GTM World Model/ Glossary /Market sizing

Reference · A1 definitional volume

Market sizing

3 terms. Market sizing and segmentation.

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Market sizing · 3

  • Market Opportunity The size and attractiveness of the opportunity plus the competitive landscape — how big is it and who else is serving it. C1
  • Market Segmentation Dividing the market into groups (by firmographics, behavior, need) so messaging and motion can be targeted rather than sprayed. C1
  • TAM / SAM / SOMTotal / Serviceable / Serviceable-Obtainable Addressable Market Nested market-sizing measures. TAM = total demand if you owned 100%. SAM = the slice your model can actually serve. SOM = the slice you can realistically capture near-term. C1
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