Instrument Definition Request Message Fields

The Instrument Definition Request message is used to request transmission of this unit's OOF Symbol Mappings and Complex Instrument Definitions. All OOF Symbol Mapping messages will be sent before Complex Instrument Definition Expanded messages. Refer to Spin Servers for more complete details regarding Sequence specification as well as buffering requirements.

Table 1. Instrument Definition Request
Field NameOffsetLengthType/(Value)Description
Length01BinaryLength of this message including this field.
Message Type110x84 Instrument Definition Request message.
Sequence24BinaryMust be 0. Only the current Symbol Mappings and Complex Instrument Definitions are available.
Total Length = 6 bytes
Cboe Titanium Cboe Futures Exchange OOF Multicast Depth of Book (PITCH) Specification - Instrument Definition Request Message Fields | Cboe