U.S. Option System Status
All Options Exchanges Alerts
Listing Alert
MIAX Options
July 16, 2013 | 07:35 AM
MIAX Listing Alert: New Series 7/16/2013
The option series listed in the attached PDF will begin trading on the MIAX Options Exchange on Tuesday, July 16,...
Listing Alert
MIAX Options
July 15, 2013 | 08:11 AM
MIAX Listing Alert: New Series 07/15/2013
The option series listed in the attached PDF will begin trading on the MIAX Options Exchange on Monday, July 15,...
Trading Alert
MIAX Options
July 12, 2013 | 05:22 PM
Market for Underlying Security used for Openings on MIAX for Option Classes
Regulatory Circular 2013-43 identifies the exchange to be used as the "market for the underlying security" for purposes of Openings...
Listing Alert
MIAX Options
July 12, 2013 | 03:50 PM
MIAX Listing Alert: Listing of SPRINT CORPORATION (S) Temporarily Postponed
The MIAX Options Exchange has elected to temporarily postpone the listing of options on SPRINT CORPORATION (S) pending the completion...
Trading Alert
MIAX Options
July 12, 2013 | 02:29 PM
MIAX Options Interface Specification (FOI, MEI, ToM & CTD) Updates to Support Additional Features
MIAX Options has just released updated Interface Specifications for the FIX Order Interface (FOI), MIAX Express Interface (MEI), Top of...
Trading Alert
MIAX Options
July 12, 2013 | 02:15 PM
5X Re-Opening Quote Spread Relief in ALXN
Issue Symbol: ALXN Multiplier: 5X Reason: In maintenance of a fair and orderly market. Time: Re-Opening Only Subject Summary: Please be advised the MIAX Regulation Department has...
Trading Alert
MIAX Options
July 12, 2013 | 11:39 AM
Minimum Quote Size Requirement for Symbols CMG and ISRG effective July 15, 2013
Regulatory Circular 2013-42 refers to the minimum quote size for MIAX Market Makers for the symbols CMG and ISRG. Please contact...
Listing Alert
MIAX Options
July 12, 2013 | 11:11 AM
MIAX Listing Alert: New Listing
The option class listed below will begin trading on the MIAX Options Exchange on Monday, July 15, 2013. S -...