The September contract on the FTSE/ASE Large Cap index was trading at a discount of 0.26 pct in the Athens Derivatives Exchange on Thursday. Volume on the Big Cap index totaled 7,645 contracts with 9,160 open positions in the market. Volume in futures contracts on equities totaled 261,289 contracts with investment interest focusing on National Bank’s contracts (158,393), followed by Alpha Bank (19,453), Piraeus Bank (9,530), Eurobank (17,240), MIG (26,112), OTE (1,083), PPC (6,491), ADMIE (2,750), OPAP (1,889), Hellenic Exchanges (198), Viohalco (1,646), Mytilineos (3,270), Hellenic Petroleum (2,770), Motor Oil (179), GEK Terna (607), Ellaktor (3,103), Jumbo (675), Piraeus Port (187), Intralot (947), Intracom (735), Athens Water (201), Terna Energy (917) and Cenergy (1,371).