2019年5月25日星期六
 
專家論市
Martin Hennecke

HKEX 'circuit breaker' in review
 
16/05/2019
 
Hong Kong Exchanges and Clearing (0388) is said to be getting views on introducing a circuit breaker that suspends trading in the whole market in the event of a slump in the Hang Seng Index, local media reported.

A spokesman for the exchange said it has launched initial discussions with the business community on market micro-structure upgrades but did not comment on whether the feasibility of the circuit breaker is included in the discussions.

Hong Kong's "volatility control mechanism" halts trading in constituent stocks of the Hang Sang Index and the H-share index only when the price moves up or down by 10 percent within five minutes, giving traders a five-minute period to cool off.

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