Philadelphia Stock Exchange that the tax was illegal, and the PHLX moved its trading floor back to its headquarters in the city. In 1981, the exchange moved to 19th and Market, where it stayed until 2017 when it moved to its current location in the newly built FMC Tower. The exchange merged with the Baltimore Stock Exchange in 1949. The exchange was then named the Philadelphia-Baltimore Stock Exchange. The Baltimore Stock Exchange then migrated out of its Baltimore Stock Exchange Building, later renamed the Totman Building, to a new home base in Philadelphia. The exchange merged with the Washington Stock Exchange in 1954.
National Stock Exchange (Jersey City, New Jersey) The other, associated with the New York Mercantile Exchange, traded from March 7, 1962 to January 31, 1975. National Stock Exchange (Jersey City, New Jersey) The National Stock Exchange (NSX) is an electronic stock exchange based in Jersey City, New Jersey. It was founded March 1885 in Cincinnati, Ohio, as the Cincinnati Stock Exchange. In 1995 it moved headquarters to Chicago, Illinois, and it was renamed the National Stock Exchange in 2003. After demutualizing in 2006, it moved headquarters to Jersey City. In 2011, CBOE Stock Exchange acquired the National Stock Exchange, with both exchanges operating under separate names. The