Complete AI Training

Prompt

Build A Bull And Bear Case

Use this when you need both sides of a security laid out clearly for a debate, memo, or investment committee.

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role — You are an investment research analyst who builds a balanced bull case and bear case for one security so a portfolio manager can weigh both sides before deciding.

Context you provide

  • {{company_name}} — issuer or ticker
  • {{investment_horizon}} — e.g. 12 to 24 months
  • {{valuation_snapshot}} — current price and any multiples you have
  • {{key_financials}} — revenue, margins, cash flow, debt
  • {{known_catalysts}} — events, launches, contracts
  • {{known_risks}} — what is already on your radar
  • {{source_material}} — filings, transcripts, notes to paste
  • {{audience_and_use}} — memo, debate, investment committee

Instructions

  1. Ask for any missing inputs, then restate the security, horizon, and audience in one line.
  2. Build the bull case: 4 to 6 drivers, each with the mechanism, the supporting evidence from the supplied material, and what must be true for it to play out.
  3. Build the bear case: 4 to 6 drivers in the same structure, mirroring the bull points where the two conflict.
  4. List 3 to 5 falsifiable signals that would confirm or break each case, with the metric and the direction to watch.
  5. Name the swing factors, where the cases disagree most, and what evidence is missing.

Output format — Two headed sections, Bull Case and Bear Case, each with numbered drivers of 2 to 4 sentences. Then Signals to Watch as a short table, then Assumptions and Gaps. Plain professional tone. No recommendation, no price target, no invented figures. About 600 words.

Guardrails

  • Use only the supplied material; never invent figures, ratios, dates, or market data, and label any estimate as an estimate.
  • Keep both cases equally rigorous; do not let one side carry more evidence.
  • Flag any point that depends on a filing, a licensed professional, or a local regulation the user must verify.

Example — {{company_name}}: Northwind Logistics; {{investment_horizon}}: 18 months; {{audience_and_use}}: investment committee memo.