石化盘前速递 | 部分化工品筑底震荡，聚焦石化ETF（159731）布局机会

Market Overview - The China Petroleum and Chemical Industry Index (H11057) declined by 1.75% as of February 5, 2026, with mixed performance among constituent stocks [1] - The Petrochemical ETF (159731) fell by 1.78%, with the latest price at 0.99 yuan, and a turnover rate of 8.27% during the trading session, totaling a transaction volume of 1.39 billion yuan [1] Key Developments - The high-sulfur fuel oil market in Asia has shown strong upward momentum, driven by stable demand for marine fuel oil and reduced supply from the Middle East, with the price spread for benchmark 380CST high-sulfur fuel oil reaching its highest premium in over seven months [1] - The trading volume for Singapore's 0.5% sulfur marine fuel oil increased by approximately 32% month-on-month in January, reaching 3.65 million barrels [1] PTA Market Insights - The PTA2605 main contract decreased by 1.11%, with a current PTA operating rate of 77.6%, reflecting a 1% increase week-on-week [2] - Polyester plant operations have decreased to 84.7%, down 2% from the previous week, with significant maintenance scheduled for January and February, totaling around 1.562 million tons [2] Synthetic Rubber Market - The main synthetic rubber contract fell by 3.45%, with mainstream prices in Shandong adjusting to 13,000 yuan per ton [2] - The market for synthetic rubber saw a rise last week, driven by tight overseas butadiene supply and strong commodity sentiment [2] Institutional Perspectives - According to Everbright Securities, regulatory measures and industry self-discipline are expected to effectively curb vicious price competition in the refining and chemical fiber sectors [2] - The refining capacity expansion is nearing completion, and the industry supply-demand structure is expected to improve, enhancing market competitiveness and profitability for companies [2] ETF Insights - The Petrochemical ETF (159731) and its linked funds focus on the "big energy" security logic, allowing investors to benefit from the profit recovery of downstream chemical products and secure upstream resource value during oil price uptrends [3]