Indonesia Stock Exchange (IDX) is a stock exchange based in Jakarta, Indonesia. It was previously known as the Jakarta Stock Exchange (JSX) before its name changed in 2007 after merging with the Surabaya Stock Exchange (SSX). In recent years, the Indonesian Stock Exchange has seen the fastest membership growth in Asia. As of January 2024, the Indonesia Stock Exchange had 903 listed companies, and total stock investors were about 6.4 million, compared to 2.5 million at the end of 2019. Indonesia Market Capitalization accounted for 45.2% of its nominal GDP in December 2020. Founded on 30 November 2007, it is ASEAN's largest market capitalization at US$744 billion as of 15 December 2023.

Jakarta, officially the Special Capital Region of Jakarta and formerly known as Batavia until 1949, is the nation's capital city and the centre of the largest metropolis of Indonesia. Lying on the northwest coast of Java, the world's most populous island, Jakarta is the largest metropole in Southeast Asia, and serves as the diplomatic capital of ASEAN. Jakarta is bordered by two provinces: West Java to the south and east; and Banten to the west. The Special Capital Region has a status equivalent to that of a province. Its coastline faces the Java Sea to the north, and it shares a maritime border with Lampung to the west. Jakarta's metropolitan area is ASEAN's second largest economy after Singapore.