PTA2026年一季度存在累库预期 基差继续上行的空间有限

Group 1 - The core viewpoint of the articles indicates that the oil price is under pressure due to high U.S. crude oil production and expectations of the end of the Russia-Ukraine conflict, despite some support from U.S. sanctions on Venezuelan oil and ongoing conflicts before peace talks [1] - In the PX market, the overall supply remains high with domestic PX plant operating rates stable at 88.1% as of December 12, and Asian PX plant operating rates increasing to 79.3% due to the restart of facilities in Saudi Arabia and Japan [1] - The PTA supply is expected to tighten in December, with significant maintenance at several plants leading to a reduction in supply, while the average operating rate of polyester plants remains high at over 91% due to strong domestic and external demand [2][3] Group 2 - The PTA balance sheet is projected to decrease by 200,000 tons in December, with the PTA basis strengthening from -75 yuan/ton to -20 yuan/ton since mid-November, indicating a shift in market dynamics [2] - Despite some plants scheduled to restart at the end of December, the potential for unplanned maintenance increases due to low PTA processing margins, and the seasonal decline in terminal demand is expected to lead to inventory accumulation in Q1 of the following year [3] - The overall PTA market is not facing a shortage, but the space for further increases in the PTA basis is limited, and there is a possibility of a temporary decline in prices due to seasonal demand fluctuations [3]