What does the price assume? Pull the levers.
A valuation is a story told in numbers. Pick a story, move a lever, and see what the company is worth under it, beside its price.
Tie each driver to a sentence of the story: market size and share to revenue, the business model to margin and to capital needed, safety to cost of capital. If a number and the story disagree, change one of them and say which.
After Damodaran, Valuation Part I: Discounted Cash Flow Valuation, Spring 2026, slide 267.
isn't on the site yet. Here's .
Base year and price as of the post, .
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The base year: where every story starts
Each number links to the filing it comes from; hover or tap a label for its source and date.
Why the marks?
After year ten
The story's ending: how fast it grows forever, what new investment earns, and its risk once it's mature. marks where the engine starts without a choice.
Show the sheet: every year, line by line
| Year |
|---|
| Revenue growth |
| Revenue |
| Operating margin |
| Operating income |
| Tax rate |
| Operating income after tax |
| Reinvestment |
| Free cash flow |
| Cost of capital |
| Discount factor |
| Present value |
| Return on capital |
Value of operating assets , of which from after year ten; less debt ; plus cash ; equity ; less options ; per share . In millions, except per share.
Base year and stories checked against the post of . Read the full valuation
Why it matters
The author's own rule, from their valuations.
Run this on any company, with your story. You say what you believe about the company and change it as you learn. The system brings the filings, the base year and the arithmetic, and asks you about the parts of your story that need a reason. Nothing is valued until you approve it.
The questions come from 112 rules like the ones above.
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368 S&P 500 companies in our data, from the scan of November 12, 2026. The tool shows the few whose valuations a person has checked.
How it works
- Start from the company's own filings: ten years of margins, adjusted for R&D and leases, with every number dated.
- You tell the story, and each part of it becomes a lever: growth, margin, reinvestment and risk.
- You change the story where its numbers need a reason, and approve it. Only then is it valued, and the arithmetic is the engine's, never a guess.