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market-sizing

Estimate TAM, SAM, and SOM using top-down and bottom-up methodologies.

Updated Mar 15, 2026
Search Tags:#market analysis#market sizing#TAM#SAM#SOM#growth forecasting
One-click install
npx skills add https://github.com/bowiemax/pm-skills --skill market-sizing-bowiemax
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: market-sizing
Source: https://github.com/bowiemax/pm-skills/tree/main/pm-market-research/skills/market-sizing
Command: npx skills add https://github.com/bowiemax/pm-skills --skill market-sizing-bowiemax

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps estimate the Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) for a product, providing crucial data for strategic decisions.

Core Features & Use Cases

  • Market Sizing: Calculate TAM, SAM, and SOM using both top-down and bottom-up approaches.
  • Growth Forecasting: Project market size evolution over the next 2-3 years.
  • Assumption Mapping: Identify and validate key assumptions and risks.
  • Use Case: When evaluating a new market opportunity, use this Skill to quantify the potential revenue and understand the realistic market share achievable.

Quick Start

Use the market-sizing skill to estimate the market size for a new AI-powered productivity tool targeting small businesses in North America.

Frequently Asked Questions about market-sizing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I estimate TAM, SAM, and SOM for investor pitches and market entry evaluations?▼

To estimate TAM, SAM, and SOM for investor pitches, analyze industry data and competitor information to define market boundaries. Apply top-down and bottom-up methodologies to forecast future potential and quantify realistic market share.

What is the best way to calculate market size using top-down and bottom-up approaches?▼

Calculating market size involves comparing top-down industry data with bottom-up competitor information. This dual methodology validates key assumptions, defines market boundaries, and projects future market size evolution over the next 2-3 years.

When do I need market opportunity assessment and growth forecasting for a new product?▼

You need market opportunity assessment and growth forecasting when evaluating new market potential. This process calculates Total Addressable Market and Serviceable Obtainable Market to quantify achievable revenue and identify key risks for strategic decisions.

Can I use market sizing methodologies to project market size evolution for small businesses?▼

Yes, market sizing methodologies project market size evolution for small businesses by mapping and validating key assumptions. This forecasts growth over 2-3 years and defines the realistic Serviceable Obtainable Market share achievable.

What are the limitations of market sizing for market opportunity assessment?▼

Limitations of market sizing include dependency on accurate industry data and competitor information. The forecast requires validating key assumptions and risks, meaning incomplete market boundaries can skew the Total Addressable Market and growth projections.

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