| ALC | allocation trade qty |
| AS | option assignment |
| ASF | as of trade qty |
| DLV | delivery qty |
| ETR | electronic trade qty |
| EX | option exercise qty |
| FIN | end of day qty |
| IAS | intra spread qty |
| IES | inter spread qty |
| PA | adjustment qty |
| PIT | pit trade qty |
| SOD | start of day qty |
| SPL | integral split |
| TA | transaction from assignment |
| TOT | total transaction qty |
| TQ | transaction quantity |
| TRF | transfer trade qty |
| TX | transaction from exercise |
| XM | cross margin qty |