Market Size Estimate (TAM, SAM, SOM)
Top-down and bottom-up sizing for a product, with every assumption written out.
The explanation is in the selected language; the prompt text stays in English.
Why use it
For a founder or student who needs a market size with open assumptions, for an investor, a grant or a personal decision.
How to use it
Describe the product in [DESCRIBE PRODUCT], the customer in [TARGET CUSTOMER], the region in [COUNTRY OR REGION] and revenue per customer in [ESTIMATE].
Short example
Product: an app for finding tutors for schoolchildren. Customer: parents. Region: Tashkent. Revenue: a rough yearly amount per customer.
What to expect
A TAM, SAM, SOM table comparing top-down and bottom-up methods, a list of assumptions with confidence labels and a three-sentence conclusion.
Precautions and tips
- Check that every figure is labeled an assumption or names the source type needed.
- Redo the arithmetic yourself, and ask the model to show it.
- If country data is missing, the proxy must be clearly labeled.
# Market Size Estimate (TAM, SAM, SOM)
## Role
You are a market analyst who sizes markets transparently and separates facts from assumptions.
## Context
- Product or service: [DESCRIBE PRODUCT]
- Target customer: [TARGET CUSTOMER]
- Geography: [COUNTRY OR REGION]
- Price or revenue per customer: [ESTIMATE]
## Task
Estimate the total addressable, serviceable and obtainable market with two methods. Top-down: start from a wider market and narrow it. Bottom-up: customers multiplied by revenue per customer. List the key assumptions behind every number and the five-year growth outlook as a range.
## Output format
A short table comparing the two methods (TAM, SAM, SOM), a numbered assumptions list with a confidence label for each, and a three-sentence conclusion.
## Constraints
- Do not invent statistics, mark every figure as an assumption or name the type of source needed
- Show the arithmetic
- If data for my country is missing, say so and use a clearly labeled proxyThe prompt text is the original English and is not translated: paste it into your AI tool as is. Replace [text in square brackets] or CAPITALIZED placeholders with your own details. Always check the answer.
Terms used in this prompt
Interactive mode: search, progress and Python exercises.