| XTW | | TETCO STX Physical Inside FERC | Natural Gas | IEPA | |
| SXC | | TETCO STX Swing Future | Natural Gas | IFED | |
| TWB | | TETCO WLA Basis Future | Natural Gas | IFED | |
| CVO | | TETCO WLA Index Future | Natural Gas | IFED | |
| XVQ | | TETCO WLA Physical Basis LD1 | Natural Gas | IEPA | |
| XVN | | TETCO WLA Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XVM | | TETCO WLA Physical Fixed Price Spot | Natural Gas | IEPA | |
| XVP | | TETCO WLA Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XVO | | TETCO WLA Physical Gas Daily Spot | Natural Gas | IEPA | |
| XVR | | TETCO WLA Physical Inside FERC | Natural Gas | IEPA | |
| CVP | | TETCO WLA Swing Future | Natural Gas | IFED | |
| TXB | | Texas Compliance Solar Renewable Energy Certificate from CRS Listed™ Facilities Back Half Specific Future | Physical Environmental | IFED | |
| TXF | | Texas Compliance Solar Renewable Energy Certificate from CRS Listed™ Facilities Front Half Specific Future | Physical Environmental | IFED | |
| TBH | | Texas Renewable Energy Certificate from CRS Listed Facilities Back Half Specific Future | Physical Environmental | IFED | |
| TXS | | Texas Renewable Energy Certificate from CRS Listed Facilities Back Half Specific Prior year Future | Physical Environmental | IFED | |
| TFH | | Texas Renewable Energy Certificate from CRS Listed Facilities Front Half Specific Future | Physical Environmental | IFED | |
| TXH | | Texas Renewable Energy Certificate from CRS Listed Facilities Front Half Specific Prior Year Future | Physical Environmental | IFED | |
| Z1P | | TGP - Zone 1, Station 87 Pool Physical Basis LD1 | Natural Gas | IEPA | |
| Z1M | | TGP - Zone 1, Station 87 Pool Physical Fixed Price Monthly | Natural Gas | IEPA | |
| Z1L | | TGP - Zone 1, Station 87 Pool Physical Fixed Price Spot | Natural Gas | IEPA | |
| Z1O | | TGP - Zone 1, Station 87 Pool Physical Gas Daily Monthly | Natural Gas | IEPA | |
| Z1N | | TGP - Zone 1, Station 87 Pool Physical Gas Daily Spot | Natural Gas | IEPA | |
| Z87 | | TGP - Zone 1, Station 87 Pool Physical Inside FERC | Natural Gas | IEPA | |
| XLQ | | TGP 500L Physical Basis LD1 | Natural Gas | IEPA | |
| XLN | | TGP 500L Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XLM | | TGP 500L Physical Fixed Price Spot | Natural Gas | IEPA | |
| XLP | | TGP 500L Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XLO | | TGP 500L Physical Gas Daily Spot | Natural Gas | IEPA | |
| XLR | | TGP 500L Physical Inside FERC | Natural Gas | IEPA | |
| XLW | | TGP 800L Physical Basis LD1 | Natural Gas | IEPA | |
| XLT | | TGP 800L Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XLS | | TGP 800L Physical Fixed Price Spot | Natural Gas | IEPA | |
| XLV | | TGP 800L Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XLU | | TGP 800L Physical Gas Daily Spot | Natural Gas | IEPA | |
| XLX | | TGP 800L Physical Inside FERC | Natural Gas | IEPA | |
| XXH | | TGP Z0 North Physical Basis LD1 | Natural Gas | IEPA | |
| XXI | | TGP Z0 North Physical Inside FERC | Natural Gas | IEPA | |
| XZJ | | TGP Z0 South Physical Basis LD1 | Natural Gas | IEPA | |
| XZK | | TGP Z0 South Physical Inside FERC | Natural Gas | IEPA | |
| XXE | | TGP Zone 0 North Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XXD | | TGP Zone 0 North Physical Fixed Price Spot | Natural Gas | IEPA | |
| XXG | | TGP Zone 0 North Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XXF | | TGP Zone 0 North Physical Gas Daily Spot | Natural Gas | IEPA | |
| XZG | | TGP Zone 0 South Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XZF | | TGP Zone 0 South Physical Fixed Price Spot | Natural Gas | IEPA | |
| XZI | | TGP Zone 0 South Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XZH | | TGP Zone 0 South Physical Gas Daily Spot | Natural Gas | IEPA | |
| XWI | | TGT Mainline Physical Basis LD1 | Natural Gas | IEPA | |
| XWF | | TGT Mainline Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XWE | | TGT Mainline Physical Fixed Price Spot | Natural Gas | IEPA | |