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KRX activates buy-side sidecar for KOSPI amid sharp gains

Created at 12 Jun · 12:21 AM1 source↑ Market-relevant
IN SHORT

South Korea's bourse operator, KRX, activated a buy-side sidecar for the KOSPI index due to a sharp increase in program trading. The KOSPI 200 Futures index rose 5% or more, triggering a five-minute suspension of program trading for KOSPI-listed shares.

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Key Numbers

506.95 pointsKOSPI gain
6.53 percentKOSPI percentage gain
8,272.13KOSPI index level
5 percentKOSPI 200 Futures trigger threshold
one minuteduration for trigger
five minutesprogram trading suspension duration

Who's Involved

KRX
South Korea's bourse operator that activated the sidecar
Donald Trump
U.S. President whose statement fueled market hopes
KRX activates buy-side sidecar for KOSPI amid sharp gains

↳ Why This Matters

The activation of a buy-side sidecar indicates significant market volatility and a rapid price increase, prompting regulatory intervention to ensure market stability.

Key facts

  • South Korea's KRX activated a buy-side sidecar for the KOSPI index.
  • The sidecar was triggered by a sharp rise in the KOSPI 200 Futures index.
  • Program trading for KOSPI-listed shares was suspended for five minutes.
  • The KOSPI gained 6.53 percent to reach 8,272.13.

SEOUL, June 12 (Yonhap) -- South Korea's bourse operator, the Korea Exchange (KRX), activated a buy-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) on Friday as the index experienced a sharp rise. Program trading for KOSPI-listed shares was suspended for five minutes shortly after the market opened.

The KOSPI surged as investors bought blue-chip tech shares following a recent slide, influenced by U.S. President Donald Trump's statement about a "great settlement" with Iran, which fueled hopes for an end to the Middle East conflict. As of 9:10 a.m., the KOSPI had gained 506.95 points, or 6.53 percent, to reach 8,272.13.

A buy-side sidecar is a mechanism triggered when the KOSPI 200 Futures index increases by 5 percent or more for at least one minute, aiming to curb excessive volatility.

Frequently asked questions

A buy-side sidecar is a trading halt mechanism activated when futures prices rise by a predetermined threshold, in this case, 5% for the KOSPI 200 Futures index, to prevent excessive volatility.

The sidecar was activated due to a sharp increase in the KOSPI index, driven by investor optimism following U.S. President Donald Trump's remarks about a potential settlement in the Middle East conflict.

The KOSPI rose significantly, gaining 506.95 points, or 6.53 percent, to reach 8,272.13 as of 9:10 a.m.

What Happens Next

01Program trading for KOSPI-listed shares will resume after the five-minute suspension.

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How It Developed

The Korea Exchange (KRX) activated a buy-side sidecar for the KOSPI.
Program trading for KOSPI-listed shares was suspended for five minutes.
The KOSPI rose 506.95 points, or 6.53 percent, to 8,272.13.
A buy-side sidecar is triggered when the KOSPI 200 Futures index increases 5 percent or more for at least one minute.

Sources

T1
KRX issues buy-side sidecar for KOSPI on sharp riseYonhap News Agency

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