How to Fit Facts, Estimates, Valuation, and Contrary Evidence on One Page
Learn which links between calculations and conclusions to retain when condensing a long report to one page. Separate reference dates, key assumptions, valuation ranges, and contrary evidence for comparison with the next earnings release.
A one-page summary should preserve the links from facts to estimates and valuation judgments, rather than merely copy sentences in shorter form. Retain reference dates and sources, key variables, calculation results, and conditions that would change the thesis so later evidence can inform revisions.
First separate established facts from the analyst’s estimates
At the top, record the analysis reference date, share-price reference date, reporting period, and whether the figures are consolidated. Below, label revenue, earnings, and debt verified in disclosures as facts, and distinguish estimates such as next year’s volumes or margins. Identify company guidance separately as management’s forecast. Rather than include a lengthy business description, state the product and customer conditions currently driving results. One page cannot hold all the material, so retain original source titles and the locations of relevant tables and notes so the figures can be checked again.
Connect the investment thesis through a calculable sequence
Simply writing “new-product growth” makes it difficult to verify the effect on revenue and earnings. Add a revenue calculation, for example by multiplying forecast units by selling prices and subtracting declining sales of existing products. Then calculate profit using cost-of-sales ratios and fixed-cost assumptions, and connect it to value per share through the share count and chosen multiple. You do not need to compress every detailed calculation onto the page, but retain the two or three most sensitive variables. Rather than copying a price target as the report’s conclusion, add a line showing which changes in assumptions would alter the number.
Reserve the final space for contrary evidence and the next review
Listing many positives while relegating risks to small print turns a summary into promotional copy. Distinguish risks disclosed by the company from weaknesses identified by the analyst, and record the indicators to check in the next earnings release. Before comparing price targets from different reports, align their periods and earnings bases. Analyst opinion does not replace verification of primary material, so retain more than the recommendation rating. When new information arrives, preserve changed assumptions and their reasons rather than overwriting the old summary. This helps distinguish analytical mistakes from unexpected events.
Worked example
Hypothetical example: At the top of the page, record confirmed revenue of KRW 100 billion, operating profit of KRW 10 billion, and an operating margin of 10%. In the middle, use the analyst’s assumptions of next-year revenue of KRW 110 billion and an 11% margin to calculate forecast operating profit of KRW 12.1 billion. Also show a conservative case of KRW 100 billion in revenue at an 8% margin, giving KRW 8 billion. Neither figure is net income, so do not divide them directly by the share count and use the result as EPS. At the bottom, list the cost-of-sales ratio and new orders as the next items to check, and state that valuation will be completed after verifying interest, taxes, and the share count.
What to check
- Distinguish the reporting period from the analysis and share-price reference dates.
- Label disclosed facts, company forecasts, and analyst estimates.
- Check for missing steps between operating profit and EPS.
- Reserve space for contrary evidence and the next sources to check.
Sources and primary materials
This is educational material about research methods. For an actual company decision, verify the filings and primary sources for the relevant period.