Fuel oil +1.26% to ¥5,058/t; asphalt -1.54% to ¥5,319/t — signaling divergent regional logistics stress. East China port tank utilization hits 92%; demurrage surges $1,200/day to $18,500. Spot inter-port arbitrage now unprofitable: freight + demurrage + storage ≥ ¥365/t.