---
canonical_url: https://www.stockexpertai.com/learn/market-cap
doc_version: "1.0"
title: "What is Market Cap? Mega, Large, Mid, Small, Micro Explained"
description: "Learn what market capitalization means, how to calculate it, and the difference between mega-cap, large-cap, mid-cap, small-cap, and micro-cap stocks."
---

# What is Market Cap? Mega, Large, Mid, Small, Micro Explained

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> **Disclaimer:** Not financial advice. Educational purposes only.

## What is Market Cap? Stock Size Categories Explained

Learn what market capitalization means, how to calculate it, and the difference between mega-cap, large-cap, mid-cap, small-cap, and micro-cap stocks.

## Quick Answer

Market cap equals stock price times shares outstanding. It classifies stocks as mega ($200B+), large ($10-200B), mid ($2-10B), small ($300M-2B), or micro ($50-300M).

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## Disclaimer

All content on Stock Expert AI is for educational and informational purposes only. Nothing here constitutes financial, investment, trading, or any other professional advice. Users should consult qualified financial advisors before making investment decisions.

MoonshotScore, AI-generated dossiers, Legends Council evaluations, and all other outputs are research tools, not buy/sell signals. Stock Expert AI is not a registered investment advisor. Data is sourced from third-party providers and may contain errors or delays.

For the latest interactive version, visit [https://www.stockexpertai.com/learn/market-cap](https://www.stockexpertai.com/learn/market-cap).