How to Build a One-Page Investment Thesis Featured Image
A veteran trader’s guide to writing clear, testable investment theses. Includes a one-page template and pressure-testing tips.

Pros don’t “have a good feeling.” They have a document—short, specific, falsifiable. One page forces clarity and exposes fluff.

What Belongs on One Page

  • Snapshot: What the business does, who it serves, how it gets paid.
  • Edge / Variant View: What you believe that’s different and testable.
  • Drivers: 2–4 levers (units, pricing, mix, margins, TAM capture).
  • Numbers that matter: Baseline metrics and 12–24 month targets.
  • Valuation view: Simple lens with base/bear/bull.
  • Risks & Invalidation: Specific kill‑switches; thesis time limit.
  • Catalysts & Timeline: Product launches, capacity adds, pricing resets.
  • Positioning: Entry zone, add‑on triggers, stop/hedge, target size.
  • Monitoring: 3–5 KPIs and review cadence.

Template

Use the provided markdown template to structure your thesis.

Pressure-Test Your Page

  • Red team: What would make a smart bear short this?
  • Data sufficiency: You don’t need 80 slides; you need the right 8 numbers.
  • Time‑bound conviction: If the catalyst window passes, re‑underwrite or exit.

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