[Daily] 2026.08.04 KOSPI plunges -3.6% — Korea Market Report

KOSPI closed at 6,358.95, -3.59% on the day and -5.9% over the week — daily change bars for the last 5 sessions

Daily Korea Market Report · as of 2026-08-04 close

🌐 한국어판 보기

The KOSPI closed at 6,358.95, down 3.59% on the day. It remains -30.2% below its recent peak. Our system’s Korea crash gate is currently blocking new entries — a high-volatility regime. Overall regime call: INFLATION.

KOSPI Close
6,358.95
-3.59% · -30.2% vs peak
Volatility (20d realized)
103.6
Panic ≥40
USD/KRW
1,434.7
-0.07% · 1M -6.3%
Regime
INFLATION
🔴 Entries blocked

📝 Market Wrap

■ Market Overview & Leaders

A wild session in Seoul: KOSPI tumbled 3.59% to 6,358.95, even as KOSDAQ rocketed 8.47% to 780.72 — a striking bipolar split that headlines have dubbed a “Squid Game” market. Regionally, sentiment was calmer: S&P 500 +0.70%, Taiwan TAIEX +0.56%, while Nikkei slipped 0.63%. USD/KRW held steady near 1,434.71 (-0.07%). Large-cap standouts told a growth-vs-defensive story — SK Telecom (+11.5%), NAVER (+9.2%), Samsung SDS, Hanwha Solutions and Samsung SDI all surged over 7%, while Samsung Life (-3.3%), Hyundai Mobis and Samsung C&T lagged.

■ Flows & Breadth

Notably, large-cap breadth actually favored gainers 29 to 9 — directly diverging from KOSPI’s steep headline decline, a reminder that index-level moves can mask underlying strength when heavyweight losers dominate. This concentration risk is exactly what foreign investors should watch closely. A system risk gate remains active amid high volatility, per today’s data.

■ Takeaway

With KOSPI and KOSDAQ moving in opposite directions and breadth outpacing the index drop, the market looks prone to sharp swings tied to a handful of mega-caps. Caution is warranted until volatility eases. 📊

📊 Market Snapshot

Index Close 1D 5D 1M vs Peak
KOSPI 6,358.95 -3.59% -5.9% -16.9% -30.2%
KOSDAQ 780.72 +8.47% +2.1% -9.9% -36.3%
S&P 500 7,489.72 +0.70% +1.0% +0.1% -1.6%
USD/KRW 1,434.7 -0.07% -2.0% -6.3% -7.7%
Nikkei 225 63,958 -0.63% -1.5% -6.9% -11.6%
Taiwan TAIEX 43,361 +0.56% -0.6% -7.2% -9.2%
💡 Korea Market 101
KOSPI is Korea’s benchmark of large-cap stocks (think S&P 500 of Korea); KOSDAQ lists smaller, growth-oriented companies (closer to Nasdaq). ‘vs Peak’ shows how far the index sits below its recent high — a large negative number means a deep drawdown. USD/KRW matters enormously for foreign investors: if you invest in dollars, a rising USD/KRW (weaker won) eats into your returns even when stock prices hold, and sustained won weakness often coincides with foreign outflows from Korean equities.

3-month index chart

🏷️ Large-Cap Movers (Today)

Gainers Chg Losers Chg
SK텔레콤 +11.5% 삼성생명 -3.3%
NAVER +9.2% 현대모비스 -2.4%
삼성에스디에스 +8.1% 삼성물산 -2.0%
한화솔루션 +8.1% SK -1.0%
삼성SDI +7.7% 우리금융지주 -0.4%

Large-cap breadth: 29 up · 9 down (of 40)

The index fell, but more stocks rose than fell — losses were concentrated in a few heavyweights.

💡 Korea Market 101
Today’s biggest large-cap winners and losers. When stocks in the same industry move together, money is rotating into (or out of) that sector. Korea’s index is heavily concentrated in semiconductors — Samsung Electronics and SK Hynix alone can drive the whole market.

🔄 Sector Rotation

Sector 1M 3M Score Type
부동산/리츠 +64.8% +63.7% 76.8
소비재 -5.8% -14.2% -1.1 Growth
반도체/IT -14.3% -29.9% -3.3 Growth
금융 -3.3% -17.5% -6.6 Defensive
통신/인터넷 -0.8% -12.5% -6.9 Growth
유틸리티 -15.0% -38.2% -7.5 Defensive
에너지 +2.6% -17.1% -7.8 Defensive
필수소비재 +1.8% -11.8% -8.8 Defensive
💡 Korea Market 101
A ranking of where money is flowing across industries. A higher score means stronger recent price action. ‘Growth’ sectors (chips, IT) lead in good times; ‘Defensive’ sectors (telecom, staples) hold up in downturns. When defensives cluster at the top, the market has turned cautious.

📐 Market Breadth

(40 names)

Above 200-DMA Above 50-DMA Up over 1M 52-wk highs 52-wk lows
55% 25% 35% 0% 0%
💡 Korea Market 101
What the index alone hides. ‘% above 200-DMA’ is the share of stocks in a long-term uptrend — below 50% means most stocks are in long-term decline even if the index isn’t. Comparing new 52-week highs vs lows reveals whether it’s truly a bull or bear tape underneath the headline number.

📰 Headlines (English coverage of Korea)

Headlines are credited to their publishers — click a headline to open the original article.

💡 Korea Market 101
English-language coverage of the Korean market. Two Korea-specific terms worth knowing: a ‘circuit breaker’ halts all trading when the index moves too fast, and a ‘sidecar’ briefly suspends program trading — both are exchange safety mechanisms you’ll see mentioned on volatile days.

🌐 Macro Dashboard

Indicator Level 1M Signal
US 10Y yield 0.92
Dollar Index (DXY) 119.70 -0.7%
Gold 4,114 +0.0%
WTI Crude 84.20 +21.1%
Bitcoin 63,602 +2.2%
💡 Korea Market 101
The bigger picture around equities. A rising US 10-year yield raises borrowing costs and pressures stocks. A stronger dollar (higher DXY) tends to pull foreign capital out of emerging markets like Korea. Gold is the fear gauge, oil proxies inflation, and Bitcoin reflects risk appetite.

🌡️ Regime & Risk Diagnosis

  • Regime call: INFLATION — Inflationary — growth with rising price pressure
  • Allocation guide: Tilt toward real assets and value
  • Crash gate: 🔴 Blocking new entries
  • 5-day index return -1.4% (threshold -8%) · 20-day realized vol 103.6 (threshold 40) — the system automatically resumes new entries once both metrics normalize.
💡 Korea Market 101
Think of the ‘regime’ as market weather. RISK-OFF means investors are sheltering in cash rather than risk assets. ‘Realized volatility’ is a thermometer for how wildly prices swing — under 20 is calm, above 40 is panic territory. The ‘crash gate’ is our system’s traffic light: when the Korean market falls too fast, it turns red and the system stops buying on its own, then reopens automatically when conditions settle. (Note: the regime diagnosis text is produced in Korean by the engine.)

🎯 System Watchlist

Sectors in focus: 금융 4 names · 필수소비재 2 names · 화학/소재 1 names · 반도체/IT 1 names

Name Mkt Sector Style Score Target Stop Status
한화생명 KR 금융 Swing 100 +20.0% -10.0% Watching
코스맥스비티아이 KR 금융 Swing 100 +20.0% -10.0% Watching
오리온 KR 필수소비재 Swing 90 +29.2% -14.6% Watching
롯데정밀화학 KR 화학/소재 Swing 90 +20.0% -10.0% Watching
삼성전자 KR 반도체/IT Swing 90 +20.0% -10.0% Watching
오뚜기 KR 필수소비재 Swing 80 +20.0% -10.0% Watching
코리안리 KR 금융 Swing 80 +20.0% -10.0% Watching
서울보증보험 KR 금융 Swing 80 +20.0% -10.0% Watching
💡 Korea Market 101
A scanner screens hundreds of Korean and US stocks daily and scores them on technical and fundamental criteria (max 100). ‘Target’ is the expected gain if the setup works; ‘Stop’ is the pre-committed maximum loss if it doesn’t — the system always defines the exit before entering. ‘Swing’ rides multi-day trends; ‘Squeeze’ waits for dormant stocks to break out. ‘Watching’ means signal registered but not bought; ‘Held’ means the system actually owns it. ⚠️ This is an algorithm’s candidate list, not investment advice. Korean stock names are shown in Korean.

🩺 System Health Check

  • Risk gate: 🔴 Blocking new entries
  •   [KR Crash Gate] 실현변동성 20일 103.6 ≥ 40 — 패닉 국면, 신규 진입 차단
  • Circuit breaker: 🟢 Normal
  • Entry attempts blocked by the gate today: 0
💡 Korea Market 101
The system audits itself daily. The ‘risk gate’ is the traffic light that stops buying during crashes; the ‘circuit breaker’ is an automatic brake that pauses trading after consecutive losses. A high blocked count is good news — it means the safety systems held back purchases on a dangerous day.

🤖 System Trading Status

No positions closed today.

💡 Korea Market 101
‘Closed’ = sold; ‘open’ = still held. Unrealized P&L assumes selling right now — nothing is locked in until sold. ‘STOP’ means the pre-set safety line was hit and the system sold automatically; ‘ROTATION_EXIT’ means it swapped into a stronger candidate. The one rule this system lives by: cut losses early and automatically, let winners run.

Published 2026-08-04 15:51 KST
For information only — not investment advice or a solicitation. All investment decisions are your own responsibility.

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