Opening Bell: What it is, How it Works, FAQ

By
Gordon Scott
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Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT).

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Updated May 07, 2022
Reviewed by
Thomas J. Catalano
Thomas Catalano
Reviewed by Thomas J. Catalano
Full Bio

Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a variety of areas including investments, retirement, insurance, and financial planning.

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What Is the Opening Bell?

The opening bell refers to the moment a securities exchange opens for its normal daily trading session. The time and conditions of the opening bell differ from one exchange to another.

The most famous opening bell is the one used by the New York Stock Exchange to signal the start of trading.

Key Takeaways

  • The opening bell represents the start of a regular trading session on an exchange.
  • It is largely symbolic since the majority of trading is electronic and trading is rarely conducted on a physical trading floor.
  • The opening bell gives occasion for exchanges to make news and better market securities during an initial public offering (IPO).
  • Celebrities and visiting dignitaries are often invited to ring the opening bell as a symbolic ritual for traders in the stock market.
  • The NYSE's bell calendar lists all of the people scheduled to ring the opening bell.

Understanding the Opening Bell

Since 1985, the New York Stock Exchange (NYSE) has used the opening bell to start its trading session at 9:30 a.m. Eastern time. At the NYSE there is a physical bell and an automated ringer that sounds at the beginning of each trading day. On the Nasdaq exchange, where this is no physical trading floor, the opening of the market is referred to as the opening bell, but it is symbolic in significance.

Physical trading floors have all but disappeared over the years with the rise of electronic trading. Investors and traders use the term opening bell to describe the opening of a given market. The physical ringing of the opening bell has become a ceremonious event where dignitaries visiting the stock markets or companies that are trading for the first day are given the honor of ringing the bell.

This serves a useful function of drawing attention to the day's trading activities and helps maintain the interest of investors. For this reason, media companies such as CNBC, Fox, and Cheddar have on-location fixtures in the last of the well-known formal, physical trading floors in existence, the NYSE.

Without these media companies having a place to report on the trading session, the exchange would find it hard to justify the continued operation of the trading floor since so much there is automated anyway. Accordingly, the Nasdaq exchange, which was electronic from its inception, has no physical trading floor and has created a media space for the purpose of featuring its opening bell ceremonies.

The first bell was actually a large gong used on the NYSE to officially notify brokers and dealers that it was okay to begin the work of auctioning prices. However, in 1903, the gong was replaced by an electronically operated brass bell. The bell is accompanied by the gavel that is used in conjunction with the closing bell in recognition of 19th century stock calls.

The opening and closing bell can be viewed each day on the the New York Stock Exchange’s website.

The New York Stock Exchange and the Nasdaq Exchange open at 9:30 a.m. Eastern Time and close at 4:00 p.m. Eastern Time, but different exchanges all around the world open at different times of the day. For example, many futures markets have an opening bell followed by a morning and afternoon session. The options markets also tend to have different opening bells depending on the exchange. Traders should be aware of these times before trading in the market.

In the foreign exchange (forex) market, there is no opening bell since the market operates 24 hours a day, six days per week. The start of the trading day, however, is often considered to be 5:00 p.m. Eastern Time until the same time the next day.

The original opening bell at the NYSE was a Chinese gong.

Trading Before the Opening Bell

Many exchanges offer pre-market trading that occurs before the opening bell. During this time, traders and investors who have access to the extended session trading may place trades with one another.

But there are no market specialist or market makers during these hours, and trading is done with limit orders only. Trades must therefore be exact matches in terms of size and offer time. This means that trades made in these hours may take more time to fill and be less efficient in their pricing. As a result fewer traders participate in such sessions.

One notable exception is when earnings announcements are made. If a company announces its quarterly results before the opening bell, then an unusual flurry of activity is likely to take place on that particular stock.

The added participants all rushing to make trades based on the new information means that trading in those moments can occasionally mimic the speed and efficiency of price action that a regular session might provide. This flurry of activity may also occur sporadically based on news that is released overnight or before the opening bell.

While pre-market trading has its advantages, there are several important risk factors. Pre-market trading tends to have less liquidity than trading during regular hours, which means that bid-ask spreads may be wider and price action may be significantly more volatile.

Many pre-market and after-hours traders are also institutional investors trading in mutual funds and hedge funds, which means that retail investors must compete with professionals who are better equipped to work their orders than the average individual investor.

Some markets, such as the forex and cryptocurrency markets, do not have an opening bell. Trading in those markets occurs every day, 24/7.

What Time Is the Opening Bell on Wall Street?

The New York Stock Exchange rings the opening bell at 9:30 AM every day, except weekends and holidays. The Nasdaq opens at the same time, but as an automated market the bell is purely ceremonial.

Why Does the Stock Market Ring the Bell Every Opening and Closing?

The opening and closing bells on the stock market tell traders when they are allowed to start or stop trading. In early stock markets, this role was played by a gavel. In today's world of automated markets, the bell is less important, but it still plays a symbolic role.

Why Do They Clap at the Opening Bell?

The opening bell is an important symbol of the success of the stock market under capitalism, and the privilege of ringing it is often reserved for celebrities or VIPs. Traders often applaud when the market opens, particularly if the person ringing the bell is someone famous or highly accomplished.

What Time Is the Opening Bell for the Nasdaq?

The Nasdaq opens at 9:30 AM on weekdays. Although trading is automatic, the opening bell ritual has strong symbolic importance. Many business people see an opportunity to ring the bell as a chance to build their brands and highlight their companies.

How Do I Find Out Who Rang the Opening Bell Today?

The New York Stock Exchange has a Bell Calendar that lists the people who are invited to ring the opening bell every day. Other stock exchanges may have their own bell calendars as well.

Article Sources
Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in our editorial policy.

  1. New York Stock Exchange. "History of the Bell."

  2. NASDAQ. "Bell Ringing Ceremony."

  3. New York Stock Exchange. "Bell Calendar."

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