| 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 | |
| NIN | | Ninety One Plc - STND OPT | Single Stock Options | IFLO | |
| 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 | |
| NOR | | Norges Bank Dated NOWA Futures | Short Term Interest Rates | IFLL | |
| NBE | | Normal Butane OPIS Mt. Belvieu Other Non-TET Future | Natural Gas Liquids | IFED | |
| IBC | | Normal Butane, OPIS Conway In-Well Future | Natural Gas Liquids | IFED | |
| IBD | | Normal Butane, OPIS Conway In-Well, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| NBO | | Normal Butane, OPIS ETR ISOM Grade, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| BUE | | Normal Butane, OPIS LST ISOM Grade Future | Natural Gas Liquids | IFED | |
| NBI | | Normal Butane, OPIS Mt. Belvieu Non-TET Average Price Options | Natural Gas Liquids | IFED | |
| NBJ | | Normal Butane, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| NBR | | Normal Butane, OPIS Mt. Belvieu TET Future | Natural Gas Liquids | IFED | |
| NBS | | Normal Butane, OPIS Mt. Belvieu TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| NWL | | NWE LNG (Spark) Futures | Liquified Natural Gas | IFEU | |
| 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 | |
| N | | NYH (RBOB) Gasoline Futures | Crude Oil and Refined Products | IFEU | |
| N | | NYH (RBOB) Gasoline/Heating Oil Futures Spread | Crude Oil and Refined Products | IFEU | |
| N | | NYH (RBOB) Gasoline/Low Sulphur Gasoil Futures Spread | Crude Oil and Refined Products | IFEU | |
| | NYH (RBOB) Gasoline/Permian WTI Futures Crack | Crude Oil and Refined Products | IFEU | |
| | NYH (RBOB) Gasoline/WTI Futures Crack | Crude Oil and Refined Products | IFEU | |
| | NYH ULSHO/Brent Futures Crack | Crude Oil and Refined Products | IFEU | |
| | NYH ULSHO/Low Sulphur Gasoil Futures Spread | Crude Oil and Refined Products | IFEU | |
| | NYH ULSHO/Permian WTI Futures Crack | Crude Oil and Refined Products | IFEU | |
| | NYH ULSHO/WTI Futures Crack | Crude Oil and Refined Products | IFEU | |
| NYU | | NYISO Lower Hudson Valley Capacity Fixed Price Future | Electricity | IFED | |
| NYC | | NYISO NYC In-city Capacity Fixed Price Future | Electricity | IFED | |
| NYR | | NYISO Rest Of State Capacity Fixed Price Future | Electricity | IFED | |
| APO | | NYISO Zone A Day-Ahead Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| AOP | | NYISO Zone A Day-Ahead Off-Peak Fixed Price Future | Electricity | IFED | |
| ADP | | NYISO Zone A Day-Ahead Peak Daily Fixed Price Future | Electricity | IFED | |
| NDY | | NYISO Zone A Day-Ahead Peak Daily Mini Fixed Price Future | Electricity | IFED | |