What is Market Capitalization?
Market Capitalization (Market Cap) is the total market value of a company's outstanding shares. It's the simplest way to gauge the size of a company.Market Cap = Current Share Price × Total Number of Outstanding Shares
For example, if a company has 100 crore shares outstanding and each share trades at ₹500, its market cap is ₹50,000 crore (₹500 billion).
SEBI's Classification for Indian Stocks
The Securities and Exchange Board of India (SEBI) officially classifies stocks into three categories based on their market capitalization ranking:
Large Cap (Top 100 companies)
These are the biggest companies in India by market value. Think Reliance Industries, TCS, HDFC Bank, Infosys, and ICICIBANK. They are listed in the Nifty 50 and Nifty Next 50 indices. Characteristics: - Well-established businesses with decades of track record - Lower volatility — prices move steadily, not wildly - Regular dividend payments - Higher liquidity — easy to buy and sell large quantities - Ideal for: Conservative investors, retirement portfolios, SIPsMid Cap (Rank 101 to 250)
Mid-cap companies are the "sweet spot" — they've proven their business model but still have significant room to grow. Examples include Persistent Systems, Coforge, Voltas, and Crompton. Characteristics: - Higher growth potential compared to large caps - Moderate volatility — can have sharper moves during market corrections - Emerging market leaders in their niche - Ideal for: Investors with a 5-7 year horizon who can tolerate moderate riskSmall Cap (Rank 251 and below)
Small caps are early-stage or niche companies with high growth potential but also high risk. Many of today's large caps (like Titan, Page Industries) were once small caps. Characteristics: - Highest growth potential — can deliver multi-bagger returns - Very high volatility — can drop 30-50% during bear markets - Lower liquidity — difficult to exit large positions quickly - Less analyst coverage — potential for finding hidden gems - Ideal for: Aggressive investors with a 7-10 year horizonWhy Market Cap Matters for Your Portfolio
Diversification Strategy
A well-balanced portfolio typically includes a mix of all three categories:| Investor Type | Large Cap | Mid Cap | Small Cap |
|---|---|---|---|
| Conservative | 70-80% | 15-20% | 5-10% |
| Moderate | 50-60% | 25-30% | 15-20% |
| Aggressive | 30-40% | 30-35% | 25-30% |
Market Cap and Risk
As a general rule: the smaller the market cap, the higher the risk AND reward potential. During bull markets (2020-2021), small caps can outperform large caps by 2-3x. But during bear markets (early 2020), they can fall much harder and take longer to recover.Common Misconceptions
"Low share price = small cap"
Wrong. Share price alone doesn't determine market cap. A company with a ₹10 share price but 1,000 crore shares outstanding has a market cap of ₹10,000 crore — that's a mid cap! Similarly, MRF trades above ₹1 lakh per share but is a mid-cap company because it has fewer shares outstanding."Large cap = no growth"
Wrong. Large caps like Bajaj Finance and Titan have delivered 15-20% annual returns over the past decade while being large-cap stocks. The growth is more steady and predictable, which is exactly what many investors prefer.Explore by Market Cap on TheKaasu
Use our collections page to filter stocks by market capitalization categories. You can also compare any two stocks using our comparison tool to see how their market caps, valuations, and growth rates stack up side by side.