Auction Trade

Auction Trade messages are used to disseminate executions resulting from an auction.

Table 1. Auction Trade
Field NameOffsetLengthType/(Value)Description
Length01BinaryLength of this message including this field
Message Type110xAF Auction Trade Message
Time Offset24Time OffsetNanosecond offset from last unit timestamp
Auction ID68BinaryDay specific identifier assigned to this auction
Execution ID148BinaryDay specific identifier assigned to this execution
Price228Binary Signed Long Price Trade price. If instrument trades in percentage terms, then this represents the traded percentage with four implied decimals.
Quantity304BinaryInstrument quantity traded
Total Length=34 bytes
Cboe Titanium U.S. Options FLEX Feed Specification - Auction Trade | Cboe