A Korean trading platform triggers the KOSPI index sidecar mechanism, causing algorithmic trading to be suspended for 5 minutes.
The sidecar mechanism is mainly used to cope with sharp fluctuations in a short period, restricting only algorithmic trading, while manual trading can still proceed as normal. Unlike the Circuit Breaker mechanism, the sidecar mechanism does not suspend the entire market; instead, it is seen more as a "speed bump" during periods of market volatility.
In contrast, the Circuit Breaker mechanism is typically used during extreme market conditions and, when triggered, will suspend trading across the entire market to prevent panic-driven volatility from escalating further.
Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.
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