Platts publishes IODEX one-time differential of $2.59/dmt

Platts, part of S&P Global Commodity Insights, is publishing a one-time differential on Aug. 29 that may be used in amending iron ore fines derivatives and other contracts that settle against its IODEX CFR China (IODBZ00) and TSI Iron Ore Fines CFR China (TS01021) assessments from January 2026 onwards.

The differential, dated Aug. 29 and published via the present subscriber note, is based on the average of Platts daily 62/61% Fe IODEX Basis Spread (FIOCS00) assessments for the July 1 to Aug. 29, 2025 period inclusive (IODEX Basis Spread Average).

The IODEX Basis Spread Average differential is $2.59/dry mt.

Platts first notified its intention to publish a one-time differential in a subscriber note published July 2, 2025, and available here:

https://www.spglobal.com/commodity-insights/en/pricing-benchmarks/our-methodology/subscriber-notes/070225-platts-to-publish-iodex-one-time-differential .

Platts had communicated July 1, 2025, its decision to change the baseline quality specifications for its IODEX iron ore fines benchmark effective Jan. 2, 2026, following a period of market consultation and feedback.

Please send comments and questions to IODEX@spglobal.com and pricegroup@spglobal.com.

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 upon request.