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South Korea Daily Briefing

Monday, 26 October 2026

📈 MSCI Korea +1.86% on Tech/Semi +5.02% — Samsung and SK Hynix Q3 earnings pre-position is the biggest single-day semiconductor bet of the month

iShares MSCI Korea +1.86% — the strongest Asia session today, built almost entirely on Tech/Semi +5.02%. This is an earnings pre-position: Samsung Electronics and SK Hynix report Q3 results this week, and the market is pricing in HBM3E supply ramp acceleration and DRAM bit-growth above Street estimates. Banks/Financials -1.07% and Industrials -0.85% underperformed — classic earnings-week rotation where liquidity concentrates in the upcoming catalyst names and exits yield-sensitive financials. The +5.02% semiconductor print is extraordinary: at that level, KOSPI constituents are pricing in clean AI chip beats from both names. gurufocus.com reported industry analysts are anticipating significant earnings growth on AI chip demand. FinanceAsia flagged Korea's Elice AI cloud IPO had a turbulent debut, signaling investor scrutiny of capital-intensive AI infrastructure is rising — the contrarian check on today's semi euphoria.

By the numbers

iShares MSCI KoreaEWY

152.88

+1.07%(+1.62)

3 things that moved markets

Samsung and SK Hynix Q3 earnings: AI chip demand drives analyst confidence

Industry analysts are anticipating significant earnings growth for Samsung Electronics (SSNLF) and SK Hynix when they report Q3 this week, gurufocus reported. The AI chip demand thesis centers on HBM3E (High Bandwidth Memory) ramp for NVIDIA H100/H200 and successor chips, plus DRAM bit-growth recovery. The key number to watch: SK Hynix's HBM mix as a percentage of DRAM revenue — Street expects above 30%; an upgrade to 35%+ is re-rating fuel for the entire Korea Tech/Semi sector. Samsung's foundry profitability is the secondary watch.

Read at gurufocus.com ↗

Korea's Elice AI cloud IPO: turbulent debut reflects investor scrutiny of AI infrastructure ROI

Korean neocloud company Elice's wild first trading week — volatile debut with heavy swings — reflects rising investor scrutiny of capital-intensive AI infrastructure, FinanceAsia reported. This is the contrarian signal to today's Tech/Semi +5.02% move: HBM and DRAM (critical supply chain, proven ROI) are a different risk category from AI platform/cloud names (high capex, unproven unit economics). The chaebol discount applies differently: Samsung and SK Hynix have proven cash generation; AI cloud startups like Elice are pure-growth stories with uncertain payback periods.

Read at FinanceAsia ↗

Central bank week: BoK rate decision in focus as KRW/USD pressured

Five major central banks announce policy this week, Business Times Singapore reported, and BoK is among the most watched for Korea investors. With KRW/USD under pressure from a strong dollar environment and domestic CPI above the BoK's 2% target, the risk is that BoK holds rates unchanged — which would disappoint any rate-cut optimism embedded in today's rally. Banks -1.07% underperforming is partially a BoK signal: the market is not pricing in imminent rate relief.

Read at Business Times ↗

Top movers

Gainers (1)

Losers (4)

Sector heatmap

Smart-money note

Tech/Semi +5.02% is the purest earnings pre-position I've seen in Korea this quarter: this is buy-side semi analysts taking positions ahead of what they expect to be clean HBM beats from both Samsung and SK Hynix. The HBM3E cycle thesis is simple — AI accelerator demand from NVIDIA, AMD, and hyperscalers is not slowing; SK Hynix specifically has been supply-constrained on HBM2E, and any signal of HBM3E ramp acceleration goes straight to margin. Banks -1.07% underperforming is the risk signal: BoK holding rates unchanged (or not cutting) keeps net interest margin pressure on Korean banks, and the chaebol governance discount means large-cap financial names don't re-rate easily. KRW direction is the macro overlay — a stronger dollar this week pressures import costs and complicates BoK's calculus.

What to watch tomorrow

Samsung Q3 HBM guidance

HBM3E revenue share and DRAM bit-growth guidance vs Street +22% YoY — a clean beat triggers KOSPI follow-through; any miss on HBM mix sends Tech/Semi -3%+ reversal of today's gains.

SK Hynix DRAM bit growth

SK Hynix reports this week — HBM mix above 35% of DRAM revenue is the re-rating trigger. Below 30% and today's +5.02% semi move gets unwound Tuesday.

BoK policy decision

BoK is among the five central banks deciding this week — with KRW pressured and CPI above target, an unchanged rate disappoints rate-cut hopes embedded in financials; a surprise cut would be the sector reversal catalyst.

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