| UPL | | UK Peak Electricity Future (Gregorian) | Electricity | IFEU | |
| UBL / M | | UK Spark Spread | Electricity | IFEU | |
| DUK | | UKA Daily Futures | Emissions | IFEU | |
| UKA | | UKA Futures | Emissions | IFEU | |
| UKA | | UKA Options | Emissions | IFEU | |
| UK5 | | UKA UK Auction | Emissions | IFEU | |
| UCM | | ULSD 10ppm CIF Med Cargoes Future | Crude Oil and Refined Products | IFEU | |
| UMC | | ULSD 10ppm CIF MED Cargoes vs Low Sulphur Gasoil 1st Line Balmo Swap | Crude Oil and Refined | ICES | |
| ULI | | ULSD 10ppm CIF MED Cargoes vs Low Sulphur Gasoil 1st Line Swap | Crude Oil and Refined | ICES | |
| ULO | | ULSD 10ppm CIF NWE Cargoes Balmo Future | Crude Oil and Refined Products | IFEU | |
| ULN | | ULSD 10ppm CIF NWE Cargoes Future | Crude Oil and Refined Products | IFEU | |
| UMD | | ULSD 10ppm CIF NWE Cargoes vs Low Sulphur Gasoil 1st Line Balmo Swap | Crude Oil and Refined | ICES | |
| ULF | | ULSD 10ppm CIF NWE Cargoes vs Low Sulphur Gasoil 1st Line Swap | Crude Oil and Refined | ICES | |
| G30 | | Ultra Long Bund Future | Medium/Long Term Interest Rates | IFLL | |
| U | | Ultra Long Gilt Future | Medium/Long Term Interest Rates | IFLL | |
| ULO | | Unilever plc | Single Stock Options | IFLO | |
| ULV | | Unilever PLC Ex-Event | Single Stock Options | IFLO | |
| 8UL | | Unilever plc Mini | Mini Single Stocks | IFLO | |
| UG5 | | Unite Group | Single Stock Options | IFLO | |
| UUL | | United Utilities Plc | Single Stock Options | IFLO | |
| UCF | | Urals Med vs Dated Brent Swap | Crude Oil and Refined | ICES | |
| UCG | | Urals Med vs Dated Brent Balmo Swap | Crude Oil and Refined | ICES | |
| UCG | | Urals Med vs Dated Brent CFD Balmo Future | Crude Oil and Refined Products | IFEU | |
| | Urals Med vs Dated Brent Half Monthly Swap | Crude Oil and Refined | ICES | |
| CFV | | Urals North vs Dated Brent CFD Balmo Future | Crude Oil and Refined Products | IFEU | |
| CFU | | Urals NWE vs Dated Brent Swap | Crude Oil and Refined | ICES | |
| CFV | | Urals NWE vs Dated Brent Balmo Swap | Crude Oil and Refined | ICES | |
| | Urals NWE vs Dated Brent Half Monthly Swap | Crude Oil and Refined | ICES | |
| DX | | US Dollar Index® Options | ICE U.S. Dollar Index (USDX) | IFUS | |
| EIW | | US EIA Financial Weekly Index (100 USD) | Natural Gas | IFED | |
| RBP | | USGC HSFO Fuel Oil Balmo Swap | Crude Oil and Refined | ICES | |
| RBO | | USGC HSFO Fuel Oil Swap | Crude Oil and Refined | ICES | |
| GCS | | USGC HSFO Fuel Oil vs Brent 1st Line Swap | Crude Oil and Refined | ICES | |
| GOD | | USGC HSFO Fuel Oil vs Fuel Oil 3.5% FOB Rotterdam Barges Balmo Swap | Crude Oil and Refined | ICES | |
| GOE | | USGC HSFO Fuel Oil vs Fuel Oil 3.5% FOB Rotterdam Barges Swap | Crude Oil and Refined | ICES | |
| GUF | | USGC HSFO Fuel Oil vs. WTI 1st Line Swap | Crude Oil and Refined | ICES | |
| VRS | | Vedanta Resources Plc | Single Stock Options | IFLO | |
| VCR | | Virginia Compliance Renewable Energy Credit Future | Physical Environmental | IFED | |
| VOD | | Vodafone Group Plc | Single Stock Options | IFLO | |
| 8VO | | Vodafone Group plc Mini | Mini Single Stocks | IFLO | |
| WAH | | Waha Basis Future | Natural Gas | IFED | |
| FQW | | Waha Fixed Price Future | Natural Gas | IFED | |
| WAI | | Waha Index Future | Natural Gas | IFED | |
| XT8 | | Waha Physical Basis LD1 | Natural Gas | IEPA | |
| XT7 | | Waha Physical Fixed Price Monthly | Natural Gas | IEPA | |
| XT6 | | Waha Physical Fixed Price Spot | Natural Gas | IEPA | |
| XU0 | | Waha Physical Gas Daily Monthly | Natural Gas | IEPA | |
| XT9 | | Waha Physical Gas Daily Spot | Natural Gas | IEPA | |
| XU1 | | Waha Physical Inside FERC | Natural Gas | IEPA | |
| WAS | | Waha Swing Future | Natural Gas | IFED | |