| XWR | | GTN Stanfield Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XWQ | | GTN Stanfield Physical Fixed Price Spot | Natural Gas | IEPA | |
| XWT | | GTN Stanfield Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XWS | | GTN Stanfield Physical Gas Daily Spot | Natural Gas | IEPA | |
| XGA | | Henry Physical Basis LD1 | Natural Gas | IEPA | |
| XGB | | Henry Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XGF | | Henry Physical Fixed Price Spot | Natural Gas | IEPA | |
| XGC | | Henry Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XGG | | Henry Physical Gas Daily Spot | Natural Gas | IEPA | |
| XGD | | Henry Physical Inside FERC | Natural Gas | IEPA | |
| XZD | | HSC HPL Pool Physical Basis LD1 | Natural Gas | IEPA | |
| XZA | | HSC HPL Pool Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XYZ | | HSC HPL Pool Physical Fixed Price Spot | Natural Gas | IEPA | |
| XZC | | HSC HPL Pool Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XZB | | HSC HPL Pool Physical Gas Daily Spot | Natural Gas | IEPA | |
| XZE | | HSC HPL Pool Physical Inside FERC | Natural Gas | IEPA | |
| YBY | | ICE NGX APC-ATP 7A Index Price Monthly | Natural Gas | NGXC | |
| YBR | | ICE NGX APC-ATP 2A Index Price Daily | Natural Gas | NGXC | |
| YBS | | ICE NGX APC-ATP 2A Index Price Monthly | Natural Gas | NGXC | |
| YBT | | ICE NGX APC-ATP 5A Index Price Daily | Natural Gas | NGXC | |
| YBV | | ICE NGX APC-ATP 5A Index Price Daily | Natural Gas | NGXC | |
| YBU | | ICE NGX APC-ATP 5A Index Price Monthly | Natural Gas | NGXC | |
| YBW | | ICE NGX APC-ATP 5A Index Price Monthly | Natural Gas | NGXC | |
| YBX | | ICE NGX APC-ATP 7A Index Price Monthly | Natural Gas | NGXC | |
| YBZ | | ICE NGX APC-ATP Day-Ahead Index Daily | Natural Gas | NGXC | |
| YCA | | ICE NGX APC-ATP Day-Ahead Index Monthly | Natural Gas | NGXC | |
| YBJ | | ICE NGX APC-ATP Fixed Price Daily | Natural Gas | NGXC | |
| YCF | | ICE NGX APC-ATP Fixed Price Daily | Natural Gas | NGXC | |
| YBL | | ICE NGX APC-ATP Fixed Price Daily | Natural Gas | NGXC | |
| YBK | | ICE NGX APC-ATP Fixed Price Monthly | Natural Gas | NGXC | |
| YBM | | ICE NGX APC-ATP Fixed Price Monthly | Natural Gas | NGXC | |
| YBP | | ICE NGX APC-ATP ID ATP Day-Ahead Index Daily | Natural Gas | NGXC | |
| YBQ | | ICE NGX APC-ATP ID ATP Day-Ahead Index Monthly | Natural Gas | NGXC | |
| YBN | | ICE NGX APC-ATP ID ATP Same Day Daily | Natural Gas | NGXC | |
| YBO | | ICE NGX APC-ATP ID ATP Same Day Monthly | Natural Gas | NGXC | |
| XCT | | ICE NGX Enbridge Gas Dawn Day-Ahead Index Daily | Natural Gas | NGXC | |
| XCS | | ICE NGX Enbridge Gas Dawn Day-Ahead Index Monthly | Natural Gas | NGXC | |
| XCL | | ICE NGX Enbridge Gas Dawn Fixed Price Daily | Natural Gas | NGXC | |
| XAJ | | ICE NGX Enbridge Gas Dawn Fixed Price Monthly | Natural Gas | NGXC | |
| XCN | | ICE NGX Enbridge Gas Dawn Physical Basis LD1 | Natural Gas | NGXC | |
| XCM | | ICE NGX Enbridge Gas Parkway Fixed Price Daily | Natural Gas | NGXC | |
| XAS | | ICE NGX Enbridge Gas Parkway Fixed Price Monthly | Natural Gas | NGXC | |
| XCO | | ICE NGX Enbridge Gas Parkway Physical Basis LD1 | Natural Gas | NGXC | |
| XBX | | ICE NGX Enbridge Huntingdon Fixed Price Daily | Natural Gas | NGXC | |
| XAY | | ICE NGX Enbridge Huntingdon Fixed Price Monthly | Natural Gas | NGXC | |
| XBV | | ICE NGX Enbridge Huntingdon Gas Daily Daily | Natural Gas | NGXC | |
| XBW | | ICE NGX Enbridge Huntingdon Gas Daily Monthly | Natural Gas | NGXC | |
| XBT | | ICE NGX Enbridge Huntingdon Inside FERC | Natural Gas | NGXC | |
| XIA | | ICE NGX Enbridge Huntingdon Physical Basis LD1 | Natural Gas | NGXC | |
| XBS | | ICE NGX Enbridge Station 2 Day-Ahead Index Daily | Natural Gas | NGXC | |