S&P Global Offerings
Featured Topics
Featured Products
Events
S&P Global Offerings
Featured Topics
Featured Products
Events
S&P Global Offerings
Featured Topics
Featured Products
Events
S&P Global Offerings
Featured Topics
Featured Products
Events
Our Methodology
Methodology & Participation
Reference Tools
S&P Global
S&P Global Offerings
S&P Global
Research & Insights
Our Methodology
Methodology & Participation
Reference Tools
S&P Global
S&P Global Offerings
S&P Global
Research & Insights
August 29, 2025
The following Columbia gas, Appalachia and GIA Symbols have been discontinued effective Aug. 29.
| MDC | Symbol | Bates | Dec | Freq | Curr | UOM | Description |
| GHZ | IGKAA00 | c | 3 | DW | USD | MMB | GIA Northeast Final TDt |
| GHZ | IGLAA21 | c | 3 | DA | USD | MMB | GIA South Final FDt |
| GHZ | IGMAA21 | c | 3 | DA | USD | MMB | GIA Midwest Final FDt |
| GHZ | IGKAA21 | c | 3 | DA | USD | MMB | GIA Northeast Final FDt |
| GHZ | IGMAA00 | c | 3 | DW | USD | MMB | GIA Midwest Final TDt |
| GDZ | IGBJU20 | lh | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) TDt Abs |
| GIZ | PXBJU00 | lhcw | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim TDt Com |
| GHZ | IGNAA00 | c | 3 | DW | USD | MMB | GIA West Final TDt |
| GDZ | BGBJU21 | u | 0 | DA | UNS | CON | Columbia Gas Appalachia (Non-IPP Pool) FDt DlCt |
| GHZ | IGOAA21 | c | 3 | DA | USD | MMB | GIA North America Final FDt |
| GDZ | IGBJU00 | lhuw | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) TDt Com |
| GIZ | PMBJU00 | u | 3 | DW | N/A | CON | Columbia Gas Appalachia (Non-IPP Pool) Prelim TDt DlCt |
| GIZ | PNBJU21 | lhcw | 3 | DA | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim FDt Com |
| GIZ | PPBJU21 | u | 3 | DA | N/A | CON | Columbia Gas Appalachia (Non-IPP Pool) Prelim FDt DlCt |
| GHZ | IGNAA21 | c | 3 | DA | USD | MMB | GIA West Final FDt |
| GDZ | BGBJU00 | u | 0 | DW | UNS | CON | Columbia Gas Appalachia (Non-IPP Pool) TDt DlCt |
| GDZ | IGBJU22 | lh | 3 | DA | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) FDt Abs |
| GIZ | POBJU22 | lh | 3 | DA | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim FDt Abs |
| GIZ | PXBJU20 | lh | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim TDt Abs |
| GHZ | IGLAA00 | c | 3 | DW | USD | MMB | GIA South Final TDt |
| GHZ | IGOAA00 | c | 3 | DW | USD | MMB | GIA North America Final TDt |
| GDZ | GCBDJ00 | c | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Cash Basis $/MMBtu |
| GDZ | IGBJU21 | lhuw | 3 | DA | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) FDt Com |
| GJZ | PHBJU36 | lhcw | 3 | DB | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim BidWk Dlvd Pipe |
| GJZ | PMBJU03 | lhcw | 2 | DB | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim Mo |
| EFII | ATVE037 | c | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP) Prelim TD Mean |
| EFII | ATVE038 | c | 3 | DW | USD | MMB | Columbia Gas Appalachia (Non-IPP) Prelim TD StDev |
| GJZ | PIBJU36 | lhcw | 3 | DB | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim Cumulative BidWk Dlvd Pipe |
| GJZ | PKBJU36 | u | 2 | DB | N/A | CON | Columbia Gas Appalachia (Non-IPP Pool) Prelim Cumulative BidWk Dlvd Pipe DlCt |
| GJZ | PCBJU03 | lhcw | 2 | DB | USD | MMB | Columbia Gas Appalachia (Non-IPP Pool) Prelim Cumulative Mo |
| GJZ | PJBJU36 | u | 2 | DB | N/A | CON | Columbia Gas Appalachia (Non-IPP Pool) Prelim BidWk Dlvd Pipe DlCt |
| GJZ | PGBJU03 | u | 2 | DB | N/A | CON | Columbia Gas Appalachia (Non-IPP Pool) DlCt Prelim Cumulative Mo |
| GJZ | PFBJU03 | u | 2 | DB | N/A | CON | Columbia Gas Appalachia (Non-IPP Pool) DlCt Prelim Mo |
Please follow the link below for further details:
https://www.spglobal.com/commodity-insights/en/pricing-benchmarks/our-methodology/subscriber-notes/062425-platts-to-discontinue-columbia-gas-appalachia-non-ipp-and-gia-natural-gas-indices
If you have any comments or questions about this announcement, please contact S&P Global Commodity Insights Client Services or email CI.support@spglobal.com.