SINOLINK SECURITIES·2025-12-20 11:18Investment Rating - The report indicates a positive outlook for the petrochemical sector, with the overall performance of the sector outperforming the Shanghai Composite Index by 1.57% this week [9]. Core Insights - Oil prices have remained volatile, influenced by geopolitical developments, particularly the progress in Russia-Ukraine negotiations and the fluctuating situation in Venezuela, which has led to a widening discount on Venezuelan oil [14]. - The average operating rate of domestic refineries is stable at 75.11%, while the average refining profit for major refineries is reported at 613.88 CNY/ton, showing a decrease from the previous period [3]. - The polyester sector is experiencing weak demand as the year-end approaches, with expectations of reduced operating rates for weaving machines [3]. - The ethylene market remains stable, with domestic prices holding steady, while propylene prices have seen a slight decline due to ample supply [3]. Summary by Sections Market Overview - The petrochemical sector has outperformed the Shanghai Composite Index, with various indices showing mixed performance, such as the polyester index increasing by 4.65% [9][10]. Oil and Gas Sector - As of December 18, WTI crude oil is priced at 56.15 USD, down by 1.45 USD, while Brent crude is at 61.43 USD, down by 0.95 USD. The U.S. commercial crude oil inventory decreased by 1.274 million barrels [14]. - The U.S. active oil rig count increased by 1 to 414 rigs, indicating a slight uptick in exploration activity [14]. Refining Sector - The average refining profit for major refineries is reported at 613.88 CNY/ton, a decrease of 31.59 CNY/ton from the previous period [3]. - The average operating rate for major refineries is stable at 75.11% [3]. Polyester Sector - The average profit for polyester products shows a decline, with POY150D at 38.35 CNY/ton, down by 71.09 CNY/ton, and FDY150D at -166.66 CNY/ton, down by 81.13 CNY/ton [3]. - PTA processing fees have slightly decreased to 156.51 CNY/ton, indicating ongoing challenges in profitability within the sector [3]. Olefins Sector - Ethylene prices remain stable at 6172 CNY/ton, while propylene prices in Shandong have decreased to 5955 CNY/ton, reflecting a 2.22% decline [3].