Trade Cancel or Correct Message Fields

Used to relay a trade which has been cancelled (busted) or corrected (price change only). The CorrectedPrice field will be set to 0 for cancelled trades and to the new trade price for corrected trades. Trade Cancel or Correct messages can be sent for same day as well as previous day trades.

Cboe Titanium U.S. Equities BOEv3 Specification - Trade Cancel or Correct Message Fields | Cboe