Order Granting Approval of Proposed Rule Change, as Modified by Amendment No. 1, Amending Rule 903(h) and Related Commentary .10 To Expand the Number of Expirations Available Under the Short Term Option Series Program ("STOS Program"), To Allow for the Exchange To Delist Series in the STOS Program That Do Not Have Open Interest, and To Expand the Number of Series in the STOS Program Under Limited Circumstances