Platts proposes to discontinue Japan aluminum yen conversions

Platts, part of S&P Global Commodity Insights, proposes to discontinue publishing its calculated Japan aluminum yen-conversion assessments effective Aug. 1, 2025.

These assessments are formula-based prices calculated using Platts Japan aluminum premium assessments, underlying London Metal Exchange settlements, the Japanese yen-US dollar exchange rate and metric ton-to-kilogram conversion.

The proposal considers initial feedback that market participants prefer to apply their own calculations and exchange rates on prevailing US dollar basis CIF Japan aluminum premium assessments, in part due to Japan's position as a significant net importer of aluminum.

The proposed discontinuation would affect the following assessments and symbols:

Full details of Platts aluminum assessments can be found here: https://www.spglobal.com/content/dam/spglobal/ci/en/documents/platts/en/our-methodology/methodology-specifications/metals/nonferrous-specifications.pdf(opens in a new tab)

Platts Japan aluminum assessments are published in Metals Daily, Metals Weekly, on Platts Metals Alert on fixed pages PMA/MTL0107, PMA/MTL0108, PMA/MTL0419 and PMA/MTL0650 and in the Platts price database.

Platts invites feedback, comments, and questions on this proposal to platts_mjp_moc@spglobal.com and pricegroup@spglobal.com by May 2, 2025.

For written comments, please provide a clear indication if comments are not intended for publication by Platts for public viewing. Platts will consider all comments received and will make comments not marked as confidential available to the public upon request.