deanpeters/tam-sam-som-calculator
Project market size with real-world data and citations
by deanpetersFree
Description
tam-sam-som-calculator is an interactive skill that sizes a market by calculating Total Addressable Market (TAM), Serviceable Available Market (SAM) and Serviceable Obtainable Market (SOM) for a product idea. It asks adaptive questions about the context and builds market size estimates backed by citations, economic projections and population data, with explicit assumptions, methods and caveats. The output is meant to be defensible for investors, budget decisions and product-market fit checks. It is useful when an executive will question a business case, when the team's market assumptions need to be explicit and open to challenge, and when a top-down guess needs replacing with a defensible bottom-up estimate. Example requests include a market size for a business case that a CFO will test closely, and rebuilding a TAM figure that came from an unsourced slide. You pass the product idea and the market constraints as arguments. The estimated time is 20 to 40 minutes, and the skill sits in the market intelligence theme of the product-manager-skills repository on GitHub.…
Highlights
- TAM, SAM and SOM calculations
- Adaptive questions for the market
- Citations, projections and population data
- Explicit assumptions, methods and caveats
- Estimated 20 to 40 minutes
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deanpeters/tam-sam-som-calculator FAQ
What does it calculate?
Total Addressable Market, Serviceable Available Market and Serviceable Obtainable Market.
How does it support the numbers?
The skill uses real-world citations, economic projections and population data, and states its assumptions and caveats.
What if the TAM came from an unsourced slide?
The skill can rebuild the estimate so it is sourced and defensible.
What inputs does it need?
The product idea and the market constraints, as arguments.
How long does it take?
The skill estimates 20 to 40 minutes.
What are the best deanpeters/tam-sam-som-calculator alternatives?
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