This document is a technical report that outlines the complexities and challenges in post-trade liquidity management within financial institutions. It details the evolution of post-trade processes, highlighting the inefficiencies arising from legacy systems and the need for improved operational flexibility. The report discusses the implications of inadequate funding-related insights and regulatory compliance requirements, particularly referencing BCBS 248, which mandates banks to demonstrate robust liquidity management practices. It emphasizes the importance of real-time data and automation in enhancing cash and securities position forecasting. The document also presents various operational foundations necessary for effective liquidity management, including the integration of advanced technologies and the establishment of consolidated reporting mechanisms. Furthermore, it addresses the growing complexity of treasury-related activities and the need for banks to adapt to 24/7 trading environments, ensuring compliance and operational efficiency. The report concludes with an overview of the key features of Planixs Realiti®, a treasury management software designed to optimize cash and collateral management.