| API | | ANR SE (Louisiana) Index Future | Natural Gas | IFED | |
| APS | | ANR SE (Louisiana) Swing Future | Natural Gas | IFED | |
| ANO | | ANR SW (Oklahoma) Basis Future | Natural Gas | IFED | |
| AOI | | ANR SW (Oklahoma) Index Future | Natural Gas | IFED | |
| AOS | | ANR SW (Oklahoma) Swing Future | Natural Gas | IFED | |
| AVL | | Austrian CEGH VTP Natural Gas Daily Futures | Natural Gas | NDEX | |
| AVM | | Austrian CEGH VTP Natural Gas Futures | Natural Gas | NDEX | |
| HHM | | Calendar Spread Option on Henry Penultimate 1-Month Calendar Spread Future | Natural Gas | IFED | |
| HMT | | Calendar Spread Option on Henry Penultimate 3-Month Calendar Spread Future | Natural Gas | IFED | |
| HMX | | Calendar Spread Option on Henry Penultimate 6-Month Calendar Spread Future | Natural Gas | IFED | |
| CON | | CG Onshore Basis Future | Natural Gas | IFED | |
| CVG | | CG Onshore Index Future | Natural Gas | IFED | |
| CVH | | CG Onshore Swing Future | Natural Gas | IFED | |
| CGB | | CG-Mainline Basis Future | Natural Gas | IFED | |
| CGA | | CG-Mainline Fixed Price Future | Natural Gas | IFED | |
| CGI | | CG-Mainline Index Future | Natural Gas | IFED | |
| CGR | | CG-Mainline Swing Future | Natural Gas | IFED | |
| CVQ | | Cheyenne Hub Swing Future | Natural Gas | IFED | |
| DGD | | Chicago Basis Future | Natural Gas | IFED | |
| CFB | | Chicago Fixed Price Future | Natural Gas | IFED | |
| CIS | | Chicago Index Future | Natural Gas | IFED | |
| CSS | | Chicago Swing Future | Natural Gas | IFED | |
| CRI | | CIG Rockies Basis Future | Natural Gas | IFED | |
| CRA | | CIG Rockies Fixed Price Future | Natural Gas | IFED | |
| CRC | | CIG Rockies Index Future | Natural Gas | IFED | |
| CRS | | CIG Rockies Swing Future | Natural Gas | IFED | |
| CVR | | Consumers Swing Future | Natural Gas | IFED | |
| ETT | | Dutch TTF Gas Spot | Natural Gas | NDXS | |
| TFU | | Dutch TTF Natural Gas 1st Line (USD/MMBTU) Average Price Options | Natural Gas | IFEU | |
| TFU | | Dutch TTF Natural Gas 1st Line Financial Futures (USD/MMBTU) | Natural Gas | IFEU | |
| TTL | | Dutch TTF Natural Gas Daily Financial Futures (ICIS) | Natural Gas | NDEX | |
| TFE | | Dutch TTF Natural Gas Daily Futures | Natural Gas | NDEX | |
| TFZ | | Dutch TTF Natural Gas Daily Options | Natural Gas | NDEX | |
| TLD | | Dutch TTF Natural Gas Last Day Financial Futures (USD/MMBTU) | Natural Gas | IFED | |
| TFO | | Dutch TTF Natural Gas Options (Futures Style Margin) | Natural Gas | NDEX | |
| DSF | | Eastern Gas Fixed Price Future | Natural Gas | IFED | |
| DOM | | Eastern Gas South Basis Future | Natural Gas | IFED | |
| DIS | | Eastern Gas South Index Future | Natural Gas | IFED | |
| DSS | | Eastern Gas South Swing Future | Natural Gas | IFED | |
| EIR | | EIA End of Draw Index | Natural Gas | IFED | |
| EIO | | EIA End of Storage Index | Natural Gas | IFED | |
| CTP | | Enable Gas Basis Future | Natural Gas | IFED | |
| CTI | | Enable Gas Index Future | Natural Gas | IFED | |
| CTS | | Enable Gas Swing Future | Natural Gas | IFED | |
| E2B | | Enbridge Station 2 Basis Future | Natural Gas | IFED | |
| E2I | | Enbridge Station 2 Index Future | Natural Gas | IFED | |
| E2S | | Enbridge Station 2 Swing Future | Natural Gas | IFED | |
| PER | | EP Permian Basis Future | Natural Gas | IFED | |
| FQP | | EP Permian Fixed Price Future | Natural Gas | IFED | |
| PEI | | EP Permian Index Future | Natural Gas | IFED | |