RESEARCH • RECORD • REVIEW
How to review a stock thesis after earnings
Compare your original expectations with an earnings report, separate facts from interpretation and record what remains unresolved.
Published by StocksDiaries · Updated September 20, 2026. Educational examples, not personalized investment advice. Prepared with AI assistance; no claim of independent expert review.
An earnings release gives you new information, but it does not automatically answer the question in your stock thesis. Start the review with the original entry. What did you expect to learn, and what evidence did you say would change your view? Keeping those questions visible helps prevent the share-price reaction from becoming the whole review.
Write expectations before reading the outcome
If you recorded expectations beforehand, copy them without editing. If you did not, mark them as missing. Do not describe a number you noticed after the announcement as your original forecast. For your next review, a useful expectation can be a question rather than a precise forecast: “Does the report explain whether sales growth is accompanied by stronger operating economics?”
Build a small comparison table
| Question | Fictional prior expectation | Fictional reported result |
|---|---|---|
| Revenue growth | 10% | 8% |
| Operating margin | 14% | 12% |
| Reason for margin change | Expected cost improvement | Explanation requires further reading |
In this fictional example, both reported figures are below the recorded expectations. That does not by itself establish the cause, determine fair value or prescribe a transaction. The journal should name the gap, identify relevant explanations and record what evidence would distinguish them.
Ask five questions
- Am I comparing like with like? Check reporting periods, units and the definitions used for each metric.
- Which original claim changed? Tie each new fact to a specific sentence in your thesis.
- What is management’s explanation? Label it as an explanation to assess, not an independently established conclusion.
- What supports the opposing case? Look for information that would make your preferred explanation less convincing.
- What remains unknown? Write the next research question and when evidence might become available.
Use primary documents and retain the source
Read the company’s release alongside relevant filings, and record where each figure came from. For US reporting companies, the SEC’s EDGAR database is publicly accessible; Investor.gov provides a guide to using those filings. A headline or social post may help you notice an event, but your journal should point to the underlying document when possible.
Finish with an evidence update
Original thesis date: Report and period reviewed: Previously recorded expectation: Reported fact, definition and source: Difference and possible explanations: Thesis supported / weakened / unresolved: Strongest counterevidence: Next question and review date:
An example conclusion could be: “The operating improvement claim weakened because the margin was below my recorded expectation. The cause remains unresolved until I examine the cost discussion.” That is more informative than “earnings were bad,” and it leaves room for another dated update when you have better evidence.
Keep research and account decisions distinct
The review captures what you learned. Any decision involving an actual holding also depends on circumstances that this template does not assess. Record that decision separately, with its own reasoning, rather than treating this checklist as an instruction to trade. You can also complete the entire exercise for a company you only follow.
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