Order and Quote Subreason Codes

The following is a list of subreason codes used to indicate additional detail for order rejections or cancellations. The code will be followed by free form text. The specific text the system delivers may vary from the text listed below, to provide clarification of the reject or cancel reason. Cboe may add additional values without notice. Users must gracefully ignore unknown values.

Table 1. Order and Quote Subreason Codes
CodeDescription
APurge/mass cancel EFID level by user
BPurge/mass cancel Symbol level by user
CPurge/mass cancel Custom Group ID level by user
EEFID level lockout by Cboe Trade Desk admin
JFirm disconnect
KME disconnect
LUnregistered MM Account
SMinimum size requirement not met
TCboe Trade Desk admin
fRisk management EFID level by rule
sRisk management Symbol level by rule
+Risk management EFID Group level by rule
Cboe Titanium U.S. Options BOEv3 Specification - Order and Quote Subreason Codes | Cboe