what is the new york stock exchange nyse 
the new york stock exchange nyse is a stock exchange located in new york city that is the largest equities based exchange in the world based on the total market capitalization of its listed securities formerly run as a private organization the nyse became a public entity on march 8 2006 following the acquisition of electronic trading exchange archipelago 1 in 2007 a merger with euronext the largest stock exchange in europe led to the creation of nyse euronext which was later acquired by intercontinental exchange inc ice the current parent of the new york stock exchange 2understanding the new york stock exchange nyse located on wall street in new york city the new york stock exchange also known as the big board consists of one trading floor for equities and another for the nyse american options exchange the main building located at 18 broad st and the one at 11 wall st were both designated historical landmarks in 1978 3the nyse relied for many years on floor trading only using the open outcry system many nyse trades have transitioned to electronic systems relying mainly on designated market makers to conduct both the physical and automated auctions quotes offered by dmms are on par with what floor traders and other market participants offer currently the nyse is open for trading monday through friday from 9 30 a m to 4 00 p m et the stock exchange is closed on certain u s holidays when these fall on a saturday the nyse is sometimes closed the preceding friday when holidays fall on a sunday the nyse may be closed the following monday 4the nyse is the world s largest stock exchange by total market capitalization of listed companies which is estimated to be 24 6 trillion as of mid 2022 5the nyse s opening and closing bellsthe 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 the closing bell is rung at 4 00 p m et closing trading for the day but trading days did not always begin and end with a bell the original signal was actually a gavel during the late 1800s the nyse changed the gavel to a gong the bell became the official signal for the exchange in 1903 when the nyse moved to 18 broad st 6prior to 1995 the exchange s floor managers rang the bells but the nyse began inviting company executives to ring the opening and closing bells on a regular basis which later became a daily event the executives are from companies listed on the exchange who sometimes coordinate their appearances with marketing events such as the launch of a new product or innovation or a merger or acquisition sometimes other public figures such as athletes and celebrities ring the bell some of the more notable figures to ring it include singer actor liza minnelli olympic medalist michael phelps and rapper snoop dogg in july 2013 united nations secretary ban ki moon rang the closing bell to mark the nyse joining the u n sustainable stock exchanges initiative 7the new york stock exchange passed the milestone of one million shares traded in a single day in 1888 by 2022 more than five billion shares were changing hands on the nyse during a normal business day 8history of the nysethe new york stock exchange dates back to may 17 1792 on that day 24 stockbrokers from new york city signed the buttonwood agreement at 68 wall st the new york stock exchange kicked off with five securities which included three government bonds and two bank stocks 9thanks to the nyse s head start as the major u s stock exchange many of the oldest publicly traded companies are on the exchange consolidated edison ed is the longest listed nyse stock joining in 1824 as the new york gas light company 10 along with american stocks foreign based corporations can also list their shares on the nyse if they adhere to certain listing standards 11a series of mergers has given the new york stock exchange its massive size and global presence the company started as nyse before merging with the euronext and adding the american stock exchange 12 nyse euronext was purchased in an 11 billion deal by the intercontinental exchange ice in 2013 13 the following year euronext emerged from ice via an initial public offering ipo but ice retained ownership of the nyse 14a few notable dates in the nyse s historywho owns the new york stock exchange the nyse was acquired by the intercontinental exchange ice group in 2013 13