| ZAB | | REX Cheyenne Comp Pool Physical Fixed Price Spot | Natural Gas | IEPA | |
| ZAD | | REX Cheyenne Comp Pool Physical Gas Daily Monthly | Natural Gas | IEPA | |
| ZAE | | REX Cheyenne Comp Pool Physical Gas Daily Spot | Natural Gas | IEPA | |
| ZAF | | REX Cheyenne Comp Pool Physical Inside FERC | Natural Gas | IEPA | |
| YAU | | Rex E-ANR Physical Basis LD1 | Natural Gas | IEPA | |
| YAT | | Rex E-ANR Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YAS | | Rex E-ANR Physical Fixed Price Spot | Natural Gas | IEPA | |
| YAW | | Rex E-ANR Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YAV | | Rex E-ANR Physical Gas Daily Spot | Natural Gas | IEPA | |
| YAX | | Rex E-ANR Physical Natural Gas Intelligence | Natural Gas | IEPA | |
| YVV | | REX E-MidW Physical Basis LD1 | Natural Gas | IEPA | |
| YVR | | REX E-MidW Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YVQ | | REX E-MidW Physical Fixed Price Spot | Natural Gas | IEPA | |
| YVT | | REX E-MidW Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YVS | | REX E-MidW Physical Gas Daily Spot | Natural Gas | IEPA | |
| YVU | | REX E-MidW Physical Inside FERC | Natural Gas | IEPA | |
| YW1 | | REX E-NGPL Physical Basis LD1 | Natural Gas | IEPA | |
| YVX | | REX E-NGPL Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YVW | | REX E-NGPL Physical Fixed Price Spot | Natural Gas | IEPA | |
| YVZ | | REX E-NGPL Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YVY | | REX E-NGPL Physical Gas Daily Spot | Natural Gas | IEPA | |
| YW0 | | REX E-NGPL Physical Inside FERC | Natural Gas | IEPA | |
| YW7 | | REX E-PEPL Physical Basis LD1 | Natural Gas | IEPA | |
| YW3 | | REX E-PEPL Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YW2 | | REX E-PEPL Physical Fixed Price Spot | Natural Gas | IEPA | |
| YW5 | | REX E-PEPL Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YW4 | | REX E-PEPL Physical Gas Daily Spot | Natural Gas | IEPA | |
| YW6 | | REX E-PEPL Physical Inside FERC | Natural Gas | IEPA | |
| YWD | | REX E-Trunk Physical Basis LD1 | Natural Gas | IEPA | |
| YW9 | | REX E-Trunk Physical Fixed Price Monthly | Natural Gas | IEPA | |
| YW8 | | REX E-Trunk Physical Fixed Price Spot | Natural Gas | IEPA | |
| YWB | | REX E-Trunk Physical Gas Daily Monthly | Natural Gas | IEPA | |
| YWA | | REX E-Trunk Physical Gas Daily Spot | Natural Gas | IEPA | |
| YWC | | REX E-Trunk Physical Inside FERC | Natural Gas | IEPA | |
| REX | | REX Zone 3 Basis Future | Natural Gas | IFED | |
| REH | | REX Zone 3 Fixed Price Future | Natural Gas | IFED | |
| REI | | REX Zone 3 Index Future | Natural Gas | IFED | |
| RES | | REX Zone 3 Swing Future | Natural Gas | IFED | |
| RM5 | | Rightmove Plc | Single Stock Options | IFLO | |
| RKS | | Riksbank Dated SWESTR Futures | Short Term Interest Rates | IFLL | |
| RTZ | | Rio Tinto Plc | Single Stock Options | IFLO | |
| 8RZ | | Rio Tinto plc Mini | Mini Single Stocks | IFLO | |
| RC1 | | Robusta Coffee 1-Month Calendar Spread Option | Coffee | IFLX | |
| RC2 | | Robusta Coffee 2-Month Calendar Spread Option | Coffee | IFLX | |
| RC | | Robusta Coffee Options | Coffee | IFLX | |
| 8RR | | Rolls-Royce Group plc Mini | Mini Single Stocks | IFLO | |
| RR | | Rolls-Royce Holdings Plc | Single Stock Options | IFLO | |
| Z4G | | Rover-ANR Fixed Price Monthly | Natural Gas | IEPA | |
| Z4F | | Rover-ANR Fixed Price Spot | Natural Gas | IEPA | |
| Z4K | | Rover-ANR Physical Basis LD1 | Natural Gas | IEPA | |