化工ETF(159870)收涨超2.6%，连续4天获资金净流入

Group 1 - Chemical stocks collectively rose today, with the Chemical ETF (159870) seeing a net subscription of 472 million shares, marking four consecutive days of net inflow [1] - The recovery of the industry is driven by anti-involution policies, with the civil explosives sector benefiting from both western development and overseas expansion [1] - The demand for humanoid robots has surged, driving the rise of the specialty plastics industry, with PEEK materials becoming a core beneficiary [1] Group 2 - Tesla's Optimus-Gen2 utilizes PEEK materials to achieve weight reduction and speed enhancement, confirming its irreplaceability in key components such as joints and transmission systems [1] - PEEK materials exhibit excellent properties such as high-temperature resistance, high strength, and self-lubrication, with high production process barriers due to complex polymer reactions and precision processing controls [1] - The estimated value of PEEK materials for a single humanoid robot ranges from 1,367 to 4,102 CNY, indicating a broad market potential as the industry scales [1] Group 3 - As of February 6, 2026, at 15:00, the CSI Sub-Industry Chemical Theme Index (000813) rose by 2.48%, with component stocks such as Enjie Co., Ltd. up by 10.00%, Hongda Co., Ltd. up by 6.86%, and Zhejiang Longsheng up by 6.18% [1] - The Chemical ETF (159870) increased by 2.64%, with the latest price reported at 0.89 CNY [1] - The CSI Sub-Industry Chemical Theme Index consists of seven sub-indices, reflecting the overall performance of listed companies in related sub-industries [2]