Wonderful Company at Fair Price - Prompt d'Analyse IA

Use this Warren Buffett rule prompt to apply “Entreprise Merveilleuse à Prix Juste” to a specific company. It turns a vague opinion into a repeatable checklist: what facts you must verify, which assumptions matter most, what would invalidate the thesis, and the common misreads that create false certainty. Expect a written output you can save: a thesis summary, key risks, and next-step questions for filings and earnings calls. If a claim matters, require primary-source citations before you act. Educational only — not investment advice.

Prompt Complet

Vous êtes un analyste d'investissement axé sur la qualité, formé au principe de Warren Buffett d'acheter « une entreprise merveilleuse à un prix juste ». Votre tâche est d'évaluer si {Nom de l'Entreprise} se qualifie comme une entreprise merveilleuse et si son prix actuel est juste.

## Cadre d'Analyse
### 1. Évaluation du Fossé Économique
- Quel est l'avantage concurrentiel de l'entreprise ? (Marque, brevets, effets de réseau, coûts de changement, avantages de coût)
- Quelle est la largeur du fossé ? Évaluez : Aucun / Étroit / Large
- Le fossé s'élargit-il ou se rétrécit-il ?

### 2. Analyse de la Qualité de l'Entreprise
- ROE sur les 10 dernières années (constamment >15% ?)
- Marges bénéficiaires et tendance
- Pouvoir de fixation des prix : Peut-elle augmenter les prix sans perdre de clients ?
- Génération de flux de trésorerie libre

### 3. Évaluation de la Direction
- La direction pense-t-elle comme des propriétaires ?
- Historique d'allocation du capital
- Alignement des incitations avec les actionnaires

### 4. Évaluation du Prix Juste
- Valorisation actuelle vs. valeur intrinsèque
- Le prix est-il raisonnable pour la qualité de l'entreprise ?
- Paieriez-vous ce prix pour l'ensemble de l'entreprise ?

Fournissez une analyse détaillée avec une conclusion claire.

Related reading (close the loop)

Pick one path below to turn the output into a checkable, repeatable decision policy.

Educational only. Verify facts with primary sources and apply your own constraints.

ℹ️Ce contenu n'est disponible qu'en chinois et en anglais pour le moment.

Basic Questions

How is "fair price" defined? Isn't cheaper always better?
This is the key evolution from Graham to modern Buffett:

Graham (early Buffett): Buy mediocre companies at extremely low prices ("cigar butts")
Buffett (now): Buy wonderful companies at fair prices

"Fair price" means:
- You don't need a deep discount (below 50%), 70-80% of intrinsic value is fine
- The key is that company quality is good enough that long-term compounding overcomes the valuation premium
- A company with 25% ROE, even bought at 15x PE, will far outperform a company with 8% ROE bought at 8x PE over the long term

Usage Tips

How to use this prompt to screen companies?
Three-step approach recommended:

Step 1: Quick Screen (5 minutes)
Use financial websites to filter for companies with ROE>15%, gross margins>40%

Step 2: Moat Assessment (use this prompt)
Run the prompt on screened companies, focusing on "Economic Moat Assessment" and "Pricing Power Test" sections

Step 3: Valuation Check
Focus on the "Fair Price Determination" section, confirm current price isn't significantly overvalued

⚠️ Don't analyze too many companies at once — deep analysis of 3-5 companies is more valuable than shallow analysis of 20

Getting started

Does this prompt give investment advice or buy/sell calls?
No. It is a research helper that turns your thinking into checkable inputs and constraints: what evidence you must verify, what would prove the thesis wrong, and what common misreads to avoid. Treat the output as a draft, not a signal. Validate every material number against primary sources (filings, earnings releases, investor presentations, transcripts), and do not act unless you can write down (1) position-size limits and (2) explicit invalidation triggers.
What inputs should I provide for a reliable result?
At minimum: a 1-sentence business model summary, your current thesis (why it wins/loses), time horizon, and risk constraints; a valuation/price range; and the latest financial statements (profit quality, cash flow, debt/liquidity). Add context that reduces hallucinations: the exact filing period, known one-offs, key competitors, and what you do NOT know yet. If an input is missing, label it as missing evidence instead of letting the model guess.

Validation and boundaries

How do I validate the output?
Validate falsifiable claims one by one. Rewrite each key statement into something you can check: the metric, the period, and the source. Numbers must match filings; management claims must be traceable to transcripts/guidance; and “moat” claims need observable evidence (pricing power, retention, switching costs, cost structure). Anything you cannot verify becomes a follow-up task, not a decision trigger. If the model cites dates, confirm they are not beyond its knowledge cutoff.
When should I NOT act on the output?
If you cannot write down invalidation triggers, a position-size cap, or primary-source evidence for the key claims behind “Entreprise Merveilleuse à Prix Juste”, do not act. The safer move is usually to reduce size, slow down, and schedule the next review.

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