Market Capitalization: A Detailed Guide

Market Capitalization: A Detailed Guide
Nakla Team
Fintech Group
Jun 29, 2022
Mins Read
Last Updated
Feb 8, 2023
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When examining a publicly listed firm and determining whether to buy part of its stock, you should not rely exclusively on the value of one share. To better understand how the market values the firm, consider its market capitalization, or "market cap."

This article will walk you through market capitalization in detail. So, let's get started without further adieu.

What is Market Cap?

Market capitalization, often known as Market Cap, is a term used to quantify a firm's market worth pertaining to the current share price and an overall number of remaining shares. It is the essential quality of a firm and helps potential investors understand the dangers of dealing in the firm's stocks.

It is crucial to analyze in detail about the market capitalization, particularly for investors while developing a long-term investment strategy. This can assist them in selecting the apt shares to invest in. Changing market circumstances and stock values also influence the assessment of a firm when this evaluation procedure is being utilized. 

Moreover, analyzing the worth and risk associated with the organization also assists the investors in making a balanced investment. This is distributed across shares from different firms.

Why is Market Cap Important?

Market capitalization is significant because it helps prospective buyers to grasp the real worth of firms. Moreover, it indicates the relative size of one business to another. It assists investors in predicting the future development of a company's stock market cap. This indicates what the market is prepared to pay for the shares.

With a greater understanding of the market capitalizations of different enterprises, investors may make more educated selections about the sorts of equities they would like in their portfolios based on their investing goals. Large, mid, and small cap companies have the capacity to lead the markets over time since they are influenced by economic developments. Hence, investors seek to maintain a broad portfolio that includes a well-balanced blend of these three sorts of companies.

How to calculate Market Cap?

Follow these steps to apply the equation for calculating market cap:

Analyze the Outstanding Shares

To use the equation, determine the total number of outstanding stocks the firm offers in its first public offering. Such outstanding shares represent the entire amount of preferred stocks to stockholders. This includes block stocks obtained via investment companies and limited stocks owned by the top business.

Explore the Market Price for Each Share

Stock market values can vary virtually constantly, causing the market cap to fluctuate as well. Consider the most recent pricing worth for one unit of preferred shares for determining the market cap.

Although market values vary substantially, the current market cap valuation is sufficient to provide an outline of the market cap. Say the rate of one of the 7,500,000 shares in the technological company from the preceding example is $500. This replaces the individual stock price in the calculation.

Multiply the Values in the Formula

After you've determined the stock value and the overall number of outstanding shares, combine these figures in the calculation. The outcome is the market cap, which can provide information about the size and worth of the firm under consideration. Compute the market capitalization of the prior technological business using the current valuation of $500 and 7,500,000 shares outstanding:

Let's now look at the formula:



MC stands for Market Capitalization.

N stands for the outstanding shares.

P stands for closing stock of every share of the company.

Hence, as per the example taken,

Market cap = 7,500,000 x $500 = $3,750,000,000

Levels of Market Cap

As capitalization indicates a monetary value that can differ enormously, several categories and accompanying notations exist to classify market cap categories. The following are the most popular capitalization conventions.

Large Cap:

Large-cap corporations are often steady, reliable, well-established enterprises with a high market share. They have a market capitalization of $10 Billion or higher. The risk is minimal when you invest in large-cap stocks due to their low turbulence compared to other equities. However, the unfavorable fact is that these equities' upside potential is likewise limited.


Mid-cap equities have market capitalizations ranging from $2 to $10 billion, placing them between large and small corporations. Mid-cap firms frequently have made significant headway in developing effective business models. This provides investors with some steadiness and security against potential issues that smaller businesses may encounter. Though with some track history, mid-caps may have the difficult job of outperforming, or even disrupting, larger and better-funded large-cap rivals in order to achieve their own financial potential.

Mid-cap equities are not all growth stocks. They might be firms that run in a narrower sector with limited growth opportunities. Also, they could be previous large-caps that have dropped due to changes in market conditions or industry upheaval.

Mega Cap:

Businesses with a market capitalization of $200 billion or more are considered mega-caps. They are the largest publicly listed corporations in terms of market capitalization and symbolize a specific industrial area or market leaders. This category is only open to a small number of businesses.

For instance, Apple had a market valuation of $2.9 trillion, making it the top corporation globally. On the other hand, the online store (AMZN) comes in second at $1.6 trillion.


Small-cap stocks are those with market capitalizations that range from $300 million to $2 billion. Businesses with market capitalizations of less than $300 million are included in this category, while most consider such to be micro-cap equities.

They are often growth stocks or entrants who put their foot underneath them and aim to make a big splash. Though small-cap companies have consistently outperformed the market, many fall short of expectations.

Small-cap market cap stocks are more unstable than large-cap companies. This means there is a greater possibility of loss in the near term. These companies usually are best bought as a diverse group over time to avoid such risks.


Micro-cap firms are broadly penny stocks; this group includes businesses with market capitalizations ranging from $50 million to $300 million. For example, a few pharma businesses with no viable product and creating medicine for an incurable ailment, may be registered with a low valuation and minimal trading volumes.

Nano Cap:

Likewise, publicly listed firms having a market capitalization of less than $50 million are called nano-cap or micro-cap. Nano-cap firms are among the riskiest to trade in, but they are also gaining prominence.


Market cap (market capitalization) which is a statistic used to ascertain the cost of a publicly listed corporation. While market capitalization does not tell you all you need to know before investing in a business, it may help you understand its worth. Moreover, you can classify your assets, address risks, and simply diversify your portfolio.

Market Capitalization FAQs

Is market cap a good indicator?

Yes, the market cap is a good indicator. The market capitalization of a firm represents its overall market worth. It displays its value to investors. Hence, it indicates corporations' sizes, functions, and resources. These criteria assist you in determining the possible risk and reward associated with investing in a firm.

How does market cap affect stock price?

The market capitalization and stock price are alternative ways of presenting the same data. Any modification in one causes an immediate impact on the other. Consider the market cap to be the total number of outstanding units multiplied by a company's stock valuation. The share price may alternatively be thought of as the market capitalization divided by the number of outstanding shares.

How to calculate share price from the market cap?

To calculate the share price from the market cap, you require to divide market capitalization by the organization's total number of investor stocks (i.e., the variance between the total number of assets and liabilities).

Market cap volume is a valuable indicator of a company's entire value as perceived by the market. As numerous organizations have varying numbers of stocks present for trading, the market cap gives an apples-to-apples assessment irrespective of an organization's stock price.

Is a high market cap or low market cap good?

The large-cap market cap seems to be more established corporations. They are less unstable during market downturns as traders flock to competence and become more risk-averse. Small and midcap equities may be less expensive for shareholders than large-cap stocks, but they also offer higher price fluctuation.

What is a good market cap for a stock?

Everything is a question of perception. At times, small-cap companies can beat giant equities, but they are riskier or even more unstable investments. When a firm becomes vast, it may no longer be as agile or able to capitalize on emerging growth prospects. Simultaneously, large caps are often required to pay dividends to shareholders and are more dependable investments.

Is market cap the same as valuation?

No, the market cap is not the same as the valuation. You can get and derive the market cap by multiplying the outstanding equities of a firm by the latest stock price. On the other hand, valuation has become more ambiguous and sophisticated, with several measures and multiples like price-to-earnings, price-to-sales, and return-on-equity being used to evaluate it.

Nakla Team
Nakla Team

Nakla team aims to provide their customers with all the latest happenings in the financial market and keep them updated with trending terminologies. We have the resources that help you upgrade your investment game and make your investment journey seamless.