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Price Assessment

Platts American GulfCoast Select (Platts AGS)

  • What is Platts American GulfCoast Select?
  • How do we assess Platts American GulfCoast Select?
  • Evolution of Platts American GulfCoast Select
  • Platts American GulfCoast Select – Export Crude Commentary

What is Platts American GulfCoast Select?

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Platts AGS reflects the value of light sweet crude oil loading 15-45 days forward on an FOB basis from locations along the US Gulf Coast including Houston, Corpus Christi, Beaumont, Nederland, Texas City, and Port Arthur, with the most competitive location on a cargo-size normalized basis setting the price assessment.

This crude oil assessment reflects a typical cargo size of 700,000 barrels, with bids, offers and trades between 550,000 and 800,000 barrels eligible for use in the assessment but normalized to reflect the freight economics of the typical cargo size. The assessment reflects the Platts WTI Midland grade supplied directly from the Permian Basin on the BridgeTex, Longhorn, Midland-to-Echo I/II, Cactus I/II, EPIC, Gray Oak, Permian Express pipelines with a limit .2% sulfur, 75 ppm mercaptans, and API between 38 and 44.

How do we assess Platts American GulfCoast Select?

Platts AGS is assessed based on market information gathered during the day by market reporting staff and bids, offers, and trades published on the Platts eWindow communication tool. The assessment follows Platts Market on Close principles with bids, offers, and trades – converted to outright values for comparison – determining value at the 1:30 Central Time close.

Learn more in the FAQ >

Evolution of Platts American GulfCoast Select

Platts AGS bring the US a new benchmark assessment that reflects the value of high-quality, export-ready crude at the intersection of domestic and global demand free of any distortion from logistics.

Platts American GulfCoast Select – Export Crude Commentary

  • Platts AGS up 17 cents/b to $41.58/b
  • Traders grapple with mixed economic data


S&P Global Platts American GulfCoast Select was assessed at an outright value of $41.58/b July 31, up 17 cents/b day on day as global crude benchmarks rebounded late in the day on a tightening outlook for US supply.


Platts heard September loading WTI FOB on the US Gulf Coast offered at a discount of $2/b to November ICE Brent. Based on that information, Platts assessed the differential for WTI FOB on the US Gulf Coast to the 15-45 day NYMEX WTI down 18 cents/b to a premium of $1.02/b. Relative to Dated Brent strip, the differential for WTI FOB was assessed higher by 4 cents/b to a discount of $1.16/b.

NYMEX September WTI settled up 35 cents at $40.27/b, and ICE September Brent finished the day 36 cents higher at $43.30/b after data showed US May crude production dropping to 10 million b/d, down from 11.99 million b/d in April, according to a US Energy Information Administration report released July 31.

Crude traders have had to digest mixed signals in recent weeks, with US government data released July 30 showing a record 32.9% decline in second-quarter GDP and an uptick in initial weekly unemployment claims raising concerns that any demand recovery for oil may stall.


Methodology and Specifications

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See all oil methodologies

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