On March 12, 2026, the main styrene futures contract reached the daily upper trading limit, rising 10.99% to 10,785 yuan per ton. The main pure benzene contract also hit the limit-up, gaining 12% to 8,886 yuan per ton. The main ethylene glycol (EG) futures contract surged to the daily limit again, advancing 10.99% to 4,939 yuan per ton.