Bulgarian Stock Exchange AD, together with its subsidiaries, operates as a stock exchange in Bulgaria. It operates through Trading in Financial Instruments, Information Services, Registration and Maintenance of Issues for Trading Regulated Market, and Electricity Trade segments. The company offers T7, an electronic trading system for cash market trading in equities and various other instruments, including exchange traded funds, exchange traded products, mutual funds, bonds, warrants, certificates, and subscription rights; and BSE indices, such as SOFIX, BGBX40, BGTR30, and BGREIT. The company also publishes its daily bulletin on every trading day after the end of the trading session that contains summarized trading data, as well as provides market data to data-vendors in standard information packages, which are developed for corporate clients comprising information agencies, investment intermediaries, and issuers. In addition, it offers X3 News, a media that enables public companies and other issuers of securities to meet their legal obligations for disclosure of information regulated by the POSA; and X3Analytics for financial analysis. The company was incorporated in 1991 and is based in Sofia, Bulgaria.