| XY1 | | ICE NGX TCPL Emerson 1 Fixed Price Daily | Natural Gas | NGXC | |
| XY2 | | ICE NGX TCPL Emerson 1 Fixed Price Monthly | Natural Gas | NGXC | |
| XY3 | | ICE NGX TCPL Emerson 1 Physical Basis LD1 | Natural Gas | NGXC | |
| YHN | | ICE NGX TCPL Emerson Great Lakes Day-Ahead Index Daily | Natural Gas | NGXC | |
| XCB | | ICE NGX TCPL Emerson Great Lakes Fixed Price Daily | Natural Gas | NGXC | |
| XAM | | ICE NGX TCPL Emerson Great Lakes Fixed Price Monthly | Natural Gas | NGXC | |
| XCH | | ICE NGX TCPL Emerson Great Lakes Physical Basis LD1 | Natural Gas | NGXC | |
| XAN | | ICE NGX TCPL Empress Fixed Price Monthly | Natural Gas | NGXC | |
| XTO | | ICE NGX TCPL Enbridge CDA Fixed Price Daily | Natural Gas | NGXC | |
| XTP | | ICE NGX TCPL Enbridge CDA Fixed Price Monthly | Natural Gas | NGXC | |
| XTQ | | ICE NGX TCPL Enbridge CDA Physical Basis LD1 | Natural Gas | NGXC | |
| XZ1 | | ICE NGX TCPL Enbridge EDA Fixed Price Daily | Natural Gas | NGXC | |
| XZ2 | | ICE NGX TCPL Enbridge EDA Fixed Price Monthly | Natural Gas | NGXC | |
| XZ3 | | ICE NGX TCPL Enbridge EDA Physical Basis LD1 | Natural Gas | NGXC | |
| XY7 | | ICE NGX TCPL Energir EDA Fixed Price Monthly | Natural Gas | NGXC | |
| XY8 | | ICE NGX TCPL Energir EDA Physical Basis LD1 | Natural Gas | NGXC | |
| XCD | | ICE NGX TCPL Iroquois Fixed Price Daily | Natural Gas | NGXC | |
| XAQ | | ICE NGX TCPL Iroquois Fixed Price Monthly | Natural Gas | NGXC | |
| XCI | | ICE NGX TCPL Iroquois Physical Basis LD1 | Natural Gas | NGXC | |
| XAR | | ICE NGX TCPL Niagra Falls Fixed Price Monthly | Natural Gas | NGXC | |
| XCJ | | ICE NGX TCPL Niagra Falls Physical Basis LD1 | Natural Gas | NGXC | |
| AZS | | ICE NGX TCPL North Bay Junction Physical Basis LD1 | Natural Gas | NGXC | |
| XCF | | ICE NGX TCPL St Clair Fixed Price Daily | Natural Gas | NGXC | |
| XAO | | ICE NGX TCPL St Clair Fixed Price Monthly | Natural Gas | NGXC | |
| XCK | | ICE NGX TCPL St. Clair Physical Basis LD1 | Natural Gas | NGXC | |
| XTM | | ICE NGX TCPL Suffield 2 Fixed Price Daily | Natural Gas | NGXC | |
| XTN | | ICE NGX TCPL Suffield 2 Fixed Price Monthly | Natural Gas | NGXC | |
| XCR | | ICE NGX Transgas Energy Pool 5A Index Price Daily | Natural Gas | NGXC | |
| XCQ | | ICE NGX Transgas Energy Pool 5A Index Price Monthly | Natural Gas | NGXC | |
| XCP | | ICE NGX Transgas Energy Pool Fixed Price Daily | Natural Gas | NGXC | |
| XAU | | ICE NGX Transgas Energy Pool Fixed Price Monthly | Natural Gas | NGXC | |
| XV6 | | Iroquois (Into) Physical Basis LD1 | Natural Gas | IEPA | |
| XV5 | | Iroquois (Into) Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XV4 | | Iroquois (Into) Physical Fixed Price Spot | Natural Gas | IEPA | |
| XV8 | | Iroquois (Into) Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XV7 | | Iroquois (Into) Physical Gas Daily Spot | Natural Gas | IEPA | |
| XSE | | Katy Enstor (HSC) Physical Inside FERC | Natural Gas | IEPA | |
| XRO | | Katy Enstor Physical Basis LD1 | Natural Gas | IEPA | |
| XRQ | | Katy Enstor Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XRP | | Katy Enstor Physical Fixed Price Spot | Natural Gas | IEPA | |
| XRS | | Katy Enstor Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XRR | | Katy Enstor Physical Gas Daily Spot | Natural Gas | IEPA | |
| YFL | | Katy Enstor Physical Inside FERC | Natural Gas | IEPA | |
| XU7 | | Katy Oasis (HSC) Physical Inside FERC | Natural Gas | IEPA | |
| XU4 | | Katy Oasis Physical Basis LD1 | Natural Gas | IEPA | |
| XU3 | | Katy Oasis Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XU2 | | Katy Oasis Physical Fixed Price Spot | Natural Gas | IEPA | |
| XU6 | | Katy Oasis Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XU5 | | Katy Oasis Physical Gas Daily Spot | Natural Gas | IEPA | |
| YFM | | Katy Oasis Physical Inside FERC | Natural Gas | IEPA | |