This guide serves as a comprehensive methodology statement for Platts, part of S&P Global Commodity Insights, detailing the processes and standards used in commodity price assessments. It outlines the organization of the methodology statement into six major parts, which include input data, security and confidentiality practices, assessment determination, editorial standards, correction principles, and procedures for clarifications and complaints. The guide emphasizes the importance of high-quality input data and the measures Platts employs to ensure the integrity of its price assessments. It also describes the criteria for data submission and the verification processes that are in place to maintain accuracy and reliability. Additionally, the guide discusses the evolution of Platts methodologies in response to changing market conditions and the commitment to transparency and stakeholder engagement in the review and approval of methodology changes.