market_sizing

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

Updated Mar 8, 2026
One-click install
npx skills add https://github.com/Osirs/pm-skills-sc --skill market-sizing-osirs
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: market_sizing
Source: https://github.com/Osirs/pm-skills-sc/tree/main/.trae/skills/market-sizing
Command: npx skills add https://github.com/Osirs/pm-skills-sc --skill market-sizing-osirs

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps estimate the Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM) for a product or business. It aids in evaluating market opportunities, preparing investor pitches, and strategic planning.

Core Features & Use Cases

  • Market Definition: Clearly defines the market boundaries, customer segments, and geographical scope.
  • Top-Down & Bottom-Up Estimation: Employs both approaches for robust market sizing.
  • SAM & SOM Calculation: Differentiates between the market that can be served and the market that can realistically be captured.
  • Growth Forecasting: Predicts market evolution over 2-3 years.
  • Assumption Mapping: Identifies and lists all underlying assumptions and risks.
  • Use Case: A startup founder needs to present the market potential for their new SaaS product to investors. This Skill can generate a comprehensive market sizing report, including TAM, SAM, and SOM, backed by data and clear assumptions.

Quick Start

Use the market_sizing skill to estimate the market size for a new AI-powered productivity tool targeting remote workers in North America.

Frequently Asked Questions about market_sizing

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

FAQPage Schema
What is the difference between TAM, SAM, and SOM in market sizing?

TAM, SAM, and SOM in market sizing represent the Total Addressable Market, Serviceable Available Market, and Serviceable Obtainable Market. This framework separates total market demand, the segment you can serve, and the realistic market share you can capture.

How do I estimate market size for a new product?

To estimate market size for a new product, apply both top-down and bottom-up approaches. This process calculates market boundaries, forecasts growth over 2-3 years, and identifies key assumptions and risks to provide a structured financial outlook for strategic decision-making.

Can I use TAM, SAM, SOM calculations for an investor pitch presentation?

TAM, SAM, SOM calculations are ideal for an investor pitch presentation. They provide a structured financial outlook by defining market boundaries, forecasting growth, and mapping underlying assumptions, which supports market entry assessments and demonstrates market opportunity to investors.

Does top-down or bottom-up market sizing work better for strategic planning?

Both top-down and bottom-up market sizing are employed together for robust strategic planning rather than choosing one. Using both approaches validates market opportunity estimates, forecasts growth over 2-3 years, and identifies key assumptions and risks for strategic decision-making.

How are market growth forecasts and risks identified during market opportunity analysis?

Market growth forecasts and risks are identified during market opportunity analysis by predicting market evolution over 2-3 years and explicitly mapping all underlying assumptions. This identifies potential constraints and provides a structured financial outlook for market entry assessments.