[Morning Briefing] KOSPI Retreats Below 6,600 Amid External Interest Rate Pressure, Foreign Selling Intensifies

Domestic Market Trends

KOSPI Index Trend

The KOSPI index closed at 6,684.37, a significant drop from the previous trading day (6,909.91), due to the deterioration of the global macro environment. After forming a short-term high of 7,051.64 on September 9, it has shown a continuous downward trend for the past few trading days.

The chart below shows the KOSPI closing price trend over the past 20 days.

KOSPI Investor Trading Trends

On September 14, in the KOSPI market, foreign and institutional investors recorded synchronized selling of 3 trillion 337.504 billion won (-3,337,504,400,011 won) and 1 trillion 186.864 billion won (-1,186,864,099,559 won) respectively. Meanwhile, individual investors alone 3 trillion 35.112 billion won (3,035,111,621,789 won) in net purchases, striving to defend the index, but it was insufficient.

The chart below shows the net purchase trend by investor type in the KOSPI market over the past 10 days.

KOSDAQ Market Trends

The KOSDAQ index also failed to escape the downward trend, closing at 806.79, down from the previous trading day (820.64). By investor type, individuals net purchased 102.8 billion won (102,893,157,414 won), foreigners net sold 88.6 billion won (-88,646,299,044 won), and institutional investors continued selling, mainly in financial investments (-72.8 billion won), recording a total net sell of 23.7 billion won (-23,783,597,895 won).

Global Financial Markets & Macroeconomic Indicators

US Overnight Futures Trends

As of the morning of September 15, 2026, US overnight index futures are showing a slight upward trend.

• S&P 500 Futures (ES=F): 7,695.5 (+0.47%)
• Nasdaq 100 Futures (NQ=F): 29,478.75 (+0.31%)
• Dow Futures (YM=F): 52,859.0 (+0.52%)

Major External Macroeconomic Issues

• US 10-Year Treasury Yield Breaks Above 5%: As US Treasury selling intensified, the 10-year Treasury yield broke through the psychological resistance line of 5%. This is the first time since 2023.
• International Oil Prices Rise: Brent oil prices settled above $105 due to the closure of a key Saudi oil pipeline, continuing the strength in oil prices.
• Export Prices Fall: Due to the fall in the won/dollar exchange rate, the domestic export price index in August fell by 3.7%, recording the largest decline in 3 years and 8 months.

Domestic News & Company Announcements

Major Financial Company Corporate Bond Credit Rating Evaluations

On September 14, 2026, Korea Ratings (KR) announced the credit rating (corporate bond) evaluation results for major capital companies. The outlook for all target companies was maintained as 'Stable'.

• IBK Capital: AA- (Stable)
• Woori Financial Capital: AA- (Stable)
• IM Capital: AA- (Stable)
• Shinhan Capital: AA- (Stable)
• Lotte Capital: A+ (Stable)
• MG Capital: A (Stable)

Domestic News Briefs

• Auto Insurance Profitability Deterioration: In the first half of this year, domestic auto insurance's insurance profit turned to a deficit for the first time in 6 years, with total profit and loss decreasing by 37.7% compared to the same period last year.
• September Property Tax Notices: Seoul City confirmed and sent tax notices for September property tax of 4 trillion 803.6 billion won to land and house owners. The payment deadline is until the 30th.
• Productive Financial Exemption to be Promoted: The Financial Services Commission announced that it will additionally prepare financial institution exemption plans for the productive financial sector, following the exemption for institutions participating in the National Growth Fund.

Data Sources & Investment Notes

• Data Sources: Korea Exchange (KRX), Korea Ratings, Yahoo Finance, Yonhap News, and Maeil Business Newspaper and other media reports.
• Data Limitations: The numerical data included in this material is prepared based on snapshot data provided as of a specific point in time as of September 15, 2026. Therefore, it may not match the actual market flow or real-time trading information, and errors may occur in situations of high market volatility. This briefing is provided for investment reference purposes only, and under no circumstances can it be used for investment solicitation or recommendation, and the final responsibility for investment judgment lies with the investor themselves.