化工ETF(159870)涨超3%，盘中净申购超9亿

Group 1 - The core viewpoint of the news highlights the significant price increase in refrigerants R507 and R404, with prices rising by 3,000 yuan per ton as of January 16, indicating a strong market demand and potential investment opportunities in the chemical sector [1] - The chemical industry is experiencing a positive trend, particularly in the phosphorous chemical sector, where supply constraints due to environmental policies and increasing demand from the new energy sector are tightening the supply-demand balance [1] - The fluorochemical sector is also showing signs of recovery, with the production quotas for second-generation refrigerants being reduced, stabilizing profitability, and the imminent introduction of third-generation refrigerant quotas expected to further enhance market conditions [1] Group 2 - The polyester filament sector is benefiting from a significant reduction in inventory levels, which aligns with a rebound in demand from the textile and apparel industry [1] - As of January 19, 2026, the CSI Sub-Industry Chemical Theme Index (000813) has seen a strong increase of 2.81%, with notable stock performances from companies like Haohua Technology and Junzheng Group, indicating robust investor interest in the sector [1] - The CSI Sub-Industry Chemical Theme Index is composed of major companies in the chemical sector, with the top ten weighted stocks accounting for 45.31% of the index, reflecting the concentration of market performance among leading firms [2]