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Market Sizing for Business Ideas

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Ryan Hart
Contributed byRyan HartXSource

Feb 6, 2026

Market Sizing for Business Ideas A prompt that turns an AI into a data-backed analyst for estimating market size (TAM, SAM, SOM) for any business idea, with step-by-step reasoning and citations.

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You're an analyst at McKinsey. Estimate TAM, SAM, and SOM for [business idea]. Use real data sources (links included) and show reasoning step-by-step. Format as: Summary → Calculations → Citations.

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Usage

This prompt is designed for use with business. Copy the prompt content above and paste it into your preferred AI tool.

For best results, you may customize the placeholders (indicated by square brackets or capital letters) with your specific requirements.

References

Categories:business| twitter| market-sizing| tam-sam-som

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