Sou Hu Cai Jing·2025-12-02 02:25Core Insights - The China Petroleum Industry Index rose by 0.16% as of December 2, 2025, with significant gains from stocks like Hengyi Petrochemical and Tongcheng New Materials [1] - The Petrochemical ETF (159731) experienced a slight decline of 0.12%, priced at 0.83 yuan [1] - Over the past week, the Petrochemical ETF attracted a net inflow of 21.32 million yuan, reaching a new one-year high in both share count and scale [1] Fund Performance - The Petrochemical ETF's net value increased by 28.05% over the past two years, with a maximum monthly return of 15.86% since inception [1] - The longest consecutive monthly gain for the ETF was 7 months, with a total increase of 27.01%, and an average monthly return of 4.96% during rising months [1] - As of December 1, 2025, the ETF outperformed its benchmark with an annualized excess return of 4.62% over the last six months [1] Index Composition - The top ten weighted stocks in the China Petroleum Industry Index account for 56.67% of the index, including Wanhua Chemical, China Petroleum, and Yilong Lake [1] - The individual weightings of these stocks vary, with Wanhua Chemical at 10.47% and China Petroleum at 7.63% [3]