Bursa Efek Indonesia (BEI), or the Indonesia Stock Exchange, is the main stock exchange in Indonesia. Established in 1977, it facilitates the buying and selling of stocks, bonds, and other securities. The exchange plays a crucial role in the country's economy by providing a platform for companies to raise capital and for investors to trade financial instruments. The BEI operates under the supervision of the Financial Services Authority (OJK) and aims to promote fair and transparent trading practices. It has grown significantly over the years, attracting both domestic and international investors, and is an essential component of Indonesia's financial market landscape.