DEFINITION of 'Trading Session'

A period of time consisting of one day of business in a financial market, from the opening bell to the closing bell. Within the time frame of the trading session, all orders for the day must be placed, and buyers and sellers both participate in setting current market prices.

BREAKING DOWN 'Trading Session'

The investor's concept of the trading session has broadened in the past decade as after-hours markets, ECN exchanges and other technologies have entered the marketplace. This increased access to the markets and information can overwhelm an individual investor with news, but long-term investors know that tuning out the day-to-day noise of the stock market is a key element of success.

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RELATED FAQS
  1. What does "after the bell" mean?

    "After the bell" is financial slang for activity occurring after the close of the stock market, including after-hours trading, ... Read Answer >>
  2. What is the history behind the opening and closing bells on the NYSE?

    Similar to the school bells that most of us heard during our school days, the New York Stock Exchange's (NYSE) opening and ... Read Answer >>
  3. Why don't stocks begin trading at the previous day's closing price?

    Most stock exchanges work according to the forces of supply and demand, which determine the prices at which stocks are bought ... Read Answer >>
  4. What is the best time of the day to trade?

    Unlike traditional investing, trading, or day trading, has a very short-term focus. Analysis may be broken down to days, ... Read Answer >>
  5. How can my stock's price change after hours, and what effect does this have on investors? ...

    Most investors know that the major stock exchanges have standard trading hours - set periods of time each day when trading ... Read Answer >>
  6. Why are the bid and ask quotes usually so far away from each other in after-hours ...

    After-hours trading is defined as the exchange of securities outside of an exchange's specified regular trading hours (usually ... Read Answer >>
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