Ereğli Demir ve Çelik Fabrikaları T.A.Ş., commonly known as Erdemir or referred to through its market shorthand Ereğli hisse, is officially listed and traded on Borsa Istanbul, which serves as the principal securities market of Turkey. As one of the largest integrated steel producers in the country and a heavyweight constituent of major Turkish stock indices, its shares are heavily traded by domestic and international investors seeking exposure to the industrial manufacturing and metallurgical sectors in Eastern Europe and Western Asia.