A cancellation of on exchange trades both on and off the order book can only be carried out by
the exchange. A cancellation leads to a trade being canceled and the volume being corrected. The
exchange can cancel transactions on the trade date (mandatory for CCP-eligible securities) and
on the following business day.
How can participants request the cancellation of a trade?
The parties involved in the trade can request a cancellation using the form in the
The parties involved in the trade can request a cancellation using the Standard Trading Interface (STI).
Cancellation Requests over STI are only supported for off order book trades.
If the content of the cancellation requests match, the exchange cancels the trade by the end
of the business day.