成本支撑仍存 PTA或震荡偏强运行

Group 1 - Short-term PTA is expected to show a strong oscillating trend due to cost-driven factors, increased export stocking, and improved terminal demand [1][3] - The recent PX price has risen significantly, with the PX and naphtha price spread (PXN) exceeding $260 per ton, leading to improved profitability for industry players [1] - PTA social inventory decreased to 3.7316 million tons, down by 149,700 tons week-on-week, continuing a downward trend since March [1] Group 2 - The operating rate of downstream polyester is expected to remain around 91% to 92%, with a slight decline in production due to weak demand and inventory accumulation [2][3] - New production capacities from companies like Hong Kong Petrochemical and Helen Petrochemical are expected to be launched between June and August, potentially leading to inventory accumulation in July [2] - The overall supply-demand structure for PTA remains favorable, supported by strong cost support and continued foreign purchasing [1][3]