The December contract on the FTSE/ASE Large Cap index was trading at a discount of 0.40 pct in the Athens Derivatives Exchange on Thursday. Volume on the Big Cap index totaled 1,884 contracts with 7,227 open positions in the market. Volume in futures contracts on equities totaled 46,227 contracts with investment interest focusing on National Bank’s contracts (20,494), followed by Alpha Bank (6,460), Piraeus Bank (4,362), Eurobank (6,447), MIG 92,118), OTE (253), PPC (520), ADMIE (400), OPAP (135), Hellenic Exchanges (110), Viohalco (278), Mytilineos (1,125), Hellenic Petroleum (352), Ellaktor (256), Jumbo (146), Intralot (1,676), Athens Water (237), Folli Follie (266), Cenergy (112) and Attica Bank (304).