'U.S.-Iran Ceasefire Agreement' Lifts KOSPI Back Above 8,500 [Morning Market Update]
- Input
- 2026-06-15 10:57:29
- Updated
- 2026-06-15 10:57:29

[Financial News] After news broke that the United States and Iran had reached a ceasefire agreement, the KOSPI was up more than 5% on the 15th, supported by buying from foreign investors and institutions.
As of 10:53 a.m. that day, the KOSPI was trading at 8,563.35, up 439.73 points, or 5.41%, from the previous session.
The KOSPI opened at 8,526.12, up 402.50 points, or 4.95%, from the previous session.
A buy-side sidecar was triggered around 9:06 a.m. amid the sharp rally. The buy-side sidecar is activated when KOSPI 200 Index futures rise by more than 5% and stay there for at least one minute, temporarily suspending program buy orders for five minutes.
In the Korea Exchange Main Board Market, individual investors were net sellers of 1.162 trillion won, while foreign investors and institutions were net buyers of 409.2 billion won and 787.7 billion won, respectively.
All 14 of the market-capitalization leaders were trading higher.
Samsung C&T Corporation led the gains with a 13.54% rise, followed by Samsung Electro-Mechanics at 13.19%, Samsung Life Insurance at 8.04%, and KB Financial Group at 7.94%.
Samsung Electronics, the largest listed company by market capitalization, was trading at 338,000 won, up 4.81%, while SK hynix was trading at 2,288,000 won, up 6.42%.
The KOSDAQ was trading at 1,028.82, down 0.23 points, or 0.02%, from the previous session.
It opened at 1,048.19, up 19.14 points, or 1.86%, but repeatedly moved between gains and losses, hovering near the flat line.
The won–dollar exchange rate opened at 1,511.4 won, down 8.4 won.
khj91@fnnews.com Kim Hyun-jung Reporter