Delete Order

The Delete Order message is sent whenever a booked order is cancelled or leaves the order book. The Order Id refers to the Order Id of the original Add Order message. An order that is deleted from the book may return to the book later under certain circumstances. Therefore, a Delete Order message does not indicate that a given Order Id will not be sent again on a subsequent Add Order message.

Table 1. Delete
Field NameOffsetLengthType/(Value)Description
Length01BinaryLength of this message including this field
Message Type110x29 Delete Order Message
Time Offset24Time OffsetNanosecond offset from last unit timestamp
Order Id68BinaryOrder Id of a previously sent Add Order message that has been removed from order book.
Total Length = 14 bytes
Cboe Titanium U.S. Options Complex Multicast PITCH Specification - Delete Order | Cboe