The Athens Stock Exchange or ASE or ATHEX (Greek:Χρηματιστήριο Αθηνών or ΧΑΑ) is a stock exchange located in Athens, Greece. There are 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.