Market Capitalization: Meaning, Importance & Formula

Dipping your foot in something new might always be quite unnerving. So many new terms to learn, so many new concepts and ideas. Then the lurking fear of possible failure. But there is also quite as rewarding as finally learning and mastering a new craft.Starting off investing in the stock market is very much the same too. Except, despite the risks involved, getting the hang of investment also has the potential to earn you large monetary returns. With investing, it is important to learn to pick the right company to invest in. And one great way to do that is by looking at the company’s ‘market cap’.‘Market Cap’ or ‘Market capitalization’ is one of the most basic investment concepts one can start off learning and a great way tell you a lot about what to expect if you're planning to buy a stock.

Market capitalization, generally called market cap, is a measure used to determine the total value of a publicly traded company. It is calculated by multiplying the company's current share price or the market price of the shares by the total number of outstanding shares.Market capitalization represents the market's impression of a company's worth. Once a company goes public and its shares start trading on the exchange, the price of the shares on the daily basis is decided by the demand and supply of the shares in the market. If the demand is high, it means investors trust the company and the share price goes up and vice versa. So, the subsequent change in the market cap of the company becomes a real-time indicator of the company’s worth.Market cap in the stock market is used to categorize companies into different size categories such as large-cap, mid-cap, and small-cap. These categories can help newer as well as experienced investors decide on which companies, they want to invest in based on their risk appetite and their goals.

Market cap in the stock market is a measure of a company's worth in the open market. It is considered one of the best and most easily available measures of a company’s size and it can tell you a lot about what to expect if you're planning to buy stock.Generally speaking, large companies with a higher market cap are considered to be more stable and mature companies. They have proven themselves over time and grown through a lot of difficult market conditions. Due to this, they have been able to withstand headwinds and can emerge even stronger. But the growth prospects for these large entities tend to be bounded as they have already established themselves in the broader market.By contrast, medium and smaller companies with respective levels of market cap still have a lot of room to grow. One should note that companies with smaller market caps tend to be riskier when compared to large mature and well-established companies. This is because they may be relatively newer to the market and their business models haven't yet been proven in the long run. This results in their odds of failure being higher than big and large well-established companies.

Market cap isn't just some random number; it's influenced by a bunch of things that can make it go up or down. Here's the lowdown on the factors at play:

• Stock Price Swing: If a company's stock price is fluctuating, its market cap moves with it. A soaring stock price gives a nice boost to the cap, while a slide can bring it down.
• Shares in the Mix: The more shares a company has floating around, the higher the market cap gets. It's like a popularity contest where the more the merrier.
• Investor Sentiment: Think of market cap as a litmus test for companies. Good news, positive outlook, more investors jumping on board – cap goes up. Shaky faith, investor hesitation – cap heads down.
• Financial Performance: How a company is doing on the earnings playground matters. Strong profits and growth can inflate the market cap, while losses might deflate it.
• Industry Trends: Sometimes the market cap movement is all about the industry’s mood. If a whole sector is on fire, caps might inflate together. If the sector outlook is down, they could all take a hit.
• Economic Factors: Big economic shifts can play puppeteer with market caps. Like, a recession can make them shrink collectively, while a boom can make them bloom.

The market cap of a company is calculated by multiplying the current market price of the shares of the company by the total number of shares of said company.MC = N x SPMC: Market cap N: Total number of shares SP: Selling price of the sharesSo, for example, if company ABC Ltd has 50,000 outstanding shares with selling price ₹150, the market cap of the company would be calculated as:50,000×15 = ₹75,00,000This was about what market capitalization means, now let's look at the various types of market capitalization of a company represents. Here is a quick look at the categories companies are divided into based on their market cap:

Let’s understand more about these categories in detail.

1. Large-cap stocks

Large-cap stocks have market caps of ₹7,000 crores up to ₹20,000. Most of the big companies in the world are Large-cap stocks. Most large-cap companies have mature businesses and generate considerable amounts of revenue. They often earn significant profits and have a large, sizable market share within their industries.They are most of the time market leaders in their fields. They're also more likely than smaller companies to pay higher dividends to their shareholders because their businesses tend to produce greater amounts of available cash.But large-cap companies have already experienced and undergone their period of maximum growth. As a result, even successful large-cap companies that pay healthy dividends and whose shares have gone up in value consistently will only sometimes be able to match the massive returns that smaller companies can achieve.

2. Mid-cap stocks

Midcap stocks have market caps in the range of ₹500 crores to ₹7,000 crores, occupying the middle ground between large and small-cap companies. Midcap companies are large enough to have made considerable progress in building up successful business models, and that gives their investors some stability and protection against future challenges that the company will face.However, they're small enough that they still give investors a longer runway for future growth than a large-cap stock. That said, midcaps also face the difficult task of trying to catch up and surpass their larger rivals in their industries, and they often don't have as many financial resources to do so.It's important when investing in midcap stocks to know their history. Some midcap companies are still in their high growth phase, while others have reached their full potential in a relatively small niche industry of limited size. Still, others are older companies that used to be large caps but have had their businesses lose steam. Any of these can be good investments under the right circumstances, but they have very different characteristics in terms of growth potential, dividend, income, and valuation.If you're looking in the midcap space, ideally, you're buying companies that are still posting impressive growth and gaining market share. Those are the kinds of businesses that ultimately become large-cap companies and reward shareholders along the way.

3. Small-cap stocks

Small-cap stocks have market capitalizations of ₹500 crores and below. Small-cap companies tend to be younger than large caps or mid-caps , and they also have a much shorter operating history as a business. Small caps often have considerable growth potential, but investors in small caps face a lot more uncertainty about their future.In many cases, small caps must give tough competition to much larger competitors to stake their claim within a given industry. And for every small company that succeeds, many fail over time. Small-cap stocks have historically produced higher average returns than large-cap stocks, but their performance has been more volatile along the way. That requires small-cap investors to have a greater risk tolerance than those who concentrate on more extensive stocks. Those with long time horizons can typically weather the ups and downs of small-cap stocks and therefore have a better chance of enjoying the reward of greater returns.If you want to read more about how Large-cap, Mid-cap and small-cap stocks differ from each other, click here.

Market cap categorizes companies, and it also helps us compare them apples to apples.Let's take two companies, Company A and Company B. Company A has a stock price of ₹30 and shares of Company B trade for ₹20. Now, which one is the more valuable company?You can't know without also knowing how many shares each company has outstanding. Say Company A has 100 crore shares outstanding and Company B has 200 crore shares outstanding. Hence, Company B is a bigger company. Even though its share price is lower, it just happens to have sliced up ownership of the business in more ways.That's why the market cap is a far better indication of where a company sits than the share price, and why it's important to know the size of a business you're buying before you buy it.

Let's dive into the numbers game that can help you decode the market cap maze. Here are some ratios that are like little secret agents whispering insights in your ear:

• Price-to-Earnings Ratio (P/E) : This ratio tells you how much you're paying for each rupee you earn. A low P/E might mean a sweet deal, while a high one could mean you're paying a premium.
• Price-to-Book Ratio (P/B) : Think of this as a price tag on a company's book value. A low P/B could mean you're getting a discount on assets, while a high one might indicate potential overvaluation.
• Dividend Yield : This one's for the income seekers. It's the dividend paid out per share divided by the stock price. Higher yields mean more cash in your pocket.
• Earnings Per Share (EPS) : EPS indicates how much value each share pulls in. Rising EPS is usually a thumbs-up, but it may not always mean the same thing. Considering EPS along with other factors to make sense of it is always adviseable.
• Debt-to-Equity Ratio : This ratio is like checking a company's financial health. High debt? It might be risky business. Low debt? It's a healthier play.
• Return on Equity (ROE) : It's like peeking at a company's productivity diary. ROE tells you how well the company uses shareholder equity to fund their activities.
• Growth Ratios : Keep an eye on these as these are important and a good indicator of growth. They show how fast a company is growing its sales or profits. More growth, more returns!
• Current Ratio : This is the "emergency fund" of ratios. It tells you if a company can cover its short-term bills. Higher ratio? More financial security.

Also read: ROE Vs ROCE – Difference Between ROE (Return on Equity) and ROCE (Return on Capital Employed)

Market cap or the ‘Market capitalization’ of a company is the total value of all the outstanding shares of the company in the market. It is calculated by multiplying the selling price of the shares to the total number of shares. Because the prices of shares are affected by the demand and supply of the shares, the market cap represents the collective sentiment of the market towards the company. Companies are classified into large-cap, mid-cap and small-cap companies based on their market cap.Most investors find that having a diversified portfolio that includes large-cap, mid-cap and small-cap stocks lets them tailor their desired return and risk levels to their specific wishes.If you want your portfolio to be more stable, then you want a larger allocation to large-cap stocks. Those who want greater amounts of current income will also typically gravitate to large-cap stocks because they tend to be the dividend payers.By contrast, if you don't need much income and your primary goal is to have your portfolio grow as much as it can over many years, then you'll likely want to make larger investments in small and midcap stocks. In case you have a high-risk tolerance, you can trade in call/ put options under the recommendation of your financial advisor. Also read: What is a Put in Stock Trading?