Shanghai International Energy Exchange data showed crude oil futures' main contract for October 2026 delivery closed at 576.50 yuan/barrel on Aug 27, up 12.00 yuan, or 2.13%. Total trading volume across all contracts reached 208,498 lots, with open interest rising 1,766 lots to 78,001 lots. The main contract saw volume of 166,524 lots, with open interest down 88 lots to 41,699 lots.