| IGA | | Italian PSV Natural Gas Futures | Natural Gas | NDEX | |
| KTB | | Katy Basis Future | Natural Gas | IFED | |
| KTI | | Katy Index Future | Natural Gas | IFED | |
| KTS | | Katy Swing Future | Natural Gas | IFED | |
| KSS | | Kern Delivered Swing Future | Natural Gas | IFED | |
| MLN | | Malin Basis Future | Natural Gas | IFED | |
| MAF | | Malin Fixed Price Future | Natural Gas | IFED | |
| MIS | | Malin Index Future | Natural Gas | IFED | |
| MSS | | Malin Swing Future | Natural Gas | IFED | |
| NMC | | Michcon Basis Future | Natural Gas | IFED | |
| FQM | | Michcon Fixed Price Future | Natural Gas | IFED | |
| NMI | | Michcon Index Future | Natural Gas | IFED | |
| NMS | | Michcon Swing Future | Natural Gas | IFED | |
| MRB | | Millennium East Pool Basis Future | Natural Gas | IFED | |
| MRA | | Millennium East Pool Index Future | Natural Gas | IFED | |
| MRC | | Millennium East Pool Swing Future | Natural Gas | IFED | |
| MCO | | NGPL Midcont Basis Future | Natural Gas | IFED | |
| MCN | | NGPL Midcont Fixed Price Future | Natural Gas | IFED | |
| MCI | | NGPL Midcont Index Future | Natural Gas | IFED | |
| MTS | | NGPL Midcont Swing Future | Natural Gas | IFED | |
| NSX | | NGPL STX Basis Future | Natural Gas | IFED | |
| NXI | | NGPL STX Index Future | Natural Gas | IFED | |
| NXS | | NGPL STX Swing Future | Natural Gas | IFED | |
| NTO | | NGPL TXOK Basis Future | Natural Gas | IFED | |
| NTH | | NGPL TXOK Fixed Price Future | Natural Gas | IFED | |
| NTI | | NGPL TXOK Index Future | Natural Gas | IFED | |
| NTS | | NGPL TXOK Swing Future | Natural Gas | IFED | |
| DEM | | NNG Demarc Basis Future | Natural Gas | IFED | |
| DEI | | NNG Demarc Index Future | Natural Gas | IFED | |
| DES | | NNG Demarc Swing Future | Natural Gas | IFED | |
| NVE | | NNG Ventura Basis Future | Natural Gas | IFED | |
| NNH | | NNG Ventura Fixed Price Future | Natural Gas | IFED | |
| NNI | | NNG Ventura Index Future | Natural Gas | IFED | |
| NNS | | NNG Ventura Swing Future | Natural Gas | IFED | |
| NWR | | NWP Rockies Basis Future | Natural Gas | IFED | |
| FQR | | NWP Rockies Fixed Price Future | Natural Gas | IFED | |
| RSI | | NWP Rockies Index Future | Natural Gas | IFED | |
| RSS | | NWP Rockies Swing Future | Natural Gas | IFED | |
| NSU | | NWP Sumas Basis Future | Natural Gas | IFED | |
| NIS | | NWP Sumas Index Future | Natural Gas | IFED | |
| NSS | | NWP Sumas Swing Future | Natural Gas | IFED | |
| ONE | | ONEOK Gas Transportation Basis Future | Natural Gas | IFED | |
| ONI | | ONEOK Gas Transportation Index Future | Natural Gas | IFED | |
| ONS | | ONEOK Gas Transportation Swing Future | Natural Gas | IFED | |
| FQN | | Option on AB NIT Fixed Price Future | Natural Gas | IFED | |
| ALG | | Option on Algonquin Citygates Fixed Price Future | Natural Gas | IFED | |
| CGA | | Option on CG Mainline Fixed Price Future | Natural Gas | IFED | |
| CFB | | Option on Chicago Fixed Price Future | Natural Gas | IFED | |
| CRA | | Option on CIG Rockies Fixed Price Future | Natural Gas | IFED | |
| DSF | | Option on Eastern Gas Fixed Price Future | Natural Gas | IFED | |