OSE will announce SPAN Parameters for calculating margin requirements at the end of 2012 and at the beginning of 2013 as below.
| Announcement Date | Applied Period |
|---|---|
| Dec. 25, 2012 | Applied from Jan. 4, 2013 to Jan. 11, 2013 |
| Jan. 7, 2013 | Applied from Jan. 15, 2013 to Jan. 18, 2013 |
