石化行业周报：原油关注地缘，PTA关注反内卷进展-20251117

Investment Rating - The industry investment rating is "Strongly Outperforming the Market" and is maintained [1]. Core Viewpoints - The report highlights the geopolitical factors affecting crude oil pricing and emphasizes the importance of OPEC+ future policies. It also focuses on the progress of PTA's anti-involution efforts and the ongoing elimination and upgrading of outdated facilities in the petrochemical industry [2]. - The petrochemical index performed well this week, increasing by 2.29% compared to the previous week, with oilfield services showing the best performance within the sector, rising by 5.23% [3][2]. Summary by Sections Crude Oil - Crude oil prices increased, with Brent crude futures closing at $64.49 per barrel, up by 1.4% from the previous week. U.S. crude oil inventories rose, along with gasoline inventories [7][9]. - The latest data indicates that U.S. crude oil and petroleum product inventories (excluding strategic reserves) increased by 2,524 thousand barrels, while total inventories (including strategic reserves) rose by 3,322 thousand barrels [13]. Polyester - The prices of polyester filament yarn increased, with POY, DTY, and FDY prices reported at 6,600, 7,850, and 6,830 yuan per ton, respectively, showing price differences that increased by 135, 85, and 165 yuan per ton compared to last week [16]. - Inventory days for polyester filament yarn in Jiangsu and Zhejiang varied, with FDY, DTY, and POY at 18.9, 23.8, and 12.2 days, respectively. The operating rate for filament yarn and downstream weaving machines decreased by 1.5% [19]. Olefins - The report notes that sample prices for polyolefins showed a slight decline, with current prices for PE and PP at 7,590 and 8,050 yuan per ton, respectively, reflecting a decrease of 1.43% for PE [25]. - The total petrochemical inventory for polyolefins was reported at 640,000 tons, down by 25,000 tons from the previous week [25].