Indonesia Stock Exchange (Indonesian: Bursa Efek Indonesia) is a stock exchange based in Jakarta, Indonesia. It was previously known as Jakarta Stock Exchange (JSX) before its name changed in 2007 after merging with Surabaya Stock Exchange (SSX). As end of 2012, the Indonesia Stock Exchange had 462 listed companies with a combined market capitalisation of $426.78 billion. In mid September 2016, based on Single Identification Number there are 500,037 domestic investors which 487,713 are retail investors and 12,324 are institutional investors