First incorporated as East Pakistan Stock Exchange Association Ltd on 28 April 1954 and started formal trading in 1956. It was renamed as East Pakistan Stock Exchange Ltd on 23 June 1962. Again renamed as Dacca Stock Exchange Ltd on 13 May 1964. After the liberation war in 1971 the trading was discontinued for five years. In 1976 trading restarted in Bangladesh, on 16 September 1986 DSE was started. The formula for calculating DSE all share price index was changed according to IFC on 1 November 1993. The automated trading was initiated on 10 August 1998 and started on 1 January 2001. A Central Securities Depository System was initiated on 24 January 2004.