- name:
- writing-investment-theses
- language:
- en
- description:
- Formulates structured bull/bear investment theses with variant perception and key risk identification. Use when developing investment theses, articulating variant views, or structuring bull/bear arguments.
- author:
- casemark
Writing Investment Theses
When To Use
- Developing a long or short investment thesis for an individual security, sector, or thematic basket
- Articulating a variant perception — where and why your view diverges from consensus
- Structuring bull/bear/base case scenarios for portfolio decision-making or IC presentation
- Preparing investment committee memos, pitch books, or idea generation write-ups
- Stress-testing an existing position by formalizing the counter-thesis
Inputs To Gather
- Company/asset identifiers: ticker, market cap, sector, relevant index membership
- Financial data: trailing and forward revenue, EBITDA, EPS, FCF; margins and growth rates; balance sheet leverage (net debt/EBITDA); capital return profile (buyback yield, dividend yield)
- Valuation context: current multiples (P/E, EV/EBITDA, P/FCF) vs. historical range, sector comps, and DCF assumptions if available
- Consensus estimates: sell-side consensus revenue/EPS for next 1–3 fiscal years, estimate revision trend (up/down/flat over 30/90 days)
- Variant perception source: proprietary data, channel checks, supply-chain intelligence, regulatory insight, or structural view that differs from consensus
- Catalysts and timeline: upcoming events (earnings, FDA decisions, regulatory rulings, M&A milestones, macro data) that could reprice the asset
- Risk factors: position sizing context, liquidity profile, short interest, options skew, key-person or governance risks
Workflow
-
Frame the opportunity
- State the asset, current price, and your directional view (long/short/pair)
- Summarize the consensus narrative in 2–3 sentences — what the market currently believes and prices in
- Articulate the variant perception: the specific insight or analytical edge that consensus is missing or mispricing
-
Build the fundamental case
- Walk through the earnings or cash-flow model that supports the thesis — revenue drivers, margin trajectory, capital intensity
- Highlight the 1–2 key variables that matter most to the outcome (e.g., same-store sales inflection, regulatory approval probability, cost-curve positioning)
- Quantify the upside/downside asymmetry: what the asset is worth under your thesis vs. current price
-
Construct scenario analysis
- Bull case: favorable resolution of key variables, upside to estimates, multiple expansion — assign a probability and target price
- Base case: partial thesis realization, modest estimate revisions — probability and target
- Bear case: thesis failure, downside risks materialize — probability and target
- Calculate the expected value across scenarios to demonstrate risk/reward skew
-
Identify catalysts and timeline
- List specific, dated catalysts that could drive re-rating (earnings prints, data releases, corporate actions)
- Distinguish between hard catalysts (known dates) and soft catalysts (evolving narratives, positioning shifts)
- State the expected holding period and any time-decay risk if catalysts fail to materialize
-
Map key risks and mitigants
- Enumerate the top 3–5 risks to the thesis — fundamental, technical, macro, regulatory
- For each risk, describe the mitigant or the observable signal that would trigger thesis reassessment
- Define the "kill criteria" — the specific data points or price levels that would invalidate the thesis and prompt exit
-
Draft the thesis document
- Lead with a one-paragraph executive summary: asset, direction, variant view, target price, and expected holding period
- Follow the structure above in clearly headed sections
- Use tables for scenario analysis and comp valuations; use charts/exhibits references where appropriate
- Keep language precise and assertion-backed — every claim ties to a data point or clearly flagged assumption
Output
The final investment thesis document should include:
- Executive summary (1 paragraph): ticker, direction, variant perception, price target range, risk/reward ratio, holding period
- Consensus vs. variant view section with explicit statement of market mispricing
- Fundamental analysis with key driver walk-through and model sensitivity
- Scenario table: bull/base/bear with probabilities, target prices, and expected value
- Catalyst calendar with dates and significance ratings
- Risk matrix with severity, likelihood, mitigant, and kill criteria for each risk
- Position sizing guidance (if requested): suggested allocation, stop-loss level, hedging approach
Format as a professional investment memo suitable for IC review. Flag all forward-looking estimates with source attribution (consensus, proprietary model, management guidance).
Quality Checks
- Every factual claim cites a source (filing, data vendor, channel check) or is marked [VERIFY]
- Variant perception is clearly distinguished from consensus — not merely restating the bull case
- Scenario probabilities sum to 100%; target prices are internally consistent with stated assumptions
- Kill criteria are specific and observable, not vague ("if fundamentals deteriorate")
- Valuation multiples and financial data are cross-checked against at least one independent source [VERIFY]
- No forward-looking statement is presented as fact — use "we estimate," "our model implies," or "management guided"
- Regulatory and compliance disclaimers are included where the output will be distributed externally [VERIFY]
- Holding period and catalyst timeline are realistic given the thesis type (event-driven vs. secular)