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Low grade Australian iron ore changes global benchmark

Pricing service Platts announced that the long-standing global benchmark price for iron ore cargoes, which is used to determine most of the world's trade, will be adjusted by 2026 in order to reflect a decline in quality ore coming from Australia.

The global price reporting agency, PRA, announced on Tuesday that Platts (part of S&P Global Commodity Insights) proposed to reduce the iron content of its benchmark index from 62% to 61% due to a declining quality of Australian ore fines.

In an announcement on its website, it stated that the updated baseline specifications would more closely reflect those of major medium grade fines traded on the market.

Since decades, the benchmark 62% Iron Ore Index has been used as a contracting tool between international buyers and miners.

Rio Tinto, the world's biggest iron ore mining company, announced on Wednesday that the iron content in its Pilbara Blend Lump and Fines had been reduced to 60.8%, but did not specify when this change began.

Rio Tinto's spokesperson said that the change was due to "both customer needs and ore grades available".

The Platts Benchmark Prices Futures, Options and Swaps on the Singapore Exchange is one of the largest iron ore futures market in the world.

Pei Hao is a senior analyst based in Shanghai at the international brokerage Freight Investor Services.

Platts also proposes to reduce the iron content in its benchmark 62.5% Fe China Iron Ore Spot Lump Premium to 62%.

According to the notices, both changes will come into effect on January 2, 2026.

Platts published a daily basis spread of 62%/61% on Tuesday to reflect the calculated value difference between current and proposed specs.

Recently, other price reporting agencies, including Mysteel and Argus, launched new iron ore indices of 61%. Reporting by Amy Lv in Beijing and Lewis Jackson. Hongmei Li contributed additional reporting from Singapore. Sonali Paul, Mark Potter and Mark Potter edited the article.

(source: Reuters)