This message is used to request information about the status of a market. With the move to multiple sessions occurring for a given trading party, e.g. morning and evening sessions, there is a need to be able to provide information on what product is trading on what market.

This message can be used to inquire about the trading status of a trading party. It can be used to subscribe to updates to the status of a trading session by setting SubscriptionRequestType (263) = 1.

To list the securities available during a particular trading session, see Security Definition Request <35=c>.