| YV9 | | Pine Prairie Physical Basis LD1 | Natural Gas | IEPA | |
| YV8 | | Pine Prairie Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YV7 | | Pine Prairie Physical Fixed Price Spot | Natural Gas | IEPA | |
| BK1 | | Pine Prairie Physical Gas Daily Monthly | Natural Gas | IEPA | |
| Z5J | | Pine Prairie Physical Gas Daily Spot | Natural Gas | IEPA | |
| BK2 | | Pine Prairie Physical Inside FERC | Natural Gas | IEPA | |
| ZAC | | REX Cheyenne Comp Pool Physical Basis LD1 | Natural Gas | IEPA | |
| ZAA | | REX Cheyenne Comp Pool Physical Fixed Price Monthly | Natural Gas | IEPA | |
| ZAB | | REX Cheyenne Comp Pool Physical Fixed Price Spot | Natural Gas | IEPA | |
| ZAD | | REX Cheyenne Comp Pool Physical Gas Daily Monthly | Natural Gas | IEPA | |
| ZAE | | REX Cheyenne Comp Pool Physical Gas Daily Spot | Natural Gas | IEPA | |
| ZAF | | REX Cheyenne Comp Pool Physical Inside FERC | Natural Gas | IEPA | |
| YAU | | Rex E-ANR Physical Basis LD1 | Natural Gas | IEPA | |
| YAT | | Rex E-ANR Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YAS | | Rex E-ANR Physical Fixed Price Spot | Natural Gas | IEPA | |
| YAW | | Rex E-ANR Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YAV | | Rex E-ANR Physical Gas Daily Spot | Natural Gas | IEPA | |
| YAX | | Rex E-ANR Physical Natural Gas Intelligence | Natural Gas | IEPA | |
| YVV | | REX E-MidW Physical Basis LD1 | Natural Gas | IEPA | |
| YVR | | REX E-MidW Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YVQ | | REX E-MidW Physical Fixed Price Spot | Natural Gas | IEPA | |
| YVT | | REX E-MidW Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YVS | | REX E-MidW Physical Gas Daily Spot | Natural Gas | IEPA | |
| YVU | | REX E-MidW Physical Inside FERC | Natural Gas | IEPA | |
| YW1 | | REX E-NGPL Physical Basis LD1 | Natural Gas | IEPA | |
| YVX | | REX E-NGPL Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YVW | | REX E-NGPL Physical Fixed Price Spot | Natural Gas | IEPA | |
| YVZ | | REX E-NGPL Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YVY | | REX E-NGPL Physical Gas Daily Spot | Natural Gas | IEPA | |
| YW0 | | REX E-NGPL Physical Inside FERC | Natural Gas | IEPA | |
| YW7 | | REX E-PEPL Physical Basis LD1 | Natural Gas | IEPA | |
| YW3 | | REX E-PEPL Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YW2 | | REX E-PEPL Physical Fixed Price Spot | Natural Gas | IEPA | |
| YW5 | | REX E-PEPL Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YW4 | | REX E-PEPL Physical Gas Daily Spot | Natural Gas | IEPA | |
| YW6 | | REX E-PEPL Physical Inside FERC | Natural Gas | IEPA | |
| YWD | | REX E-Trunk Physical Basis LD1 | Natural Gas | IEPA | |
| YW9 | | REX E-Trunk Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YW8 | | REX E-Trunk Physical Fixed Price Spot | Natural Gas | IEPA | |
| YWB | | REX E-Trunk Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YWA | | REX E-Trunk Physical Gas Daily Spot | Natural Gas | IEPA | |
| YWC | | REX E-Trunk Physical Inside FERC | Natural Gas | IEPA | |
| XKJ | | Socal Citygate Physical Basis LD1 | Natural Gas | IEPA | |
| XKG | | Socal Citygate Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XKF | | Socal Citygate Physical Fixed Price Spot | Natural Gas | IEPA | |
| XKI | | Socal Citygate Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XKH | | Socal Citygate Physical Gas Daily Spot | Natural Gas | IEPA | |
| XKK | | Socal Citygate Physical Natural Gas Intelligence | Natural Gas | IEPA | |
| YEV | | Sonat Z0 South Physical Basis LD1 | Natural Gas | IEPA | |
| YEU | | Sonat Z0 South Physical Fixed Price Monthly | Natural Gas | IEPA | |