The June contract on the FTSE 20 index was trading at -0.74 pct in the Athens Derivatives Exchange on Thursday, with turnover shrinking to a low 19.078 million euros. Volume on the Big Cap index totaled 4,747 contracts worth 14.557 million euros, with 33,864 short positions in the market. Volume in futures contracts on equities totaled 9,447 contracts worth 4.521 million euros, with investment interest focusing on National Bank’s contracts (4,306), followed by Eurobank (948), OTE (996), Alpha Bank (879), Marfin Popular Bank (336), Cyprus Bank (400), Hellenic Postbank (113) and MIG (231).