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Messagefields4topictrade-cancels

Fields

The number on the right of each row is the protobuf field number.
trade_idstring1
UUID of the option trade being canceled.
option_symbolstring2
Option contract symbol in OSI format, for example SPY241227C00480000.
executed_atint643
Time at which the canceled trade originally executed in Unix epoch milliseconds.
trade_cancel_executed_atint644
Time at which the cancel was reported in Unix epoch milliseconds.
Last modified on September 23, 2026