Rule 11.2.1 states that an "Error Trade" refers to a trade that is executed on the Trading System and that results from:
(a) An erroneous entry in relation to the price and/or volume of an order; and/or
(b) An erroneous entry in relation to the name of the securities or futures contracts.
Added on 3 June 20193 June 2019 and 3 June 20193 June 2019.