Group 1 - The domestic chemical sector in China's futures market is experiencing a significant decline, with synthetic rubber futures prices dropping over 2% and natural rubber and No. 20 rubber futures main contracts falling more than 1% [1] - In the Thai spot rubber market, the prices of smoked sheets are primarily decreasing, with RSS3 grade rubber FOB prices dropping by 1 Thai Baht per kilogram for December 2025 and January 2026, and STR20 decreasing by 0.01 Thai Baht per kilogram [2] - The Indian Ministry of Commerce has initiated an anti-dumping investigation into butyl rubber imported from China, Singapore, and the United States, following a request from Reliance Sibur Elastomers Private Limited [2] Group 2 - Current market dynamics indicate that while the operating rate of downstream tire production has increased, the demand boost is limited and unable to offset ongoing supply pressures, leading to a downward shift in the market [3] - Analysts suggest that the focus should be on the accumulation process and overseas raw materials, noting that overseas raw materials are currently stronger than domestic futures [3] - The southern region of Thailand has not yet entered the peak production season, which supports bearish market logic, and analysts recommend a wait-and-see approach [3]