[Emergency Market Update] KOSPI Crashes for Second Consecutive Day — Supply/Demand Analysis and Outlook

Date: 2026-03-04 | Author: East

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Today's Market Overview

Sidecar triggered for the second consecutive day. Following yesterday's -7.24%, the two-day cumulative loss stands at -18.4% — approximately ₩1,300 trillion in market cap has been wiped out.

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Why Such a Massive Crash?

Direct Cause: Escalation of the US-Israel-Iran War

• March 3: US and Israel strike Iran's nuclear facilities and IRGC bases → KOSPI -7.24%
• March 4: Iran retaliates with missile attacks on Israel and US military bases → KOSPI additional -12.06%
• Strait of Hormuz blockade threat materializes → oil prices surge, WTI breaks $95

Why Korea Is Hit Especially Hard

• Oil import dependency: Korea relies on the Middle East for over 70% of its oil consumption
• Export-driven economy: War risk → global demand contraction fears → direct hit on semiconductors and autos
• Korea discount: Geopolitical risk premium reflected at above-average global rates
• Same day: Japan -3.2%, Taiwan -4.1% — Korea's structural vulnerability stands out

Sector Declines

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Supply/Demand Analysis: Retail & Foreigners Sold, Institutions Bought

The notable point in today's flow is that this was NOT a simple "everyone is panic-selling" situation.

Intraday Flow

• Retail + Foreigners: Massive net selling. Panic selling continued
• Institutions (pension funds, asset managers): Steady net buying throughout the session — "bottom fishing" in full swing
• Late session: Foreigners also switched to net buying

What This Pattern Means

Institutional counter-buying is not merely obligatory purchasing. Pension funds automatically rebalance when asset allocation ratios break down, while active managers begin accumulating at "historically oversold" levels.

The late-session pivot by foreigners to buying is even more significant. When foreigners switch from panic selling to buying, it signals:

1. Short-term bottom recognition: "How much further can it fall?"
2. Valuation appeal: -18% in two days → KOSPI PBR near 0.85x, approaching historical lows
3. Geopolitical risk peak-out expectations: Betting on negotiation over escalation

Historically, after major geopolitical shocks, simultaneous institutional + foreign buying reversal has been a powerful signal of a short-term bottom.

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Historical Comparison: Has It Ever Fallen This Much?

Common pattern from COVID and 9/11: Initial panic → institutional/foreign buying → recovery begins within 6–12 weeks.

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What to Watch Going Forward

Key Variables (These Are All That Matter)

1. Iran's second retaliation — If Iran launches additional missile/drone attacks, KOSPI could fall another 5–8%. Conversely, any mention of negotiations would be a sharp rebound trigger
2. Actual Strait of Hormuz blockade — If declared, oil could hit $120+, with additional shocks to aviation, refining, and chemicals
3. US Fed commentary — If war risk raises rate-cut expectations, it would accelerate a rebound
4. Sustained institutional/foreign buying — Whether institutional buying continues tomorrow is the key to confirming a short-term bottom

Investor Action Guidelines

• Avoid panic selling: Historically, selling immediately after a geopolitical shock is the worst timing
• Dollar-cost averaging: Rather than going all-in at once, manage risk with 2–3 tranches
• Defense/energy hedge: Consider exposure to geopolitical beneficiaries like Hanwha Aerospace, Hyundai Rotem, LIG Nex1, E1
• Maintain 20–30% cash: Preserve buying power in case of further declines
• Review stop-loss levels: Mandatory ATR-based stop-loss review for current holdings

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Conclusion

Today's -12.06% is frightening, but supply/demand data is sending signals of bottom exploration. Institutions bought throughout the session, and foreigners reversed course at the close. This means "strategic accumulation at low prices" has begun — not mindless panic.

The key is whether Iran launches a second retaliation. If no further escalation occurs and diplomatic channels open, historical precedent suggests a substantial recovery within 6–8 weeks. Rather than selling in fear, the effective strategy now is to calmly monitor the key variables and approach with a staged buying plan.