legendary investors, organized alphabetically
Use this glossary to quickly decode investing language (moat, intrinsic value, drawdown, margin of safety) and connect each concept to real principles and decision checklists.
⚠️ Definitions can vary by context. Treat terms as lenses for reasoning, verify facts with primary sources, and avoid trading decisions based on buzzwords alone.
Investing terms often come from accounting, economics, and market practice. The same word can mean different things in different industries or time periods. Use the glossary as a starting point, then confirm the definition with the source context (filings, standards, or the author’s original wording).
Pair the term with a checklist: what evidence supports it, what evidence breaks it, and what action it changes. For example, “margin of safety” should translate into concrete assumptions, valuation ranges, and a rule for when you will say “no”.
Open the term, then jump to the associated principles and scenarios. Principles show the logic and tests; scenarios show the common mistakes and how disciplined investors respond when uncertainty is high.
No. KeepRule is educational. It helps you structure thinking and build discipline, but it cannot guarantee outcomes. Always validate key facts yourself and consider professional advice when appropriate.
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