Refined Products, Chemicals, Naphtha
July 03, 2026
Platts proposes to discontinue NWE and US cracker margin assessments Sept 30
Platts, part of S&P Global Energy, proposes to discontinue the European and US cracker margins effective Sept. 30, 2026.
The proposal aims to eliminate duplication in the publication of cracker margins.
Alternative cracker margin calculations available at Core: Workspace will continue to be published.
The assessments proposed to be discontinued are as follows:
| European assessments | Symbols |
| NWE Cracker Margin Spot | AAXOI00 |
| NWE Cracker Margin Spot Eur/mt | AAYDE00 |
| NWE Cracker Margin CP | AAYDF00 |
| NWE Cracker Margin CP Eur/mt | AAYDG00 |
| US Assessments | Symbols |
| Ethane Cracker Margin | ECMDM00 |
| Ethane/Propane Mix Cracker Margin cts/lb | EPMCP00 |
| Ethane/Propane Mix Cracker Margin | EPMDM00 |
| Light Naphtha Cracker Margin cts/lb | LNMCP00 |
| Light Naphtha Cracker Margin | LNMDM00 |
| N-Butane Cracker Margin Cts/Lb | NBMCP00 |
| N-Butane Cracker Margin | NBMDM00 |
| Propane Cracker Margin Cts/Lb | PCMCP00 |
| Propane Cracker Margin | PCMDM00 |
| Description | Affected Cascade Symbols |
| NWE Cracker Margin Spot MAvg | AAXOI03 |
| NWE Cracker Margin Spot Eur/mt MAvg | AAYDE03 |
| NWE Cracker Margin CP MAvg | AAYDF03 |
| NWE Cracker Margin CP Eur/mt MAvg | AAYDG03 |
The affected assessments appear on PCA0300, PCA0543, PCA0544, Olefinscan, Polymerscan and Polymerscan Latin America.
Please send any comments, feedback, and questions to petchems@spglobal.com and pricegroup@spglobal.com by July 17, 2026.
For written comments, 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.