Futures contract specifications and tick values for the most liquid global carbon CO2 contracts.
| Contract Underlying | Exchange | Ticker Symbol | CCY | Contract Multiplier | Contract Unit | Units Quoted | Tick Size |
| European Carbon Units (EUA) | EEX | F2PE, F2EA, FEUA | EUR | 1,000 | EUA | EUR/tCO2 | 0.01 |
| EU Aviation Allowances (EUAA) | EEX | n/a | EUR | 1,000 | EUAA | EUR/tCO2 | 0.01 |
| Emission Reduction Units (ERU) | EEX | n/a | EUR | 1,000 | ERU | EUR/tCO2 | 0.01 |
| Certified Emission Reductions (CER) | EEX | FCER, F2CR | EUR | 1,000 | CER | EUR/tCO2 | 0.01 |
| California Carbon Allowance (CCA) | NYMEX | CCA | USD | 1,000 | CCA | USD/tCO2 | 0.01 |
| Certified Emission Reductions (CER) | IFEU | CER | EUR | 1,000 | CER | EUR/tCO2 | 0.01 |
| Emission Reduction Units (ERU) | IFEU | ERU | EUR | 1,000 | ERU | EUR/tCO2 | 0.01 |
| European Carbon Units (EUA) | IFEU | EUA,C | EUR | 1,000 | EUA | EUR/tCO2 | 0.01 |
| EU Aviation Allowances (EUAA) | IFEU | CEU | EUR | 1,000 | CEU | EUR/tCO2 | 0.01 |
| California Carbon Allowance (CCA) | IFED | CAM, CAP, CAL, CAN, CAO, CAW | USD | 1,000 | CCA | USD/tCO2 | 0.01 |
| Certified Emission Reductions (CER) | MCX | CER | INR | 250 | CER | INR/tCO2 | 0.5 |
| Carbon Credits (CFI) | MCX | CFI | INR | 200 | CFI | INR/tCO2 | 0.5 |
