Unit Clear Message Fields
The Unit Clear message instructs feed recipients to clear all orders for the Cboe complex book in the unit specified in the Sequenced Unit Header. For Equities only, this message will be sent at startup each day. It would also be distributed in certain recovery events such as a data center fail-over.
| Field Name | Offset | Length | Type/(Value) | Description |
|---|---|---|---|---|
| Length | 0 | 1 | Binary | Length of this message including this field |
| Message Type | 1 | 1 | 0x97 | Unit Clear Message |
| Time Offset | 2 | 4 | Time Offset | Nanosecond offset from last unit timestamp |
| Total Length = 6 bytes | ||||