Natural Gas
August 21, 2026
Platts corrects Niagara daily natural gas index for trade date Aug. 20
Please note that due to an internal error, Platts, part of S&P Global Energy, has corrected the Niagara (IGBCS00) daily index for the Aug. 20 trade date and Aug. 21 flow date.
Please see the corrected values below.
| Symbol Description | Symbol | Bate | Original Value | Corrected Value | Assessment Date |
| Niagara FDt Com | IGBCS21 | u | 2.89 | 1.89 | 21-Aug-2026 |
| Niagara FDt Abs | IGBCS22 | l | 2.89 | 1.89 | 21-Aug-2026 |
| Niagara FDt Abs | IGBCS22 | h | 2.89 | 1.89 | 21-Aug-2026 |
| Niagara FDt Com | IGBCS21 | l | 2.89 | 1.89 | 21-Aug-2026 |
| Niagara FDt Com | IGBCS21 | h | 2.89 | 1.89 | 21-Aug-2026 |
| Niagara TDt Com | IGBCS00 | u | 2.89 | 1.89 | 20-Aug-2026 |
| Niagara TDt Abs | IGBCS20 | l | 2.89 | 1.89 | 20-Aug-2026 |
| Niagara TDt Abs | IGBCS20 | h | 2.89 | 1.89 | 20-Aug-2026 |
| Niagara TDt Com | IGBCS00 | l | 2.89 | 1.89 | 20-Aug-2026 |
| Niagara TDt Com | IGBCS00 | h | 2.89 | 1.89 | 20-Aug-2026 |
Please direct any questions or comments to AmericasGasPricing@spglobal.com.