The Athens Stock Exchange (ASE or ATHEX; Greek: Χρηματιστήριο Αθηνών (Χ.Α.

), Chrimatistírio Athinón) is the stock exchange of Greece, based in the capital city of Athens.

[citation needed] Athens Stock Exchange fully owns ATHEXCSD, a central securities depository.

[7] The Athens stock exchange was closed on 27 June 2015 because of the Greek government-debt crisis.

[8] It reopened on 3 August 2015 and lost more than 16% in the day's trading with certain bank stocks plummeting 30%, the daily change limit.

[9][10] On 23 August 2023, the company formed EuroCTP as a joint venture with 13 other bourses, in an effort to provide a consolidated tape for the European Union, as part of the Capital Markets Union proposed by the European Commission.

Until 2007, the exchange was located on Sofocleous Street, in the central business district of Athens.

[12] The Athens Composite index started trading in 1980,[13] its High 6355.04 set on 17 September 1999.