Clearly defined and transparent methodologies are the backbone of Platts’ price assessment processes. Platt’s methodologies provide detailed descriptions and explanations of how we assess the market value of commodities so that customers and other interested parties understand those processes. In this section, we post documentation by commodity and region for all published price assessments and indices.
Coal methodology (as of April 2012)
Metallurgical Coal methodology (as of April 2012)
Spark Spreads Methodology (as of March 2012)
Emissions methodology (as of December 2011)
Platts Coal Outlook: code list (as of May 2009)
Platts Coal Trader: code list (as of May 2009)
Platts Coal Trader International: code list (as of May 2009)
Platts International Coal Report: code list (as of May 2009)
Platts to move back prompt-month rollover date in coal assessments (posted October 28, 2008)
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