设置预警

日期	收盘价	涨跌幅	成交量
2026-10-30	5391.0	+2.98%	1,915,897
2026-10-30	5390.0	+2.96%	1,724,054
2026-10-30	5441.0	+3.94%	1,528,128
2026-10-30	5381.0	+2.79%	1,356,639
2026-10-30	5381.0	+2.79%	1,356,639
2026-10-30	5381.0	+2.79%	1,356,639
2026-10-30	5381.0	+2.79%	1,356,639
2026-10-30	5382.0	+2.81%	1,353,318
2026-10-30	5360.0	+2.39%	1,293,738
2026-10-30	5413.0	+3.40%	1,134,796
2026-10-30	5426.0	+3.65%	1,049,658
2026-10-30	5303.0	+1.30%	799,727
2026-10-30	5287.0	+0.99%	673,625
2026-10-29	5226.0	+1.67%	1,171,039
2026-10-29	5243.0	+2.00%	1,106,175
2026-10-29	5256.0	+2.26%	1,025,035
2026-10-29	5211.0	+1.38%	930,948
2026-10-29	5225.0	+1.65%	929,834
2026-10-29	5225.0	+1.65%	929,834
2026-10-29	5225.0	+1.65%	929,834
2026-10-29	5225.0	+1.65%	929,380
2026-10-29	5236.0	+1.87%	841,176
2026-10-29	5229.0	+1.73%	735,697
2026-10-29	5229.0	+1.73%	699,223
2026-10-29	5262.0	+2.37%	593,713
2026-10-29	5207.0	+1.30%	444,189
2026-10-28	5258.0	+5.62%	1,353,385
2026-10-28	5262.0	+5.71%	1,218,161
2026-10-28	5246.0	+5.38%	1,132,099
2026-10-28	5159.0	+3.64%	941,162

品种	最新价	涨跌幅	成交量
玻璃 FG	866.0	+1.64%	1,235,855
塑料 L	9556.0	+2.18%	958,733
甲醇 MA	3480.0	+1.43%	3,291,806
聚丙烯 PP	10433.0	+1.30%	1,547,107
纯碱 SA	967.0	-0.82%	1,416,625
PTA TA	6686.0	+0.12%	1,832,743
PVC V	5293.0	+0.46%	1,802,365

乙二醇是大连商品交易所上市品种，主要用于生产PET聚酯（涤纶纤维、瓶片、薄膜），是PTA的联产品。乙二醇有两条工艺路线：石脑油制乙烯路线（油头，成本受原油影响）和煤制乙二醇路线（煤头，成本受煤价影响）。油头与煤头的成本竞争决定了乙二醇的边际供给量。进口依存度约55%（主要来自沙特、加拿大、新加坡）。

玻璃 866.0 塑料 9556.0 甲醇 3480.0 聚丙烯 10433.0 纯碱 967.0 PTA 6686.0 PVC 5293.0