| 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 | |
| EFT | | Ethanol T2 FOB Rotterdam Barges Balmo Swap | Crude Oil and Refined | ICES | |
| EFR | | Ethanol T2 FOB Rotterdam Barges Swap | Crude Oil and Refined | ICES | |
| 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 | |
| KGB | | Euro Currency Pairs Euro/British Pound Futures | Cross Rates | IFUS | |
| KEP | | Euro Currency Pairs Euro/Canadian Dollar Futures | Cross Rates | IFUS | |
| EZ | | Euro Currency Pairs Euro/Czech Koruna Futures | Emerging Markets | IFUS | |
| HR | | Euro Currency Pairs Euro/Hungarian Forint Futures | Emerging Markets | IFUS | |
| KEJ | | Euro Currency Pairs Euro/Japanese Yen Futures | Cross Rates | IFUS | |
| KOL | | Euro Currency Pairs Euro/Norwegian Krone Futures | Emerging Markets | IFUS | |
| YZ | | Euro Currency Pairs Euro/South African Rand Futures | Emerging Markets | IFUS | |
| KRK | | Euro Currency Pairs Euro/Swedish Krona Futures | Cross Rates | IFUS | |
| KRZ | | Euro Currency Pairs Euro/Swiss Franc Futures | Cross Rates | IFUS | |
| GDG | | Eurobob Oxy FOB Rotterdam Barges Swap | Crude Oil and Refined | ICES | |
| MHP | | Eurobob Oxy Gasoline NWE FOB Barges (GX) Balmo Mini Future | Crude Oil and Refined Products | IFEU | |
| MHN | | Eurobob Oxy Gasoline NWE FOB Barges (GX) Future | Crude Oil and Refined Products | IFEU | |
| MHO | | Eurobob Oxy Gasoline NWE FOB Barges (GX) Mini Future | Crude Oil and Refined Products | IFEU | |
| EXP | | Experian PLC | Single Stock Options | IFLO | |
| OJ | | FCOJ-A Options | Frozen Orange Juice | IFUS | |
| | FE Hub Real Time Financial Off-Peak (bilateral) | Electricity | IEPA | |
| | FE Hub Real Time Financial Peak (bilateral) | Electricity | IEPA | |
| OIS | | Federal Open Market Committee (FOMC) Rate Decision - Unchanged Future | Economic Indicators | IFUS | |
| OID | | Federal Open Market Committee (FOMC) Rate Decision – Lower Rates Future | Economic Indicators | IFUS | |
| OIR | | Federal Open Market Committee (FOMC) Rate Decision – Raise Rates Future | Economic Indicators | IFUS | |
| WSY | | Ferguson Plc | Single Stock Options | IFLO | |
| SY5 | | Five Year Mid-Curve Option on Three Month SONIA Index Future | Short Term Interest Rates | IFLL | |
| K5 | | Five Year Mid-Curve Options on Euribor ® Futures | Short Term Interest Rates | IFLL | |
| O | | FIVE-YEAR € SWAPNOTE® FUTURE | Swapnotes | IFLL | |