The 9th International Symposium on Big Data and Applied Statistics (ISBDAS 2026) will be held from March 6 to 8, 2026, in Guangzhou, China. This conference aims to establish a high-level platform for global experts, engineers, researchers, and industry professionals in "Big Data" and "Applied Statistics" to share cutting-edge research and technological innovations, track academic trends, broaden research perspectives, foster in-depth scholarly collaboration, and accelerate industrial partnerships for academic achievements. Organized by the Artificial Intelligence and Higher Education Research Branch of Guangdong Higher Education Association and co-organized by Beijing Normal University's Institute of Artificial Intelligence and Future Networks and the Artificial Intelligence and Big Data Research Base, ISBDAS has built a strong legacy with past editions held in: Guangzhou (2025), Beijing (2024), Shanghai (2023), Xining (2022), Dali (2021), Kunming (2020) and Dalian (2019). We cordially invite experts, scholars, industry representatives, and professionals worldwide to participate in this grand event, collectively propelling innovation and advancement in Big Data and Applied Statistics!