Market Sizing and Competitive Analysis: TAM, SAM, SOM Explained

In this episode of The Product Handbook, we break down the business fundamentals behind market sizing and competitive analysis — the toolkit every product leader, consultant, and founder should have in their back pocket.You’ll learn:What TAM, SAM, and SOM actually mean — and why these acronyms matter when shaping your product strategyThe two main methods for market sizing: top-down vs bottom-up (and how to avoid common traps in both)How to use market sizing to guide decisions, pitch ideas, and spot gaps in crowded marketsTips for applying this thinking in product roles, case interviews, or strategy sessionsIf you’ve ever stared at a slide with “$30B market opportunity” and wondered how someone got that number — or how you’d build your own — this episode gives you the tools to size up your ideas with confidence.