New York Stock Exchange

Big Board
Entity Type
Founding Date

The New York Stock Exchange is the world’s largest securities exchange, based on the volume of market capitalization it trades. It provides a marketplace for buying and selling 9.3 million corporate stocks and other securities a day. Formerly run as a private organization, the NYSE became a public entity in 2005 following the acquisition of electronic trading exchange Archipelago. Its ticker symbol is NYSE:ICE.

  • The NYSE lists 82% of the S&P 500, 90% of the Dow Jones Industrial Average, and 70 of the world's largest corporations. 
  • On June 3, 2013, the NYSE shareholders approved its $8.2 billion purchase by Intercontinental Exchange.
  • The New York Stock Exchange uses two methods of trading: brokers and all-electronic.
  • Regardless of the method of exchange, all stock transactions are an auction.
  • The opening and closing bells of the exchange mark the beginning and end of the trading day.
  • The opening bell is rung at 9:30 a.m. ET and at 4:00 p.m. ET the closing bell is rung—closing trading for the day.