OREANDA-NEWS. On 25 June 2008 was announced, that for the week of June 16th – June 20th, 2008 the total trading volume on FORTS (Futures & Options on RTS) equaled 228,5 bln. roubles or 4,3 mln. contracts, including 15,1 bln. roubles during the evening trading session. The total open interest as of the last day of the week, June 20th, 2008 reached 212,7 bln. roubles or 5,8 mln. contracts.