[2026-07-29] Korea Stock Market Morning Preview | KOSPI Rebound Watch After 'Black Tuesday' Chip Crash

📌 One-Line Summary

Following the semiconductor-driven 'Black Tuesday' crash (KOSPI -10.84%), overnight U.S. markets stabilized on Dow strength (+1.03%). Today, Korean equities are expected to swing between an oversold technical rebound and renewed chip-sector jitters — a high-volatility session.

🌙 Overnight Markets

U.S. equities closed mixed overnight. The Dow Jones advanced as bargain hunters stepped in, while the tech-heavy Nasdaq slipped, showing limited recovery in the semiconductor space. The shock from the prior day's chip plunge — which triggered a sidecar on Korean exchanges (Nvidia's decline and a 7%-plus drop in SK Hynix's U.S. ADR) — has eased somewhat over the past 24 hours, but the resilience of the semiconductor sector remains fragile.

IndexCloseChange
Dow Jones52,747.32+1.03%
S&P 5007,428.78+0.21%
Nasdaq24,876.91-0.22%

The broad-market panic has cooled, but sentiment toward the large-cap chipmakers (Samsung Electronics, SK Hynix) that anchor the Korean market has yet to fully recover. Dow strength offers psychological support, yet the semiconductor sector alone is not enough to set a clear direction just yet.

💱 FX & Commodities

The USD/KRW exchange rate stands at 1,453.9 won, still holding in the elevated 1,450-won zone and weighing on foreign investor flows. This high-FX environment is the single biggest obstacle delaying a shift to net foreign buying, and whether the rate can stabilize below the 1,450 line may determine the strength of any rebound today.

Crude oil prices remain directionally unstable, with sharp swings up and down adding uncertainty to the inflation and interest-rate outlook. Bitcoin is hovering around the 63,800-dollar area, continuing to serve as a barometer for risk-asset sentiment.

🔥 Today's Key Themes & Sectors

1. Semiconductors (Samsung Electronics, SK Hynix) — Caution

The epicenter of the prior day's plunge. Because U.S. chip stocks failed to fully rebound in a single session, even an oversold bounce would need confirmation for sustainability. SK Hynix's ADR premium and offering-related issues remain variables, so the opening direction warrants close attention.

2. Oversold Bargain Hunting (KOSPI Large Caps) — Watch

The day after a record plunge — KOSPI -10.84% and KOSDAQ -7.72% — carries the potential for a technical rebound attempt. Dow strength may act as psychological support, but the durability of any bounce hinges on foreign net selling calming down.

3. Semiconductor Materials, Parts & Equipment (“Sobujang”) — Watch

Even as U.S. chip stocks crashed the prior day, domestic materials-parts-equipment names staged a 5%-range rebound. Watch whether this differentiated rotational flow, decoupled from the main chipmakers, can continue.

4. FX Beneficiaries & Defensives — Watch

With the high 1,450-won FX level persisting, exporters such as automakers and shipbuilders, along with names offering defense against won weakness, may draw interest.

🎯 Scenario Outlook

🔺 Bull Scenario

Dow strength combines with oversold recognition to draw bargain buying into large-cap chipmakers early in the session, and KOSPI reclaims the 6,100 line for a successful technical rebound. If foreign net selling settles and the FX rate stabilizes below 1,450, the rebound could widen.

▫ Neutral Scenario

A wait-and-see mood after the plunge keeps single-stock rotation (such as sobujang) active, while the index oscillates around the 6,000 line searching for direction. Semiconductors rebound but with limited upside.

🔻 Bear Scenario

Nasdaq and semiconductor weakness spills back into the Korean market, and with foreign net selling continuing amid the 1,450-won high-FX backdrop, KOSPI is pushed back below the 6,000 line. Expanding oil and rate volatility could further dampen sentiment.

⚡ Key Checkpoints for Today

  • The opening direction of large-cap chipmakers such as Samsung Electronics and SK Hynix (confirming rebound durability)
  • Foreign spot and futures flows, and whether USD/KRW holds the 1,450 line
  • Continuity of oversold rotation, including the sobujang names that rebounded 5% the prior day
  • Asian indicators such as Australia CPI (10:30 KST) and whether overnight chip-stock moves spill into the domestic market

Key technical levels — KOSPI support 5,900 / resistance 6,150, and KOSDAQ support 690 / resistance 725 are worth referencing as pivots between an oversold rebound and further correction.

📅 Today's Economic Events

Global (High Impact)

Time (KST)CountryEventForecast / PreviousActual
10:30Australia (AUD)CPI m/m0.2% / -0.7%TBD
10:30Australia (AUD)CPI y/y4.0% / 4.0%TBD
10:30Australia (AUD)Trimmed Mean CPI m/m0.3% / 0.4%TBD

Australia's CPI can influence the Asian rate path and risk-asset sentiment, so it is worth watching alongside the domestic market's moves right after the open.

Domestic

No major DART disclosures are confirmed for today. Among recent developments, short-end bond strength amid Middle East tensions and a sharp FX decline, along with the hawkish hold and hint of a within-year rate hike at Bank of Korea Governor Shin Hyun-song's first Monetary Policy Board meeting, continue to shape rate and FX sentiment in the market.

⚠️ Investment Disclaimer

Coming immediately after a record plunge — KOSPI -10.84% and KOSDAQ -7.72% the prior day — today's market is expected to see sharp volatility. An oversold rebound is not the same as a trend reversal, and the risk of a renewed decline after a technical bounce remains. With the elevated 1,450-won FX level and foreign-flow instability yet to be resolved, a conservative approach is advisable over aggressive chasing.

Disclaimer: This post is for informational purposes only and does not constitute investment advice. All investment decisions are the sole responsibility of the investor. Past performance does not guarantee future results.

🇰🇷 Korean Version: https://kai-search.tistory.com/manage/posts/

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