Market sizing

Market Sizing Practice

Turn intimidating "how big is the market?" questions into clean, defensible estimates — one assumption at a time.

What you'll practice

Built for real case interviews

  • Structure any estimate into a logical assumption chain
  • Practice stating and defending reasonable assumptions
  • Get scored on structure, assumptions, math, and realism
  • Cover consumer, healthcare, tech, and creative markets
Sample prompt

Estimate the annual market size for electric-vehicle charging stations in California.

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