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market-sizing

Estimate market size using TAM, SAM, and SOM methodologies.

Updated Mar 16, 2026
Search Tags:#market analysis#market sizing#sam#som#tam#growth projection
One-click install
npx skills add https://github.com/runchr-com/pm-skills-gemini --skill market-sizing-runchr-com
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: market-sizing
Source: https://github.com/runchr-com/pm-skills-gemini/tree/main/.gemini/skills/market-sizing
Command: npx skills add https://github.com/runchr-com/pm-skills-gemini --skill market-sizing-runchr-com

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 Definition: Clearly defines the boundaries of the market being analyzed.
  • Top-Down & Bottom-Up Estimation: Employs both methodologies for robust market sizing.
  • Growth Projections: Forecasts market evolution over the next 2-3 years.
  • Assumption Mapping: Identifies and surfaces key assumptions and risks.
  • Use Case: When evaluating a new product idea, use this Skill to quantify the potential market opportunity for investors or internal stakeholders.

Quick Start

Use the market-sizing skill to estimate the market size for a new AI-powered customer support platform in the US.

Frequently Asked Questions about market-sizing

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

FAQPage Schema
How do I estimate market size using TAM, SAM, and SOM methodologies?▼

Market sizing combines top-down and bottom-up approaches to estimate TAM, SAM, and SOM. Top-down uses industry reports for total market share, while bottom-up calculates serviceable and obtainable markets from unit economics and competitor data.

What is the difference between top-down and bottom-up market sizing?▼

Top-down market sizing estimates total addressable market from broad industry reports downward, while bottom-up builds estimates upward from unit economics and customer segments. Combining both approaches validates market opportunity assumptions and growth projections.

How do I calculate TAM, SAM, and SOM for an investor pitch?▼

Calculate TAM, SAM, and SOM for an investor pitch by defining market boundaries, applying top-down and bottom-up estimation, and forecasting growth projections over 2-3 years. Surface key assumptions and risks to validate the market opportunity data.

What data do I need for accurate market sizing and growth projections?▼

Accurate market sizing requires current market data, industry reports, and competitor information to validate assumptions. This data feeds top-down and bottom-up methodologies for reliable TAM, SAM, SOM calculations and 2-3 year growth projections.

Can I use market sizing for a new product launch in a specific region?▼

Market sizing evaluates new product opportunities by defining regional market boundaries and estimating addressable segments. It calculates SAM and SOM based on localized competitor data and current market reports to quantify the potential opportunity.

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