End of Session

The End of Session message is sent for each unit when the unit shuts down. No more messages will be delivered for this unit, but heartbeats from the unit may be received.

Table 1. End of Session
Field Name Offset Length Type/(Value) Description
Length 0 1 Binary Length of this message including this field
Message Type 1 1 0x2D End of Session Message
Timestamp 2 4 Binary Nanosecond offset from last unit timestamp
Total Length = 6 bytes
Cboe Titanium U.S. Options FLEX Feed Specification - End of Session | Cboe