Cancels an existing order on the exchange.
Request to cancel an existing order with the given details.
Client assigned ID for the order cancel.
Exchange assigned ID for the order to be cancelled (required).
"1ABC2DEF3GHI4"
The instrument symbol for the order (required).
"aec-nfl-buf-nyj-2025-01-15"
The sub type of the instrument symbol.
A successful response.
The response is of type object.