Volume 3 — Valuation and Risk Metrics © Copyright 2002, CCRO. All rights reserved. 3 company should model transactions. Additionally, certain discussions like liquidity, volumetric risk, and interest rate and currency risks will be held for later release. Note that because markets and operations change, management needs to regularly assess the appropriateness of the company’s metrics and risk management procedures. Risk measurement, management, and control practices involve the selection among alternatives, including tradeoffs among theoretical approaches, availability of data, management preferences, systems capabilities, and practical implementation constraints. For a summary of the valuation and risk metrics by portfolio type, see Appendix A. The matrix includes examples, use, and applicability of the metrics at a high level with references to the detailed discussion in this document.