Euronext Athens. 

Hellenic Exchanges - Athens Stock Exchange SA (HEXEY) is a fundamental player in the Greek financial landscape, providing essential infrastructure and services to the nation's capital market. The company is responsible for the operation and management of several trading venues, including exchanges for equities, derivatives, and an alternative market segment. Its purview also extends to critical post-trade operations, such as performing clearing and settlement activities for executed trades. HEXEY manages intricate clearing systems, functions as a central counterparty, and oversees the finalization, reconciliation, and settlement processes for financial instrument transactions. This includes its role as the system administrator for the Athens Exchange Clearing House. Additionally, HEXEY delivers comprehensive central securities depository (CSD) services along with various auxiliary and supplementary offerings. Its full spectrum of services encompasses listing new financial instruments, facilitating trading, conducting clearing and settlement, maintaining registries, and ensuring regulatory compliance. Founded in 1876, the organization maintains its headquarters in Athens, Greece. It officially adopted its current name, Hellenic Exchanges - Athens Stock Exchange SA, in December 2013, having previously been known as Hellenic Exchanges S.A.