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Are Rio Tinto and Fortescue Rewriting Chinas Iron Ore Price Rules?

Source: Kapitales Research

Highlights:

  • The two miners, Rio Tinto Group (ASX: RIO) and Fortescue Metals Group Ltd (ASX: FMG), are set to drop the S&P Global Platts benchmark for some of their China-focused supply agreements.
  • The move reflects growing pressure from Chinese buyers for pricing benchmarks that better reflect local market conditions.
  • The change could signal a broader shift in how iron ore is priced globally, potentially reducing the dominance of traditional Western benchmarks.

Mining Titans Shift Pricing Benchmarks in Rare Strategic Move

Rio Tinto Group (ASX: RIO) and Fortescue Metals Group Ltd (ASX: FMG) — two of the world’s biggest iron ore producers — have quietly moved away from using the long-standing S&P Global Energy Platts Iron Ore Index for pricing term contracts into China, according to sources familiar with the arrangements, in a move that could reshape how raw materials are priced in the world’s largest steel market at the time of writing. This rare adjustment reflects growing pressure from major Chinese buyers to adopt pricing measures more aligned with local market dynamics.

Why the Benchmark Change Matters

For decades, the Platts index — known formally as the Iron Ore Index (IODEX) — has served as the primary reference for settling iron ore shipments into China and beyond. But recent negotiations have seen state-backed buyers push for alternatives, claiming traditional benchmarks are overly influenced by overseas futures markets and do not reflect on-the-ground pricing realities. In response, Rio Tinto is trialling a switch to an index published by Fastmarkets for certain cargoes loaded in early 2026, while Fortescue plans to reference a blend of China’s Mysteel and the Argus Iron Ore Index for its contracts.

The timing of this shift — targeting shipments in January and February 2026 — suggests both miners are exploring new pricing frameworks without fully upending existing long-term contracts. Industry analysts view the limited trial period as a cautious step, balancing contractual obligations with the desire to better align with evolving Chinese steelmaker demands.

Broader Implications for Global Markets

China’s role as the world’s biggest iron ore importer gives it significant leverage, and fiercer negotiation on pricing has already influenced other trade developments, including currency settlement changes in some contracts and broader discussions around RMB-linked pricing mechanisms.

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