Shanghai International Energy Exchange data showed crude oil futures' main contract for October 2026 delivery closed at 596.50 yuan/barrel on Aug 28, up 22.80 yuan, or 3.97%. Total trading volume across all contracts reached 195,135 lots, with open interest rising 4,457 lots to 82,458 lots. The main contract saw volume of 153,166 lots, with open interest up 1,781 lots to 43,480 lots.