1.

The administrator of a commodity benchmark shall formalise, document, and make public any methodology that the administrator uses for a benchmark calculation. At a minimum, such methodology shall contain and describe the following: all criteria and procedures that are used to develop the benchmark, including how the administrator uses input data including the specific volume, concluded and reported transactions, bids, offers and any other market information in its assessment or assessment time periods or windows, why a specific reference unit is used, how the administrator collects such input data, the guidelines that control the exercise of judgement by assessors and any other information, such as assumptions, models or extrapolation from collected data that are considered in making an assessment; procedures and practices that are designed to ensure consistency between its assessors in exercising their judgement; the relative importance that shall be assigned to each criterion used in benchmark calculation, in particular the type of input data used and the type of criterion used to guide judgement so as to ensure the quality and integrity of the benchmark calculation; criteria that identify the minimum amount of transaction data required for a particular benchmark calculation. If no such threshold is provided for, the reasons why a minimum threshold is not established shall be explained, including setting out the procedures to be used where no transaction data exist; criteria that address the assessment periods where the submitted data fall below the methodology's recommended transaction data threshold or the requisite administrator's quality standards, including any alternative methods of assessment including theoretical estimation models. Those criteria shall explain the procedures to be used where no transaction data exist; criteria for timeliness of contributions of input data and the means for such contributions of input data whether electronically, by telephone or otherwise; criteria and procedures that address assessment periods where one or more contributors submit input data that constitute a significant proportion of the total input data for that benchmark. The administrator shall also define in those criteria and procedures what constitutes a significant proportion for each benchmark calculation; criteria according to which transaction data may be excluded from a benchmark calculation.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.