SGX-ST may declare publicly a security or futures contract to be a "Designated Instrument" if, in its opinion, there has been manipulation of the security or futures contract (or its underlying), excessive speculation in the security or futures contract (or its underlying), or it is otherwise desirable in the interests of organised markets established or operated by SGX-ST.
Refer to Practice Note 8.11.1.
Added on 3 June 20193 June 2019.