IBM Apptio Mainframe TCO is designed to solve this challenge. A purpose-built solution designed to deliver a clear, defensible view of Z costs, enabling accurate cost allocation, comprehensive utilization tracking, and data-driven decision making. It supports a variety of performance data sources, but when paired with IBM Z IntelliMagic Vision for z/OS performance management software, it unlocks deeper insights and a 360° view of mainframe economics. It surfaces detailed insights across total costs, consumption trends, and cost allocation, helping organizations manage mainframe spend and better inform modernization decisions.