Cboe Market Status Message Fields

The Cboe Market Status message is disseminated to reflect a change in the status of a market. All markets should be assumed to be Normal unless otherwise indicated by a Cboe Market Status message.

The Incomplete market status is used to indicate the feed has not delivered updates for all a market center’s symbols and that the feed is transitioning to Normal. If a market center transitions from Normal to Excluded the feed will deliver updates of symbol quote/ADAP information to properly reflect the state of the combined book. At the start of a market center’s transition from Excluded to Normal a Cboe Market Status message will be sent with Incomplete for the market center’s status. Symbol quote/ADAP information will then be sent for all applicable symbols. Once the market center’s symbol information has been disseminated a Cboe Market Status message will be delivered with a Normal market status.