COMMODITY RESEARCH DOSSIER / 2026-10-16 Question and decision horizon: Commodity / grade / location / delivery period: Observation period, publication time and retrieval time: Source URL / series identifier / vintage / file hash: Rights holder and reuse basis / third-party exclusions: Units, conversions, missingness and revisions: Comparison window and weighting / denominator: Calculation and numerical checks: Observed findings / competing explanations: What this dataset cannot establish: Contract calendar, delivery, collateral and costs: Reproduction files and independent reconciliation: Owner / review date / correction record: