U.S. Option System Status
All Options Exchanges Alerts
Trading Alert
MIAX Emerald
February 28, 2019 | 02:40 PM
Enhanced Aggregate Risk Manager Notifications
Market Makers may determine to engage any of the following Enhanced Aggregate Risk Manager Protections by notifying the Trading Operations...
Regulatory Alert
MIAX Emerald
February 28, 2019 | 02:38 PM
Reset on Quote Notification
Members must contact the Trading Operations Help Desk to disengage or re-engage the Reset on Quote functionality for an option...
Regulatory Alert
MIAX Emerald
February 28, 2019 | 02:37 PM
Aggregate Risk Manager Default Settings
MIAX Emerald Regulatory Circular 2019-24 describes the MIAX Emerald Aggregate Risk Manager functionality and the Exchange-established default specified time period...
Trading Alert
MIAX Emerald
February 28, 2019 | 02:37 PM
Obvious Error and Appeal Submission of Notification
Please refer to MIAX Emerald Regulatory Circular 2019-23 for instructions of Obvious Error and Obvious error Appeal notifications. Regulatory questions may...
Regulatory Alert
MIAX Emerald
February 28, 2019 | 02:36 PM
Risk Protection Monitor
Please refer to MIAX Emerald Regulatory Circular 2019-22 for details on the Risk Protection Monitor (RPM) describing mandatory Member participation...
Trading Alert
MIAX Emerald
February 28, 2019 | 02:36 PM
Options Cancel on Disconnect
MIAX Emerald Regulatory Circular 2019-21 describes the Cancel on Disconnect feature when the System detects a Loss of Communication on...
Trading Alert
MIAX Emerald
February 28, 2019 | 02:35 PM
Mandatory Usage of MIAX Order Monitor Protections
MIAX Emerald Regulatory Circular 2019-20 describes the MIAX Order Monitor feature and default value applied should a Member fail to...
Regulatory Alert
MIAX Emerald
February 28, 2019 | 02:31 PM
Opening and Intra-day Quote Width Requirements for Certain Symbols Trading on MIAX Emerald Beginning March 1, 2019 through Friday, March 29, 2019
MIAX Emerald Regulatory Circular 2019-19 identifies MIAX Emerald listed classes with a maximum quote width greater than five (5) dollars...