石化行业周报：关注反内卷，优供给、淘汰落后产能的进展-20250721

Investment Rating - Industry investment rating: Stronger than the market, maintained [1] Core Viewpoints - Focus on the progress of phasing out outdated capacity and upgrading in the petrochemical industry [2] - The petrochemical index performed relatively well this week, closing at 2272.55 points, up 1.13% from last week [5] - The best performer within the petrochemical sector was oil extraction III, which rose by 2.83% [3][5] Summary by Sections 1. Oil Market - Energy prices have shown a slight decline; as of July 18, Brent crude futures and TTF natural gas futures closed at $69.33 per barrel and €33.71 per MWh, down 1.4% and 5.3% respectively [8] - U.S. crude oil inventory increased by 9,346 thousand barrels to 1,255,837 thousand barrels, while total inventory (including strategic reserves) rose by 9,046 thousand barrels to 1,658,540 thousand barrels [12] 2. Polyester - The price of polyester filament has decreased, with POY, DTY, and FDY prices at 6,550, 7,800, and 6,800 yuan per ton respectively, showing mixed changes in price spreads [17] - The inventory days for polyester filament in Jiangsu and Zhejiang increased, with FDY, DTY, and POY inventory days at 25.6, 30.7, and 25.4 days [22] 3. Olefins - Sample prices for polyethylene (PE) and polypropylene (PP) remained stable at 7,700 and 8,200 yuan per ton, with a total petrochemical inventory of 770,000 tons, an increase of 40,000 tons from last week [26]