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.
New-York Mining Stock and National Petroleum Exchange New-York Mining Stock and National Petroleum Exchange The National Petroleum Exchange was a resource exchange in New York City founded in 1882. In 1883 the National Petroleum Exchange and the New York Mining Stock Exchange were consolidated, becoming the New-York Mining Stock and National Petroleum Exchange. After several other exchange mergers with competitors, the exchange became the Consolidated Stock and Petroleum Exchange of New York, which in 1885 became the Consolidated Stock Exchange of New York. On December 18, 1882, the National Petroleum Exchange was opened. Sales that day equated to 150,000 barrels. On March 24, 1883, the New-York Mining