KOSPI Rises Over 5% on US-Iran Deal, Closes Above 8,540

On the 15th, as the KOSPI index surged more than 5% in the early session triggering a buy-sidecar, the electronic board in the dealing room of the Hana Bank Headquarters in Jung-gu, Seoul displayed the domestic stock market index. June 15, 2026. Photo by Jinhyung Kang

The KOSPI closed up by more than 5%, buoyed by news of a successful agreement between the United States and Iran.

On June 15, the KOSPI finished trading at 8,545.98, up 422.36 points (5.2%) from the previous session. Trading volume was provisionally tallied at 510.25 million shares, and the trading value reached 38.5577 trillion won.

By investor type, institutions and foreigners were net buyers, purchasing 543.8 billion won and 1.0118 trillion won respectively. In contrast, individuals were net sellers, offloading 1.4925 trillion won. In the futures market, foreigners and individuals net bought 759.4 billion won and 258.6 billion won respectively, while institutions net sold 1.0444 trillion won. In program trading, net purchases of 648.6 billion won were recorded in arbitrage trading, while net sales of 837.3 billion won occurred in non-arbitrage trading.

Most industry sectors rose. The distribution sector climbed 8.18%, electric and gas 8.15%, insurance 6.78%, transportation and storage 6.61%, electrical and electronics 5.71%, manufacturing 5.41%, transportation equipment 5.29%, metals 4.98%, finance 4.83%, machinery and equipment 4.47%, chemicals 4.25%, real estate 2.47%, paper and wood 2.45%, and pharmaceuticals 2.13%. On the other hand, the construction sector fell by 1.45%, and textile & apparel and entertainment & culture sectors also ended the session slightly lower.

Most of the large-cap stocks by market capitalization also rose. Samsung Electronics gained 4.5%, SK hynix 6.42%, SK Square 4.05%, Samsung Electro-Mechanics 16.63%, Hyundai Motor 6.59%, LG Energy Solution 5.13%, Samsung Life Insurance 9.73%, Samsung C&T 14.58%, HD Hyundai Heavy Industries 9.85%, Kia 0.42%, Doosan Enerbility 7.2%, and Samsung Biologics 2.86%.

The number of advancing stocks was 676, while 207 stocks declined, and 35 remained unchanged. Three stocks hit the upper price limit.

The KOSDAQ index closed slightly higher. The KOSDAQ ended the session at 1,034.03, up 4.98 points (0.48%) from the previous day. By investor type, institutions and individuals net bought 216.3 billion won and 616.5 billion won respectively, while foreigners net sold 806.4 billion won.

Most large-cap stocks by market capitalization also rose. Alteogen increased by 3.56%, Ecopro BM 9.71%, Ecopro 7.17%, Rainbow Robotics 5.77%, Kolon TissueGene 2.14%, HPSP 16.78%, Samchundang Pharm 1.72%, Peptron 0.65%, and ABL Bio 5.27%. On the other hand, Jusung Engineering fell by 2.6%, and Wonik IPS, Leeno Industrial, and EO Technics also closed weaker.

Meanwhile, in the Seoul foreign exchange market, the won/dollar exchange rate was trading at 1,512.6 won, down 5.7 won from the previous day.

This content was produced with the assistance of AI translation services.