Symbol Mapping Message Fields

A Symbol Mapping message is used to map the 6 character multicast feed symbol field to an OSI symbol and Underlying. These messages are not sequenced (sequence = 0) and are sent continuously through the day at variable rates as bandwidth allows.

Table 1. Symbol Mapping
Field NameOffsetLengthType/(Value)Description
Length01BinaryLength of this message including this field.
Message Type110x2E Symbol Mapping Message.
Feed Symbol26Printable ASCIISymbol right padded with spaces.
OSI Symbol821Printable ASCIIOSI Symbol
Symbol Condition291Alphanumeric
  • N = Normal
  • C = Closing Only
Underlying308AlphanumericSymbol of underlying equity right padded with spaces. All spaces if not available or not applicable.
Total Length = 38 bytes
Cboe Titanium U.S. Options Complex Multicast PITCH Specification - Symbol Mapping | Cboe