Chemicals
June 26, 2026
Platts proposes to discontinue NWE ethylene cracker margins and US Daily cracker margin assessments Sept 30
Platts, part of S&P Global Energy, proposes to discontinue the European and US cracker margins as listed in the table below, effective Sept. 30, 2026.
| 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 |
| USA | 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 |
Platts proposes to discontinue this cracker margin assessment due to a similar margin calculation being present.
The affected assessment appears 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 20, 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.