Bangkok--30 Oct--SET The first trading day of SET50 Options ended with positive feedback from investors and signs of growing interest. SET50 Options’ first trading day met expectations with a respectable 304 contracts traded. As investors become more familiar with the product, trading should increase, TFEX Managing Director Ms. Kesara Manchusree said. Today there were a total of 5,973 derivatives contracts traded, made up of 5,669 futures and 304 options contracts. Of the options contracts, 255 were call options, while the remaining 49 were puts. The top three most active options series will all mature in December 2007. Contracts having a strike price of 660 points (S50Z07C660) were the most active, with 154 traded, followed by 42 with a strike price of 670 points (S50Z07C670), and a final 31 with a strike price of 680 points (S50Z07C680). Turning to trading by investor type, 23.86% were institutional, 70.24% retail and 5.90% foreign investors. The most active brokers were Trinity Polaris Futures, Kim Eng Securities (Thailand) PCL and KGI Securities (Thailand) PCL, respectively. People interested in investing in SET50 Options are invited to visit www.futures-society.com to learn more about the product and join the Lucky with TFEX campaign.