Purge Rejected Message Fields

A Purge Rejected message is sent in response to a Purge Orders message to indicate that the mass cancellation cannot occur. Purge Rejected messages are unsequenced.

Permitted return bitfields are described in Purge Rejected.

Table 1. Purge Rejected Message Fields
FieldOffsetLengthData TypeDescription
StartOfMessage02BinaryMust be 0xBA 0xBA.
MessageLength22BinaryNumber of bytes for the message, including this field but not including the two bytes for the StartOfMessage field.
MessageType41Binary 0x48
MatchingUnit51BinaryUnsequenced application message. Matching unit will be set to 0.
SequenceNumber64BinaryUnsequenced application message. Sequence number will be set to 0.
TransactionTime108DateTimeThe time the event occurred in the Cboe Matching Engine (not the time the message was sent).
PurgeRejectReason181Text
Text1960TextHuman readable text with more information about the reject reason.
ReservedInternal791BinaryReserved for Cboe internal use.
NumberOfReturnBitfields801BinaryNumber of bitfields to follow.
ReturnBitfield1811BinaryBitfield identifying fields to return.
ReturnBitfieldn1BinaryLast bitfield.
Optional fields. . .
Table 2. Purge Rejected Message Example
Field NameHexadecimalNotes
StartOfMessage BA BAStart of message bytes.
MessageLength 72 00114 bytes
MessageType 48Purge Rejected
MatchingUnit 00Unsequenced Message, unit = 0
SequenceNumber 00 00 00 00Unsequenced Message, sequence = 0
TransactionTime E0 FA 20 F7 36 71 F8 111,294,909,373,757,324,000
PurgeRejectReason 41A
Text 41 44 4D 49 4E 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00ADMIN
ReservedInternal 00Ignore
NumberOfReturn Bitfields 0F15 bitfields to follow
ReturnBitfield1 00No fields from byte 1
ReturnBitfield2 00No fields from byte 2
ReturnBitfield3 00No fields from byte 3
ReturnBitfield4 00No fields from byte 4
ReturnBitfield5 00No fields from byte 5
ReturnBitfield6 00No fields from byte 6
ReturnBitfield7 00No fields from byte 7
ReturnBitfield8 00No fields from byte 8
ReturnBitfield9 00No fields from byte 9
ReturnBitfield10 00No fields from byte 10
ReturnBitfield11 00No fields from byte 11
ReturnBitfield12 00No fields from byte 12
ReturnBitfield13 00No fields from byte 13
ReturnBitfield14 00No fields from byte 14
ReturnBitfield15 08MassCancelID
MassCancelID 54 45 53 54 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00TEST
Cboe Titanium U.S. Options BOE Specification - Purge Rejected Message Fields | Cboe