market-sizing
Market Sizing
TAM/SAM/SOM framework for estimating addressable market and validating opportunity size.
Definitions
| Metric | Definition | Question It Answers |
|---|---|---|
| TAM | Total Addressable Market — everyone who could possibly buy | "What's the theoretical ceiling?" |
| SAM | Serviceable Addressable Market — segment you can actually reach | "What can we realistically target?" |
| SOM | Serviceable Obtainable Market — realistic share in 3 years | "What will we actually capture?" |
+-------------------------------------------------------+
| TAM |
| +---------------------------------------------------+ |
| | SAM | |
| | +-----------------------------------------------+| |
| | | SOM || |
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