Kosdaq plunged on Tuesday, triggering a temporary halt to program sell orders, known as a sidecar, for the first time in about 4 months.
The Korea Exchange said program sell orders were suspended for 5 minutes at around 10:31:06 a.m. due to moves in the Kosdaq 150 futures price and the spot index.
At the time it was triggered, the Kosdaq 150 futures price stood at 1,889.20, down 127.30 points, or 6.31 percent, from the previous close.
The Kosdaq 150 spot index was at 1,884.13, down 126.06 points, or 6.27 percent.
Kosdaq last triggered a sell-sidecar on Nov. 5 last year.
KOSPI also triggered a sell-sidecar at 9:05 a.m., 5 minutes after the market opened.
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