设置预警

日期	收盘价	涨跌幅	成交量
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-06	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130
2026-06-05	4744.0	-0.82%	353,130

品种	最新价	涨跌幅	成交量
乙二醇 EG	4432.0	-1.09%	120,192
玻璃 FG	1011.0	-0.69%	372,433
塑料 L	7890.0	-0.23%	134,458
甲醇 MA	2904.0	+0.35%	204,913
聚丙烯 PP	8695.0	-0.01%	174,588
纯碱 SA	1160.0	-0.94%	276,953
PTA TA	6304.0	+0.93%	320,052

PVC（聚氯乙烯）是大连商品交易所上市品种。PVC主要用于管材型材（占比约50%，建筑排水管、门窗）和薄膜。电石法是中国PVC的主流工艺路线（占比约80%），电石价格和电力成本是PVC的核心成本变量。PVC需求与房地产开工高度相关（管材用于建筑安装），因此PVC被视为黑色的延伸品种——螺纹钢的远端替代需求指标。

乙二醇 4432.0 玻璃 1011.0 塑料 7890.0 甲醇 2904.0 聚丙烯 8695.0 纯碱 1160.0 PTA 6304.0