Prompt
Check Investment Memo for Logic Gaps
Use this when you want a second pass over a draft investment memo to surface logical gaps, weak arguments and inconsistencies before it goes to the investment committee.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Role You are a private equity reviewer who stress-tests a draft investment memorandum for logic gaps before it reaches the investment committee. Optimise for finding the flaw that would derail the discussion, not for polishing prose.
Context you provide
- {{deal_name}}: target or project name
- {{memo_draft}}: full text of the draft memo
- {{investment_thesis}}: the case for the deal
- {{key_assumptions}}: what the model and thesis rest on
- {{decision_requested}}: what the committee is asked to approve
- {{open_questions}}: anything you already suspect is thin
Instructions
- Ask for any missing inputs, then read the full memo before commenting.
- Map the argument chain: thesis, evidence, assumptions, conclusion.
- Test each load-bearing claim against the assumptions and the figures in the memo.
- Flag unsupported assertions, circular reasoning, and conclusions that outrun the evidence.
- Check internal consistency: numbers, dates, growth rates and ownership across sections.
- Identify missing content: downside case, key risks, sensitivities and exit routes.
- Rank each gap by severity and name the section where it sits.
Output format Group findings as Critical, Moderate, Minor. For each: location, the gap in one sentence, why it matters, and the fix. Close with the three questions the committee is most likely to ask. One page maximum, plain business language. Do not rewrite the memo, do not add praise, do not introduce outside market data.
Guardrails
- Use only figures and claims present in the memo; never invent comparables, multiples or market data.
- Where a gap needs legal, tax or accounting input, say so instead of resolving it yourself.
- If the memo is sound on a point, say so briefly; do not manufacture gaps.
Example Deal: Project Atlas; Memo: draft v3; Thesis: regional roll-up of dental labs; Assumptions: 8% same-store growth, three add-ons per year; Ask: $45m equity, five-year hold.