Argus publishes current-vintage daily SO2 assessments and weekly and monthly indexes that are the industry-accepted benchmarks in the North American emissions markets.

Price assessment details

What are the advantages of the Argus SO2 price assessment?

The Argus SO2 price assessments are used in supply agreements to adjust for the cost of sulphur content in fuel, and are the industry standard for US coal contracts. They are also used in financial contract settlements.


How is this assessment used?

The North American coal industry uses the Argus SO2 price assessment as a key quality adjustment for coal sales and trading, with Argus settling premiums or discounts for sulphur content in coal deliveries. The Argus SO2 price assessment is incorporated in many supply agreements, including the master trading agreement for coal trading in the US.

Key price assessments

Argus prices are recognised by the market as trusted and reliable indicators of the real market value. Explore some of our most widely used and relevant price assessments.