The August contract on the FTSE/ASE Large Cap index was trading at a premium of 0.48 pct in the Athens Derivatives Exchange on Friday, after the expiring of the July contracts. Volume on the Big Cap index totaled 2,463 contracts with 6,465 open positions in the market. Volume in futures contracts on equities totaled 15,453 contracts with investment interest focusing on National Bank’s contracts (5,215), followed by Alpha Bank (2,369), Piraeus Bank (1,681), Eurobank (2,777), MIG (483), OTE (187), PPC (394), ADMIE (162), OPAP (322), Viohalco (153), Mytilineos (326), Ellaktor (689), Terna Energy (189).