The Baltimore Stock Exchange was a regional stock exchange based in Baltimore, Maryland. Opened prior to 1881, The exchange's building was destroyed by the Great Baltimore Fire of 1904, and was then located at 210 East Redwood Street in Baltimore's old financial district. In 1918, the exchange had 87 members, with six or seven members at the time serving the United States in World War I. The Baltimore Stock Exchange was acquired by the Philadelphia Stock Exchange in 1949, becoming the Philadelphia-Baltimore Stock Exchange. The Baltimore Stock Exchange Building was sold and renamed the Totman Building.