| Month Code Abbreviations | |
| F | January |
| G | February |
| H | March |
| J | April |
| K | May |
| M | June |
| N | July |
| Q | August |
| U | September |
| V | October |
| X | November |
| Z | December |
First Trading Day, RollOver Day and Expiration Days (eMinis)
| Code | Month | First Trades | RollOver Thursday | Expiration Friday |
| 2012 | ||||
| H | March | 12/08/11 | 03/08/12 | 03/16/12 |
| M | June | 03/08/12 | 06/07/12 | 06/15/12 |
| U | September | 06/07/12 | 09/13/12 | 09/21/12 |
| Z | December | 09/13/12 | 12/13/12 | 12/21/12 |
Gold (GC) Expirations
| Code | Month | First Trades | RollOver Thursday | Expiration Friday |
| 2012 | ||||
| F | January | 12/30/11 | ||
| G | February | 1/31/12 | ||
| H | March | 2/29/12 | ||
| J | April | 3/30/12 | ||
| K | May | 4/30/12 | ||
| M | June | 5/31/12 | 6/7/12 | 6/15/12 |
| N | July | 6/30/12 | 7/12/12 | 7/20/12 |
| Q | August | 7/31/12 | 8/9/12 | 8/17/12 |
| V | October | 9/28/12 | 10/11/12 | 10/19/12 |
| Z | December | 11/30/12 | 12/13/12 | 12/21/12 |