This week, four proposed rule changes became effective for self-regulatory organizations.  The Miami International Securities Exchange LLC (MIAX) filed two of the adopted rule changes: 1) permitting the listing of additional strikes until the closing of trading on the second business day prior to expiration in unusual market conditions; and 2) expanding the number of expirations available under the Short Term Option Series Program.  The NASDAQ OMX PHLX LLC (Phlx) filed the other two adopted rule changes: 1) adopting a strategy fee cap applicable to jelly rolls; and 2) amending the Permit Fee and certain Options Trading Floor Fees, including a technical amendment to the Pricing Schedule. (more…)