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. It was founded in 1876. There are currently five markets operating in ATHEX: regulated securities market, regulated derivatives market, Alternative market, carbon market (for EUAs) and OTC market. In the regulated securities market investors can trade in stocks, bonds, ETFs and other related securities. On the stock exchange 172 stocks are currently traded representing 166 companies.
ATHEX has over 30 indices. The six main indices are: Composite Index (GD), FTSE/Athex Large Cap (FTSE, also known as FTSE 25), FTSE/Athex Mid Cap Index (FTSEM), FTSE/Athex Market Index (FTSEA), FTSE/ATHEX Global Traders Index Plus (FTSEGTI) and FTSE/ATHEX Factor-Weighted Index (FTSEMSFW). The Athens Composite index started trading in 1980, its High 6355.04 set on 17 September 1999. The Athens stock exchange was closed on 27 June 2015 because of the Greek government-debt crisis. 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.
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.