| XCJ | | ICE NGX TCPL Niagra Falls Basis LD1 | Natural Gas | NGXC | |
| XAR | | ICE NGX TCPL Niagra Falls Fixed Price Monthly | 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 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 | |
| XCN | | ICE NGX Union Gas Dawn Basis LD1 | Natural Gas | NGXC | |
| XCS | | ICE NGX Union Gas Dawn Day-Ahead | Natural Gas | NGXC | |
| XCT | | ICE NGX Union Gas Dawn Day-Ahead | Natural Gas | NGXC | |
| XCL | | ICE NGX Union Gas Dawn Fixed Price Daily | Natural Gas | NGXC | |
| XAJ | | ICE NGX Union Gas Dawn Fixed Price Monthly | Natural Gas | NGXC | |
| XCO | | ICE NGX Union Gas Parkway Basis LD1 | Natural Gas | NGXC | |
| XCM | | ICE NGX Union Gas Parkway Fixed Price Daily | Natural Gas | NGXC | |
| XAS | | ICE NGX Union Gas Parkway Fixed Price Monthly | Natural Gas | NGXC | |
| | Illinois Hub Real Time Financial Off-Peak (bilateral) | Electricity | IEPA | |
| | Illinois Hub Real Time Financial Peak (bilateral) | Electricity | IEPA | |
| 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 | |
| | John Day N-S Physical Off-Peak (bilateral) | Electricity | IEPA | |
| | John Day N-S Physical Peak (bilateral) | Electricity | IEPA | |
| | Jojoba Physical Off-Peak (bilateral) | Electricity | IEPA | |
| | Jojoba Physical Peak (bilateral) | Electricity | 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 | |
| YEL | | KRGT Del Pool Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YEK | | KRGT Del Pool Physical Fixed Price Spot | Natural Gas | IEPA | |
| YEN | | KRGT Del Pool Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YEM | | KRGT Del Pool Physical Gas Daily Spot | Natural Gas | IEPA | |
| YEO | | KRGT Del Pool Physical Natural Gas Intelligence | Natural Gas | IEPA | |
| YEQ | | KRGT Rec Pool Physical Fixed Price Monthly | Natural Gas | IEPA | |