On January 15, the PVC market in Linyi opened higher but closed lower. After surging and then falling back, the futures market showed a weak and volatile trend. Following the futures market, the spot market declined after the midday break. As of 2:00 p.m., dealer quotations remained largely unchanged compared to the previous day. Market sentiment was moderate, with decent trading activity. Currently, the mainstream quotation for calcium carbide-based PVC type 5 is in the range of 4,600–4,650 yuan per ton.