The December contract on the FTSE/ASE Large Cap index was trading at a discount of 0.82 pct in the Athens Derivatives Exchange on Monday. Volume on the Big Cap index totaled 765 contracts with 5,349 open positions in the market, while volume in futures contracts on equities totaled 34,101 contracts with investment interest focusing on National Bank’s contracts (16,087), followed by Alpha Bank (5,796), Piraeus Bank (1,241), Eurobank (7,668), MIG (730), OTE (376), PPC (512), Viohalco (314), Mytilineos (451), Intralot (148) and Attica Bank (100).