| NGC | | Natural Gasoline, OPIS Conway In-Well Future | Natural Gas Liquids | IFED | |
| NGG | | Natural Gasoline, OPIS Conway In-Well, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| NGE | | Natural Gasoline, OPIS Mt. Belvieu Non-TET Average Price Options | Natural Gas Liquids | IFED | |
| GCY | | Natural Gasoline, OPIS Mt. Belvieu Non-TET vs Naphtha CIF NWE Cargoes (Platts) Future | Crude Oil and Refined Products | IFED | |
| NGW | | Natural Gasoline, OPIS Mt. Belvieu Non-TET vs WTI 1st Line Future | Natural Gas Liquids | IFED | |
| NGF | | Natural Gasoline, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| NBC | | Natural Gasoline, OPIS Mt. Belvieu Other Non-TET Future | Natural Gas Liquids | IFED | |
| NGL | | Natural Gasoline, OPIS Mt. Belvieu TET Future | Natural Gas Liquids | IFED | |
| NGK | | Natural Gasoline, OPIS Mt. Belvieu TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| NBT | | Nature-Based Solution Carbon Credit Vintage 2016-2020 Futures | Emissions | IFEU | |
| OVA | | Nature-Based Solution Carbon Credit Vintage 2017-2021 Futures | Emissions | IFEU | |
| OVB | | Nature-Based Solution Carbon Credit Vintage 2018-2022 Futures | Emissions | IFEU | |
| OVC | | Nature-Based Solution Carbon Credit Vintage 2019-2023 Futures | Emissions | IFEU | |
| OVD | | Nature-Based Solution Carbon Credit Vintage 2020-2024 Futures | Emissions | IFEU | |
| OVE | | Nature-Based Solution Carbon Credit Vintage 2021-2025 Futures | Emissions | IFEU | |
| OVF | | Nature-Based Solution Carbon Credit Vintage 2022-2026 Futures | Emissions | IFEU | |
| OVG | | Nature-Based Solution Carbon Credit Vintage 2023-2027 Futures | Emissions | IFEU | |
| OVH | | Nature-Based Solution Carbon Credit Vintage 2024-2028 Futures | Emissions | IFEU | |
| OVI | | Nature-Based Solution Carbon Credit Vintage 2025-2029 Futures | Emissions | IFEU | |
| OVJ | | Nature-Based Solution Carbon Credit Vintage 2026-2030 Futures | Emissions | IFEU | |
| ETN | | New York Ethanol Future | Biofuels | IFED | |
| NGB | | NGL Basket, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | 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 | |
| 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 | |