KOSPI Plunges, Exchange Rate Surges: 한국 증시 브리핑
The KOSPI is sliding into the 7,800 range due to Middle East tensions and persistent foreign selling. The won-dollar exchange rate has crossed 1,520 won, with foreign investors net selling 148.5 billion won early in the session, sparking deep concerns over currency losses.
KOSPI Emergency Briefing — June 10, 2026
Market Snapshot
- KOSPI: 7,878.99 (-217.94 points, -2.70%) — As of 10:40 AM
- KOSDAQ: 936.97 (-3.19% from previous day)
- Won/Dollar Exchange Rate: 1,524 won (Middle East instability reignited)
- Market Sentiment: Risk-aversion is deepening due to continuous foreign selling and worsening Middle East conditions. A vicious cycle is emerging where the strong exchange rate is further fueling foreign sell-offs.

Supply and Demand (KOSPI Market)
- Foreigners: 148.5 billion won net sell (early session) — Concerns over depleted foreign exchange reserves are fueling a push to avoid currency losses.
- Institutions: 27.4 billion won net buy
- Individuals: 2.2187 trillion won net buy — Potential for sustained bargain hunting.

Top 5 Key News Stories
1. Apache Helicopter Downed, Middle East Tensions Spike; Exchange Rate Hits 1,524 Won
- What happened?: Fears of military conflict between the US and Iran have re-emerged, driving a surge in demand for the dollar. As of 3:30 PM, the won-dollar rate reached 1,524 won, with simultaneous offshore dollar buying and foreign stock net selling.
- Market Impact: The strong dollar exacerbates foreign currency loss concerns, triggering a cycle of further selling. Export-heavy sectors like semiconductors and autos are under significant pressure.
2. Foreigners Net Sell 77.6 Trillion Won; Exchange Rate Skyrockets from 1,454 to 1,539 Won
- What happened?: Over the past month, foreign investors have net sold 77.6 trillion won in domestic stocks, causing the rate to soar. With 20 consecutive trading days of net selling, authorities are investigating non-deliverable forward (NDF) market irregularities and export-import payment maneuvers.
- Market Impact: If the selling streak continues, the rate could hit the 1,550 level, raising concerns over corporate won-denominated risk and profitability.
3. KOSPI Falls 2.43%, Supported Only by Institutions and Individuals
- What happened?: As of 10:40 AM, the KOSPI stood at 7,878.99, down 2.43%. While foreigners net sold 148.5 billion won, individuals and institutions net bought 113.5 billion won and 27.4 billion won, respectively, capping further losses.
- Market Impact: The market foundation is shaky due to foreign exits; if individual buying fails to sustain, there is a risk of further sharp declines.
4. Global Risk-Off Fueled by US Inflation Concerns and Iran Threats
- What happened?: With US inflation resurfacing and Middle East tensions mounting, global risk assets are being dumped. Domestic markets, particularly large-cap semiconductor stocks, are expected to face additional adjustments.
- Market Impact: Stocks like Samsung Electronics and SK Hynix are following global trends downward. K-Bio and other companies with heavy overseas revenue are also impacted by the weakness in emerging market currencies.
5. Authorities Investigating NDF and Irregular Trades to Stabilize Rates
- What happened?: Financial authorities have signaled they will not tolerate one-sided won depreciation. They are focusing on stabilizing supply and demand by monitoring NDF trades and export-import payment processes.
- Market Impact: Government intervention may slow the pace of the rate climb, but effectiveness is limited as long as fundamental pressures (foreign selling and geopolitical risk) remain.
Leading Sectors & Themes
Semiconductors
- Trend: Domestic large-caps are falling in sync with global semiconductor weakness, driven by US inflation concerns and tech stock adjustments.
- Key Stocks: Large chipmakers including Samsung Electronics, SK Hynix, and Intel are seeing broad declines.
Auto & Export Stocks
- Trend: While a strong exchange rate (entering the 1,520 range) offers some export price competitiveness, gains are limited by weak global demand and foreign selling.
- Key Stocks: Hyundai Motor, Kia.
Finance & Defensive Stocks
- Trend: Expected to act as a relative hedge amid deepening risk aversion. Insurance and bank stocks are being eyed for value.
Top Movers (Gainers/Losers)
Top 3 Gainers
No recent detailed data available. Broad market weakness is keeping specific upward-trending stocks limited, despite individual buying sentiment.
Top 3 Losers
No recent detailed data available. Large semiconductor stocks (Samsung Electronics, SK Hynix) and stocks highly correlated with global tech are seeing the widest drops.
Global Market Linkage Points
US Semiconductor Weakness & Inflation
As global tech heavyweights like NVIDIA and Broadcom pull back due to inflation concerns, domestic counterparts are following suit. Tech stock valuation concerns are impacting the market widely.
Middle East Geopolitical Tension & Dollar Strength
The downed Apache helicopter has reignited US-Iran conflict fears, surging demand for the safe-haven dollar. The won-dollar exchange rate has risen to 1,524 won as emerging market currencies continue to weaken.
Tomorrow’s Checkpoints
- Reversal of Foreigner Flow: If the 20-day net selling streak persists, expect potential further rate spikes and additional KOSPI drops.
- US Inflation Data: PCE and CPI data will be the key drivers of market interest rate expectations.
- Middle East Developments: Progress in US-Iran negotiations will dictate the trajectory of exchange rates and global risk-off sentiment.
Investor Action Items
- Watch Early Session Signals: Monitor short-selling ratios and daily inflow/outflow to catch rebound timing.
- Monitor the 1,540 Won Threshold: If the exchange rate breaks past this level, expect further institutional and foreign exits.
- Evaluate Bargain Opportunities: With individual buying persistent, assess entry points for high-quality stocks with strong fundamentals.
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