The Tel Aviv Stock Exchange Ltd. engages in trading and clearing securities transactions. The firm's main function is to approve the issue of diverse types of securities and to supply necessary facilities for trading in securities and clearing transactions, including trade data and announcements. The firm operates through its wholly owned subsidiaries: The TASE Clearing House Ltd (TASE-CH) that is engaged primarily in the clearing and settlement of securities, other than derivatives, and providing services as a Central Securities Depository, as well as The MAOF Clearing House Ltd (MAOF-CH) that is engaged primarily in issuing options and futures (derivatives) and providing clearing services for these derivatives.