Trade Break Message

The Trade Break message is sent whenever an execution on Cboe is broken. Trade breaks are rare and only affect applications that rely upon Cboe execution-based data.

The Trade Break Message has the following format:

Table 1. Trade Break Message
Field NameOffsetLengthData TypeDescription
Timestamp08NumericTimestamp
Message Type81"B"Trade Break message
*Execution ID912Base 36 Numeric
  • Cboe execution identifier of the execution that was broken.
  • Execution ID refers to previously sent Order Execution or Trade messages.
Cboe Titanium U.S. Equities Last Sale Specification - Trade Break Message | Cboe