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Dow Jones Industrial Average

By Jeremy Bowman – Updated Jun 10, 2022 at 3:03PM

What is the Dow Jones Industrial Average Stock Index?

The Dow Jones Industrial Average (DJINDICES:^DJI) is a stock index that tracks 30 of the largest U.S. companies. Created in 1896, it is one of the oldest stock indexes, and its performance is widely considered to be a useful indicator of the health of the entire U.S. stock market. The Dow Jones Industrial Average index is managed by S&P Dow Jones Indices, a joint venture majority-controlled by the financial information and analytics company S&P Global (NYSE:SPGI).

The Dow Jones Industrial Average does not include just industrial stocks, but also stocks from most sectors and industries, except for utilities and transportation, which are measured by other indexes which are specific to those fields.

According to S&P Global, the Dow Jones Industrial Average is a "world-renowned gauge of the U.S. equity market." Most Dow Jones Industrial Average-listed companies trade on the New York Stock Exchange.

The word Index against a background of colored stripes.
Image Source: Getty Images

Can you buy Dow Jones stock?

You can’t buy stock in the Dow Jones Industrial Average itself, but you can get exposure to the Dow and the companies included in the index. Your investment options include:

  1. Buy shares of all 30 companies included in the Dow Jones Industrial Average. With only 30 companies in the index, it's possible to directly purchase each stock in the Dow. Most brokers don't charge commissions on trades, and many allow fractional share investments, meaning you can buy partial shares. This investment alternative requires you to manage 30 separate stocks and make changes to your portfolio whenever the index changes (although, historically, the index only changes every couple of years).
  2. Buy shares in a Dow-focused ETF. Exchange-traded funds that track the Dow's performance, such as the SPDR Dow Jones Industrial Average ETF (NYSEMKT:DIA), will get you invested in the 30 companies listed in the Dow. Buying shares in an ETF is simpler than investing in 30 separate companies, and you are not obligated to make changes to your portfolio when the companies listed by the Dow change. As with most ETFs, an annual expense ratio -- a management fee -- is assessed by this ETF. The expense ratio of 0.16% works out to a fee of $1.60 per year for every $1,000 invested.
  3. Invest in Dow options or futures contracts. You can buy Dow options contracts through the CBOE Global Markets (NYSEMKT:CBOE) options exchange and Dow futures contracts using the CME Group's (NASDAQ:CME) Chicago Mercantile Exchange. These types of securities are best suited for experienced investors since trading options and futures can be risky.

For novice investors who want portfolio exposure to a wide range of sectors through familiar large-cap stocks, the companies of the Dow Jones Industrial Average represent a good starting point for your research. That’s especially true if you’re seeking to invest in blue chip companies, which are generally the most stable and profitable on the market.

A brief history of the Dow Jones Industrial Average

The Dow Jones Industrial Average was established on May 26, 1896, by Charles Dow, who founded Dow Jones & Company -- parent company of The Wall Street Journal -- in 1882 with fellow journalists Edward Jones and Charles Bergstresser.

Initially, the Dow Jones Industrial Average was an index of 12 companies. Most were industrial companies such as General Electric (NYSE:GE). Over time, as the focus of the index shifted from measuring the performance of the heavy industrial sector to gauging the health of the entire U.S. stock market, the number of stocks in the index expanded. The index has been tracking 30 companies since 1928.

Companies in the Dow Jones Industrial Average

The Dow Jones Industrial Average tracks the stocks of these 30 companies:

  1. 3M (NYSE:MMM)
  2. American Express (NYSE:AXP)
  3. Amgen (NASDAQ:AMGN)
  4. Apple (NASDAQ:AAPL)
  5. Boeing (NYSE:BA)
  6. Caterpillar (NYSE:CAT)
  7. Chevron (NYSE:CVX)
  8. Cisco Systems (NASDAQ:CSCO)
  9. Coca-Cola (NYSE:KO)
  10. Disney (NYSE:DIS)
  11. Dow (NYSE:DOW)
  12. Goldman Sachs (NYSE:GS)
  13. Home Depot (NYSE:HD)
  14. Honeywell International (NYSE:HON)
  15. IBM (NYSE:IBM)
  16. Intel (NASDAQ:INTC)
  17. Johnson & Johnson (NYSE:JNJ)
  18. JPMorgan Chase (NYSE:JPM)
  19. McDonald's (NYSE:MCD)
  20. Merck (NYSE:MRK)
  21. Microsoft (NASDAQ:MSFT)
  22. Nike (NYSE:NKE)
  23. Procter & Gamble (NYSE:PG)
  24. Salesforce (NYSE:CRM)
  25. Travelers (NYSE:TRV)
  26. UnitedHealth Group (NYSE:UNH)
  27. Verizon (NYSE:VZ)
  28. Visa (NYSE:V)
  29. Walmart (NYSE:WMT)
  30. Walgreens Boots Alliance (NASDAQ:WBA)

How is the value of the Dow Jones Industrial Average calculated?

Most stock market indexes are weighted by market capitalization -- equal to share price times the number of shares outstanding -- but the Dow Jones Industrial Average is price-weighted. The value of the Dow Jones Industrial Average is calculated by determining the average value of the stock prices of the 30 listed companies. However, calculating that average value is not as simple as totaling the 30 stock prices and dividing by 30.

Mergers, spinoffs, stock splits, and other developments complicate the arithmetic and require a committee to formally determine a "Dow divisor" -- the denominator by which the sum of the 30 share prices is divided. As of June 2022, the Dow divisor was 0.151728. Using this divisor, you can calculate the value of the Dow Jones Industrial Average by adding up the share prices of all 30 Dow companies and dividing that amount by 0.151728.

Any change in the share price of any Dow-listed company affects the value of the index equally, in accordance with Charles Dow's original vision. But it’s important to realize that, on a percentage basis, the movements of the highest-priced stocks have the greatest impact on the index's value.

For example, as of June 1, 2022, the highest-priced stock on the Dow was UnitedHealth Group, trading at $490.35. The lowest-priced stock was Walgreen Boots Alliance, trading at $42.90. Since UnitedHealth's stock price is 11.4 times greater than Walgreen’s, Walgreen’s share price would have to change by 11.4% to have the same impact on the Dow as a change of just 1% in the price of UnitedHealth stock.

An infographic comparing the origins of and types of stocks in the Dow Jones Industrial Average, the S&P 500 and the Nasdaq.
Source: The Motley Fool

The Dow Jones Industrial Average vs. the S&P 500 and the Nasdaq Composite

The Dow Jones Industrial Average is just one of three major indexes that many investors use to measure the performance of the stock market. The other two are the S&P 500 (SNPINDEX: ^GSPC) and the Nasdaq Composite (NASDAQINDEX: ^IXIC).

The S&P 500 is an index of 500 large-cap stocks that are chosen using certain criteria, such as market cap and profitability, by a committee of the S&P Dow Jones Indices. The Nasdaq index tracks more than 2,500 stocks, or almost every stock traded on the Nasdaq Exchange.

Unlike the Dow, the S&P 500 and the Nasdaq are market capitalization-weighted, meaning that the most valuable companies influence index values the most. Both the S&P 500 and the Nasdaq are more heavily weighted toward technology stocks than the Dow, and the Nasdaq has the most tech exposure of all three indexes.

The stocks of tech giants such as Amazon (NASDAQ:AMZN), Alphabet (NASDAQ:GOOGL) (NASDAQ:GOOG), Meta (formerly Facebook) (NASDAQ:META), and Tesla (NASDAQ:TSLA) aren’t included in the Dow, but they are major components of the S&P 500 and the Nasdaq. The Dow underweights the tech sector and is more weighted than its peers toward cyclical sectors such as financial services and heavy industry. Despite the differences, the Dow and the S&P 500 tend to perform similarly.

Most professional investors focus on the performance of the S&P 500 because it includes a broad range of stocks and is weighted by market cap, which is a more accurate way to measure the overall health of the stock market. The Dow Jones Industrial Average may not be as comprehensive or precise as the S&P 500 or a total market index such as the Wilshire 5000 Total Market Index (NASDAQMUTFUND:WFIVX), but this long-standing index still serves as a good indicator of the stock market’s overall direction and functions as a convenient short list of some of the most powerful companies in the U.S.

Other Major Market Indexes

FAQs

What is the Dow Jones?

The Dow Jones Industrial Average is a stock index that tracks 30 of the largest U.S. companies. Created in 1896, it is one of the oldest stock indexes, and its performance is widely considered as a useful indicator of the health of the entire U.S. stock market.

What are stock market indexes?

A stock market index shows how investors feel an economy is faring. An index collects data from a variety of companies across industries. Together, that data forms a picture that helps investors compare current price levels with past prices to calculate market performance.

What is the S&P 500?

The S&P 500 (also known as the Standard & Poor's 500), a registered trademark of the joint venture S&P Dow Jones Indices, is a stock index that consists of the 500 largest companies in the U.S. It is generally considered the best indicator of how U.S. stocks are performing overall.

JPMorgan Chase is an advertising partner of The Ascent, a Motley Fool company. American Express is an advertising partner of The Ascent, a Motley Fool company. Randi Zuckerberg, a former director of market development and spokeswoman for Facebook and sister to Meta Platforms CEO Mark Zuckerberg, is a member of The Motley Fool's board of directors. John Mackey, CEO of Whole Foods Market, an Amazon subsidiary, is a member of The Motley Fool’s board of directors. Suzanne Frey, an executive at Alphabet, is a member of The Motley Fool’s board of directors. Jeremy Bowman has positions in Amazon, Meta Platforms, Inc., Nike, and Walt Disney. The Motley Fool has positions in and recommends Alphabet (A shares), Alphabet (C shares), Amazon, Apple, Cboe Global Markets Inc, Cisco Systems, Goldman Sachs, Home Depot, Intel, Meta Platforms, Inc., Microsoft, Nike, S&P Global, Salesforce, Inc., Tesla, Visa, and Walt Disney. The Motley Fool recommends 3M, Amgen, CME Group, Johnson & Johnson, UnitedHealth Group, and Verizon Communications and recommends the following options: long January 2023 $57.50 calls on Intel, long January 2024 $145 calls on Walt Disney, long March 2023 $120 calls on Apple, short January 2023 $57.50 puts on Intel, short January 2024 $155 calls on Walt Disney, and short March 2023 $130 calls on Apple. The Motley Fool has a disclosure policy.

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