大炼化周报：成本端支撑减弱，长丝价格下滑-20251221

1. Report Industry Investment Rating No industry investment rating information is provided in the report. 2. Core View of the Report The report focuses on the weekly data of the large refining and chemical industry, showing that the cost - side support has weakened and filament prices have declined. It also analyzes the price, profit, inventory, and other indicators of different sectors such as refining, polyester, and chemicals, and tracks the performance and profit forecasts of relevant listed companies [1][2]. 3. Summary According to Relevant Catalogs 3.1 Big Refining Weekly Data Briefing - Stock Price and Market Value of Listed Companies: The report tracks the stock price changes of six major private refining and chemical companies in the past week, month, three - month, one - year, and from the beginning of 2025 to the present. For example, the oil and petrochemical index rose 1.6% in the past week, while Rongcheng Petrochemical rose 5.1%. It also provides the stock price, total market value, and profit forecasts of these companies from 2024A to 2027E [7]. - Oil Price and Refining Spread: The average price of Brent crude oil this week was $60.1 per barrel, a decrease of $1.9 ( - 3.1%) compared to the previous week, and a decrease of 18.4% compared to the same period last year. The average price of WTI crude oil was $56.3 per barrel, a decrease of $2.0 ( - 3.4%) compared to the previous week, and a decrease of 20.1% compared to the same period last year. The spread of domestic refining projects this week was 2,673.8 yuan/ton, an increase of 104.3 yuan/ton (4.1%) compared to the previous week, and an increase of 6.7% compared to the same period last year. The spread of foreign refining projects was 1,305.4 yuan/ton, a decrease of 23.6 yuan/ton ( - 1.8%) compared to the previous week, and an increase of 26.5% compared to the same period last year [7]. - Polyester Sector: The average prices of POY, FDY, and DTY in the industry this week were 6,292.9 yuan/ton, 6,535.7 yuan/ton, and 7,685.7 yuan/ton respectively, with week - on - week decreases of 110.7 yuan/ton, 125.0 yuan/ton, and 60.7 yuan/ton. The weekly average profits were - 58.4 yuan/ton, - 162.7 yuan/ton, and 3.2 yuan/ton respectively, with week - on - week decreases of 75.4 yuan/ton, 84.9 yuan/ton, and 42.2 yuan/ton. The inventory days were 19.0 days, 24.3 days, and 24.9 days respectively, with week - on - week increases of 2.3 days, 2.1 days, and 1.0 days. The filament operating rate was 89.1%, a decrease of 0.7 percentage points compared to the previous week [2][8]. - Refining Sector: The prices of gasoline, diesel, and jet fuel in China and the United States decreased this week [2]. - Chemical Sector: The average price of PX this week was $838.6 per ton, an increase of $1.7 compared to the previous week, and the spread compared to crude oil was $400.0 per ton, an increase of $15.7 compared to the previous week. The PX operating rate was 89.2%, unchanged from the previous week [2]. 3.2 Big Refining Weekly Report - 2.1 Big Refining Index and Project Spread Trends: The report may show the trends of the big refining index and project spreads, but specific data and analysis are not detailed in the provided text, only the titles of relevant charts are given [10][11]. - 2.2 Polyester Sector: It mainly analyzes the price, profit, inventory, operating rate, and sales - to - production ratio of various products in the polyester sector, including PX, PTA, MEG, POY, FDY, DTY, polyester staple fiber, polyester bottle chips, etc. For example, it studies the relationship between the price of PX and crude oil, the profit of PTA, and the inventory of filament products [22][23]. - 2.3 Refining Sector: It is divided into domestic, US, European, and Singaporean refined oil markets, analyzing the price and spread of gasoline, diesel, and jet fuel in these regions compared to crude oil [80][92]. - 2.4 Chemical Sector: It analyzes the price and spread of various chemical products such as EVA photovoltaic materials, pure benzene, styrene, etc., compared to crude oil [129][130].