| 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 | |
| NBN | | Normal Butane, OPIS Mt. Belvieu Non-TET vs RBOB Gasoline 1st Line Future | Natural Gas Liquids | IFED | |
| NBW | | Normal Butane, OPIS Mt. Belvieu Non-TET vs WTI 1st Line | 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 | |
| 8V9 | | NVIDIA Corporation - STND Future | Mini Stock Futures | IFLO | |
| 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 | |
| NAY | | NYISO Zone A Day-Ahead Peak Fixed Price Future | Electricity | IFED | |
| NRS | | NYISO Zone A Real-Time Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| NRR | | NYISO Zone A Real-Time Peak Daily Fixed Price Future | Electricity | IFED | |
| ZBD | | NYISO Zone B Day-Ahead Off-Peak Fixed Price Future | Electricity | IFED | |
| ZBB | | NYISO Zone B Day-Ahead Peak Fixed Price Future | Electricity | IFED | |
| NCO | | NYISO Zone C Day-Ahead LBMP Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| NCP | | NYISO Zone C Day-Ahead LBMP Peak Daily Fixed Price Future | Electricity | IFED | |
| ZCD | | NYISO Zone C Day-Ahead Off-Peak Fixed Price Future | Electricity | IFED | |