This research, developed with authors Vassilis Stamatopoulos, George Papastefanatos, and Manolis Terrovitis, tackles a significant challenge in the field of scalable visual analytics, specifically focusing on time series data. The team’s innovative approach introduces a caching mechanism optimized for visualization, which leverages Min-Max caching with error bound guarantees to ensure efficient data retrieval while maintaining high accuracy. The paper, presented during the BigVis workshop at VLDB24, sheds light on how this novel caching technique can enhance real-time data exploration, particularly in applications dealing with massive datasets, such as those used in the ExtremeXP project. This work exemplifies the project’s commitment to delivering high-impact, practical solutions for extreme data analytics. Their work not only pushes the boundaries of what’s possible in time series data analysis but also highlights the groundbreaking innovations emerging from the ExtremeXP initiative.