| ER4 | | ERCOT West 345KV Real-Time Daily HE 1800-2200 Fixed Price Future, 7X | Electricity | IFED | |
| ER8 | | ERCOT West 345KV Real-Time Daily TB4 Fixed Price Future, 7X | Electricity | IFED | |
| WED | | ERCOT West 345KV Real-Time Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| WEB | | ERCOT West 345KV Real-Time Off-Peak Fixed Price Future | Electricity | IFED | |
| EDC | | ERCOT West 345KV Real-Time Peak 2x16 Fixed Price Future | Electricity | IFED | |
| EWD | | ERCOT West 345KV Real-Time Peak Daily Fixed Price Future | Electricity | IFED | |
| ERW | | ERCOT West 345KV Real-Time Peak Fixed Price Future | Electricity | IFED | |
| ERJ | | ERCOT West 345KV Real-Time TB4 Fixed Price Future, 7X | Electricity | IFED | |
| WZC | | ERCOT West Load Zone Day-Ahead Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| WZD | | ERCOT West Load Zone Day-Ahead Off-Peak Fixed Price Future | Electricity | IFED | |
| WZA | | ERCOT West Load Zone Day-Ahead Peak Daily Fixed Price Future | Electricity | IFED | |
| WZB | | ERCOT West Load Zone Day-Ahead Peak Fixed Price Future | Electricity | IFED | |
| YGT | | ERCOT West Load Zone HE 0100-0600, 2300, 2400, 7x Daily Fixed Price | Electricity | IEPA | |
| YGU | | ERCOT West Load Zone HE 0100-0600, 2300, 2400, 7x Fixed Price | Electricity | IEPA | |
| YGL | | ERCOT West Load Zone Off-Peak Weekend Daily Fixed Price | Electricity | IEPA | |
| OEW | | ERCOT West Load Zone Real-Time Off-Peak Fixed Price Future | Electricity | IFED | |
| EDW | | ERCOT West Load Zone Real-Time Peak Fixed Price Future | Electricity | IFED | |
| XQS | | ERCOT West LZ Physical Peak HE 0700-2200 Fixed Price | Electricity | IEPA | |
| XS0 | | ERCOT West LZ Physical ATC | Electricity | IEPA | |
| XR9 | | ERCOT West LZ Physical ATC Daily | Electricity | IEPA | |
| XZZ | | ERCOT West LZ Physical Off-Peak Daily Fixed Price | Electricity | IEPA | |
| XQT | | ERCOT West LZ Physical Off-Peak Fixed Price | Electricity | IEPA | |
| XOV | | ERCOT West LZ Physical Peak HE 0700-2200 Daily Fixed Price | Electricity | IEPA | |
| | Ethane Contained in E/P Mix, Fixed Price | Natural Gas Liquids | IEPA | |
| ECC | | Ethane in E/P Mix, OPIS Conway in-Well Average Price Options | Natural Gas Liquids | IFED | |
| ECC | | Ethane in E/P Mix, OPIS Conway In-Well Future | Natural Gas Liquids | IFED | |
| ECD | | Ethane in E/P Mix, OPIS Conway In-Well, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| ECA | | Ethane in E/P Mix, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| ECB | | Ethane in E/P Mix, OPIS Mt. Belvieu Non-TET Future | Natural Gas Liquids | IFED | |
| | Ethane, Fixed Price | Natural Gas Liquids | IEPA | |
| ETE | | Ethane, OPIS Mt. Belvieu Non-TET Average Price Options | Natural Gas Liquids | IFED | |
| ETF | | Ethane, OPIS Mt. Belvieu Non-TET, Fixed Price Balmo Future | Natural Gas Liquids | IFED | |
| ETD | | Ethane, OPIS Mt. Belvieu Other Non-TET Future | Natural Gas Liquids | IFED | |
| EFT | | Ethanol Outright - Ethanol T2 FOB Rotterdam Barges (Platts) Balmo Future | Biofuels | IFEU | |
| EFR | | Ethanol T2 FOB Rotterdam Barges (Platts) Future | Biofuels | IFEU | |
| EBN | | Ethylene, ICIS CFR NE Asia Future | Petrochemicals | IFED | |
| EBS | | Ethylene, ICIS CFR SE Asia Future | Petrochemicals | IFED | |
| EFN | | Ethylene, ICIS FD NWE Future | Petrochemicals | IFED | |
| CVY | | Ethylene, OPIS PCW Choctaw Future | Petrochemicals | IFED | |
| ETG | | Ethylene, OPIS PCW Mont Belvieu Enterprise Balmo Future | Petrochemicals | IFED | |
| ETH | | Ethylene, OPIS PCW Mont Belvieu Enterprise Future | Petrochemicals | IFED | |
| BUL | | EU-Style Brent Future | Crude Oil and Refined Products | IFEU | |
| BUL | | EU-Style Brent Options | Crude Oil and Refined Products | IFEU | |
| WUL | | EU-Style WTI Future | Crude Oil and Refined Products | IFED | |
| WUL | | EU-Style WTI Options | Crude Oil and Refined Products | IFED | |
| EC2 | | EUA 2 Futures | Emissions | NDEX | |
| ECP | | EUA Daily Future | Emissions | NDEX | |
| EFO | | EUA Futures Options (Futures Style Margin) | Emissions | NDEX | |
| EFG | | EUA Mini Futures | Emissions | NDEX | |
| KRA | | Euro Currency Pairs Euro/Australian Dollar Futures (125) | Cross Rates | IFUS | |