Small Cap Stock

Public company with a market cap from $300 million to $2 billion

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What is a Small-Cap Stock?

A small-cap stock is a stock of a publicly-traded company whose market capitalization ranges from $300 million to approximately $2 billion. The word “cap” in this term refers to a company’s market capitalization.

The classification between small, mid, and large-cap companies is subjective and can vary among brokerages and market analysts.

How to Calculate Market Cap

Market capitalization is determined by the number of shares outstanding of a company multiplied by the current share price.

Small Cap Stock

Small-Cap Stock vs. Penny Stock

It is worth distinguishing between small-cap stocks and penny stocks. Most small-cap stocks are penny stocks. The share price of small-cap stocks can easily go above $5 each ($5 is the cut-off for penny stocks as determined by the SEC). In addition, small-cap stocks demonstrate higher liquidity relative to penny stocks.

Investing in Small-Cap Stocks

Every investor can easily add some small-cap stocks to his/her portfolio. However, as with any other type of investment, there are pros and cons of investing in small-cap stocks.

The advantages of investing in small-cap stocks are:

1. Growth potential

Relative to bigger companies, small-cap companies show significantly higher growth potential. Most small-cap companies enjoy a larger room for future growth compared to large-cap companies, making them attractive options for investors.

From Figure 1 below, the relative returns of small-cap indices such as S&P 600 and Russell 2000 significantly outperform the S&P500 index returns. For small-cap companies, it is easier to grow significantly their operational and financial base than is the case for most large-cap stocks.

Small Cap Indices

Therefore, picking the right small-cap stock can turn into a profitable investment.

2. High probability of inefficiencies in the market

Information about the small-cap stocks is harder to find compared to large and mid-cap companies. Analysts typically give little attention to these companies; thus, there is a high probability of improper pricing of small-cap stocks. This situation creates vast opportunities for investors to leverage the inefficiencies in market pricing and earn a great return on their investments.

3. Financial institutions do not push prices up

Financial institutions, including mutual and hedge funds, should comply with certain regulations that do not allow them to invest heavily in small-cap stocks. For this reason, it is unlikely that the stock price will be artificially pushed up because of large investments from major financial institutions.

Nevertheless, there are some disadvantages of investing in small-cap stocks:

1. High risk

Investing in small-cap stocks involves higher risk. First, small-cap companies may have an unreliable and faulty business model. In this case, if the company’s management is not able to adjust the business model, it will result in poor operational and financial results.

In addition, small-cap companies usually have less access to new capital and new sources of financing. Due to this reason, it is more likely that the company will not be able to bridge gaps in its cash flows or expand the business because of the inability to undertake the necessary investments.

2. Low liquidity

Small-cap stocks are less liquid than their large counterparts. Low liquidity results in the potential unavailability of the stock at a good price to purchase or it may be difficult to sell the stocks at a favorable price. Low liquidity also adds to the overall risk of the stock.

3. Time-consuming

Investing in small-cap stocks can be a time-consuming activity. Due to the under-coverage of small-cap stocks by financial institutions and analysts, the amount of available research on small-cap companies is usually limited.

An investor who is willing to invest in small-cap stocks should spend a substantial amount of time researching a company to determine whether the investment is reasonable.


Small-cap stocks should not be viewed as fraudulent or low-quality investments. On the contrary, small-cap stocks may provide investors with an opportunity to earn a substantial return on their investments. However, this type of investing should be approached with caution as small-cap stocks are often risky and volatile.

Related Readings

CFI is the official provider of the Capital Markets & Securities Analyst (CMSA)™ certification program, designed to transform anyone into a world-class financial analyst.

In order to help you become a world-class financial analyst and advance your career to your fullest potential, these additional resources will be very helpful:

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