9月30日中国能化现货估价指数（CECSAI）较前一工作日下跌0.74%

Core Insights - The China Energy and Chemical Spot Price Index reported a decline to 859.9 points as of September 30, 2025, down 6.38 points or 0.74% from the previous day, and down 140.1 points or 14.01% from the baseline date of July 2, 2024 [1] Industry Summaries - The oil industry price index stood at 860.08 points, decreasing by 9.89 points or 1.14% from the previous day [2] - The natural gas industry price index remained stable at 906.14 points, with no change from the previous day [3] - The chemical industry price index fell to 848.12 points, down 3.59 points or 0.42% from the previous day [4] Market Analysis - The significant drop in the China Energy and Chemical Spot Price Index on the last working day before the National Day holiday was primarily due to a sharp decline in international oil prices, weakened market support, and a decrease in trading activity as many businesses had already stocked up before the holiday [5] Price Monitoring Data - The table of current price monitoring for various products indicates that crude oil prices at Shandong Port dropped to 4050 yuan per ton, down 120 yuan or 2.88% from the previous price [6] - Gasoline prices in North China decreased by 25 yuan to 7625 yuan per ton, while diesel prices in North China fell by 35 yuan to 6665 yuan per ton [6][8] - The chemical sector saw various price changes, with PTA in East China dropping by 55 yuan to 4535 yuan per ton, and natural rubber in Qingdao increasing by 50 yuan to 14775 yuan per ton [8][9] Index Methodology - The China Energy and Chemical Spot Price Index is jointly launched by the Xinhua Index Research Institute, Jinlianchuang Network Technology Co., Ltd., and the Data Price Professional Committee of the China Price Association. It monitors 17 typical products with significant consumption and market activity across key regions [9]