化工行业周报20260118：国际油价小幅上涨，丁二烯、环氧丙烷价格上涨-20260118

Investment Rating - The report rates the chemical industry as "Outperform" [2] Core Views - The report highlights the recent slight increase in international oil prices and the rise in prices of butadiene and propylene oxide, suggesting a focus on undervalued leading companies in the industry and the impact of "anti-involution" on supply in related sub-industries [2][9] - It emphasizes the strong downstream demand and the increasing importance of self-sufficiency in electronic materials and certain new energy materials companies amid a backdrop of price increases [2][9] - The report recommends a mid-to-long-term investment strategy focusing on policy support for demand recovery, continuous supply-side optimization, and the growth potential of emerging sectors such as semiconductor materials, OLED materials, and new energy materials [2][9] Industry Dynamics - As of January 18, the TTM price-to-earnings ratio for the SW basic chemical sector is 14.68, at the 59.64 percentile historically, while the price-to-book ratio is 1.54, at the 40.20 percentile historically [2][13] - The SW oil and petrochemical sector has a TTM price-to-earnings ratio of 13.44, at the 39.81 percentile historically, and a price-to-book ratio of 1.30, at the 41.38 percentile historically [2][13] - The report notes that since 2025, the industry has been significantly affected by tariff-related policies and fluctuations in oil prices [2][13] Price Trends - In the week of January 12-18, 49 out of 100 tracked chemical products saw price increases, while 20 experienced declines, and 31 remained stable [9][32] - The average price of butadiene increased to 9,663 CNY/ton, up 4.04% week-on-week and 25.98% month-on-month [34] - The average price of propylene oxide rose to 8,620 CNY/ton, up 8.84% week-on-week and 9.88% year-on-year [35] Recommendations - The report recommends investing in leading companies such as Wanhua Chemical, Hualu Hengsheng, and Yake Technology, among others, while suggesting to pay attention to companies like Yangnong Chemical and Tongcheng New Materials [2][13]