Refined Products, Chemicals, Aromatics
May 01, 2026
Description and MDC updated for gasoline blend value symbols
The following gasoline blend value symbols have had their descriptions and MDC updated, as summarized below.
From:
| MDC | Symbol | Bates | Dec | Freq | Curr | UOM | Description |
| FS | AASFE00 | u | 3 | DW | USC | GAL | Alkylate DAP USGC barge Blend Value |
| FS | AASFE03 | c | 3 | MA | USC | GAL | Alkylate DAP USGC barge Blend Value MAvg |
| FS | AASFG00 | u | 3 | DW | USC | GAL | Reformate DAP USGC barge Blend Value |
| FS | AASFG03 | c | 3 | MA | USC | GAL | Reformate DAP USGC barge Blend Value MAvg |
| FS | AASFH00 | u | 3 | DW | USC | GAL | Xylene FOB USGC barge Blend Value |
| FS | AASFH03 | c | 3 | MA | USC | GAL | Xylene FOB USGC barge Blend Value MAvg |
| FS | AASFI00 | u | 3 | DW | USC | GAL | Toluene FOB USGC Blend Value |
| FS | AASFI03 | c | 3 | MA | USC | GAL | Toluene FOB USGC Blend Value MAvg |
| FS | AATAR00 | u | 3 | DW | USC | GAL | MTBE FOB USGC barge Blend Value |
| FS | AATAR03 | c | 3 | MA | USC | GAL | MTBE FOB USGC barge Blend Value MAvg |
| FS | AATAS00 | u | 3 | DW | USC | GAL | Raffinate DAP USGC barge Blend Value |
| FS | AATAS03 | c | 3 | MA | USC | GAL | Raffinate DAP USGC barge Blend Value MAvg |
To:
| MDC | Symbol | Bates | Dec | Freq | Curr | UOM | Description |
| AU | AASFE00 | u | 3 | DW | USC | GAL | Alkylate Blend Value vs NYMEX RBOB |
| AU | AASFE03 | c | 3 | MA | USC | GAL | Alkylate Blend Value vs NYMEX RBOB MAvg |
| AU | AASFG00 | u | 3 | DW | USC | GAL | Raffinate Blend Value vs NYMEX RBOB |
| AU | AASFG03 | c | 3 | MA | USC | GAL | Raffinate Blend Value vs NYMEX RBOB MAvg |
| AU | AASFH00 | u | 3 | DW | USC | GAL | Reformate Blend Value vs NYMEX RBOB |
| AU | AASFH03 | c | 3 | MA | USC | GAL | Reformate Blend Value vs NYMEX RBOB MAvg |
| AU | AASFI00 | u | 3 | DW | USC | GAL | MTBE Blend Value vs NYMEX RBOB |
| AU | AASFI03 | c | 3 | MA | USC | GAL | MTBE Blend Value vs NYMEX RBOB MAvg |
| AU | AATAR00 | u | 3 | DW | USC | GAL | Toluene Blend Value vs NYMEX RBOB |
| AU | AATAR03 | c | 3 | MA | USC | GAL | Toluene Blend Value vs NYMEX RBOB MAvg |
| AU | AATAS00 | u | 3 | DW | USC | GAL | Mixed Xylenes Blend Value vs NYMEX RBOB |
| AU | AATAS03 | c | 3 | MA | USC | GAL | Mixed Xylenes Blend Value vs NYMEX RBOB MAvg |
Please follow this link for further details.
If you have any comments or questions about this announcement, please contact S&P Global Energy Support team or email support.energy@spglobal.com.