Circuit breakers are measures instituted by exchanges to stop trading temporarily when the market has fallen by a certain percentage in a specified period. They are intended to guard against disorderly situations in the face of rapid and unchecked market movements and prevent a market free fall by permitting buy and sell orders to rebalance. By implementing circuit breakers, investors are given time to assimilate incoming information and make informed choices during periods of high market volatility.

SGX

Singapore Exchange (SGX) introduced circuit breakers in the securities market on 24 February 2014 as an additional market safeguard.

Please refer to the following SGX link for more details: SGX Circuit Breakers

When the circuit breaker is activated, a “CIRB” indicator will be displayed in “Rmks” column. Meanwhile, if the Structured and Company Warrants are halted due to the activation of circuit breaker in the underlying instrument, a “CIRH” indicator will be displayed in “Rmks” column of the affected counter.

The list of counters with circuit breaker triggered for the day are found on SGX Website. Scroll down to the Circuit Breaker section for the list of counters.

Note: If there is no activated circuit breaker for the day, no data will be displayed.

Other Exchanges

Please refer to the following links for more details on Circuit Breakers for other exchanges.