| HAE | | Haleon Plc | Single Stock Options | IFLO | |
| HM5 | | Halma Plc | Single Stock Options | IFLO | |
| HMS | | Hammerson PLC | Single Stock Options | IFLO | |
| TCH | | Handysize Timecharter (Baltic) Freight Future | Dry Freight | IFEU | |
| HBS | | Harbour Energy Plc (Std Option/Amer/Dlv) | Single Stock Options | IFLO | |
| HOF | | Heating Oil 1st Line Future | Crude Oil and Refined Products | IFED | |
| HOM | | Heating Oil 1st Line Mini Future | Crude Oil and Refined Products | IFED | |
| O | | Heating Oil American-Style Options | Crude Oil and Refined Products | IFEU | |
| UL9 | | Heating Oil Arb - Heating Oil 1st Line vs Low Sulphur Gasoil 1st Line Balmo Future | Crude Oil and Refined Products | IFED | |
| NYG | | Heating Oil Arb - NYH ULSHO 1st Line vs Low Sulphur Gasoil 1st Line Future (in Bbls) | Crude Oil and Refined Products | IFED | |
| HOF | | Heating Oil Average Price Options | Crude Oil and Refined Products | IFED | |
| HBT | | Heating Oil Crack - Heating Oil 1st Line vs Brent 1st Line Future (in bbls) | Crude Oil and Refined Products | IFED | |
| HBW | | Heating Oil Crack - Heating Oil 1st Line vs WTI 1st Line Future | Crude Oil and Refined Products | IFED | |
| NYP | | Heating Oil Crack - NYH ULSHO 1st Line vs Midland WTI American Gulf Coast 1st Line Future (in Bbls) | Crude Oil and Refined Products | IFED | |
| O | | Heating Oil Futures | Crude Oil and Refined Products | IFEU | |
| DDF | | Heating Oil Outright - Heating Oil 1st Line Balmo Future | Crude Oil and Refined Products | IFED | |
| OLD | | Heating Oil Outright - ICE (NYH) Heating Oil Last Day Future | Crude Oil and Refined Products | IFEU | |
| O62 | | Heating Oil Outright - NYH ULSD Future | Crude Oil and Refined Products | IFEU | |
| O67 | | Heating Oil Outright - NYH ULSHO Future | Crude Oil and Refined Products | IFEU | |
| | Heating Oil/Brent Crack Spread | Crude Oil and Refined Products | IFEU | |
| O | | Heating Oil/Low Sulphur Gasoil Futures Spread | Crude Oil and Refined Products | IFEU | |
| | Heating Oil/Permian WTI Futures Crack | Crude Oil and Refined Products | IFEU | |
| | Heating Oil/WTI Futures Crack | Crude Oil and Refined Products | IFEU | |
| HEN | | Henry Basis Future | Natural Gas | IFED | |
| HHB | | Henry Cal 1X Fixed Price ICE Lots Options | Natural Gas | IFED | |
| HHA | | Henry Cal 1X Fixed Price Options | Natural Gas | IFED | |
| HIS | | Henry Index Future | Natural Gas | IFED | |
| SDH | | Henry LD1 Same Day Fixed Price Future | Natural Gas | IFED | |
| PHE | | Henry Penultimate Fixed Price Future | Natural Gas | IFED | |
| HHP | | Henry Penultimate Fixed Price Future 25K | Natural Gas | IFED | |
| HIL | | Hikma Pharmaceuticals Plc (Std Option/Amer/Dlv) | Single Stock Options | IFLO | |
| HSB | | HSBC Holdings PLC | Single Stock Options | IFLO | |
| 8HC | | HSBC Holdings plc Mini | Mini Single Stocks | IFLO | |
| HXS | | HSC Basis Future | Natural Gas | IFED | |
| FQH | | HSC Fixed Price Future | Natural Gas | IFED | |
| SHS | | HSC Index Future | Natural Gas | IFED | |
| UCS | | HSC Swing Future | Natural Gas | IFED | |
| HKA | | HSC/Katy Index Future | Natural Gas | IFED | |
| GOX | | Hydro GO Futures | Environmental | NDEX | |
| NLD | | ICE (RBOB) Gasoline Last Day Future | Crude Oil and Refined Products | IFEU | |
| CEH | | ICE C5 ENB 1a Index Futures | Crude Oil and Refined Products | IFED | |
| CEG | | ICE C5 PEA 1a Index Futures | Crude Oil and Refined Products | IFED | |
| DT1 | | ICE Endex Dutch TTF Natural Gas 1-Month Calendar Spread Options | Natural Gas | NDEX | |
| DT0 | | ICE Endex Dutch TTF Natural Gas 12-Month Calendar Spread Options | Natural Gas | NDEX | |
| DT2 | | ICE Endex Dutch TTF Natural Gas 2-Month Calendar Spread Options | Natural Gas | NDEX | |
| DT3 | | ICE Endex Dutch TTF Natural Gas 3-Month Calendar Spread Options | Natural Gas | NDEX | |
| DT4 | | ICE Endex Dutch TTF Natural Gas 4-Month Calendar Spread Options | Natural Gas | NDEX | |
| DT5 | | ICE Endex Dutch TTF Natural Gas 5-Month Calendar Spread Options | Natural Gas | NDEX | |
| DT6 | | ICE Endex Dutch TTF Natural Gas 6-Month Calendar Spread Options | Natural Gas | NDEX | |
| TFB | | ICE Futures Europe Dutch TTF Natural Gas 1st Line Financial Balmo Futures (USD/MMBTU) | Natural Gas | IFEU | |