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Structural Rally in Storage Stocks, ETFs Drive Korean Index Higher

Institution
Morgan Stanley
Date
20260527
Authors
Joon Seok, Heewon Choi, Minseo Kang
Company
SanDisk Corp, Samsung Electronics, SK hynix, SK Square, Samsung Life
Ticker
SNDK, SAMSUNGELECTRONICS, SKHYNIX, SKSQUARE, SAMSUNGLIFE
Industry
Computer Hardware, Electronic Gaming & Multimedia, Pharmaceutical Retailers, Electronic Equipment & Components
Rating
BullishMedium confidenceMedium-termMaintain optimistic stance on chip manufacturers and holding agencies
AuthorsJoon Seok, Heewon Choi, Minseo Kang
CoverageSouth Korea、Asia-Pacific
Research firm divisions/subsidiariesMorgan Stanley & Co. International plc, Seoul Branch(Branch)

AI summary card

Structural Rally in Storage Stocks, ETFs Drive Korean Index Higher

Korean index nearing 8500 points but market breadth extremely narrow; heated first-day trading of storage stock leveraged ETFs shows high retail enthusiasm; institutions maintain optimistic expectations for chip stocks.

Korean MarketStorage ChipsLeveraged ETFMarket DivergenceSamsung ElectronicsSK Hynix
  • KOSPI closed at 8228.7 points (+2.56%), with only 8% of stocks rising
  • Trading volume of 16 storage stock leveraged ETFs on first day reached nearly 10 trillion KRW
  • Samsung and SK Hynix rose 2.68%/9.3% respectively
  • ETF share of KOSPI market cap rose to 8%
  • Institutions maintain positive view on chip stocks

Report interpretation

Overview

Morgan Stanley report indicates that the Korean stock market has recently shown a structural trend led by storage stocks. Although the KOSPI index is approaching 8500 points, market breadth is extremely narrow with only 8% of stocks rising; heated first-day trading of leveraged ETFs tied to chip stocks reflects high retail enthusiasm. Institutions maintain an optimistic outlook for chip manufacturers such as Samsung Electronics and SK Hynix, while noting potential acceleration in volatility in the second half of the year.

Core views

Market Performance: On May 27, KOSPI rose 2.56% to 8228.7 points, but only 8% of stocks rose while 87% fell, indicating trends highly concentrated in specific sectors. Storage Stock Dynamics: Samsung Electronics and SK Hynix shares rose 2.68% and 9.3% respectively, followed by holding agency SK Square (+8.04%) and Samsung Life Insurance (+1.87%). Institutions believe positive storage supply-demand signals are the main drivers. Capital Structure Changes: Total trading volume of 16 newly launched single-stock leveraged ETFs for Samsung/SK Hynix reached approximately 10 trillion KRW on the first day, while reverse ETFs traded only 600 billion KRW, showing strong retail bullish sentiment. As of that day, ETF net asset value exceeded 500 trillion KRW, a significant increase from 400 trillion on May 15.

Analysis framework

The report mainly analyzes market characteristics through capital flow analysis and market breadth indicators: observing leveraged ETF trading heat to verify retail sentiment, and confirming market structural characteristics through the ratio of gainers to losers. The optimistic judgment on storage stocks is based on industry prosperity signals and leading company stock price performance.

Methodology notes

  • Quantitative / Factor / Portfolio TheoryMarket Breadth Analysis

    Market breadth indicators are used to measure market participation in gains and losses

    When the index rises but the proportion of rising stocks is low (e.g., only 8% this time), it indicates the trend is driven by a small number of heavyweight stocks, potentially implying market fragility

Key data

  • KOSPI Close8228.7Single day rise 2.56%
  • Percentage of Rising Stocks8%Percentage of falling stocks reaches 87%
  • First Day Trading Volume of Leveraged ETFs10 Trillion KRWTotal transaction volume of 16 new products

Impact & implications

Institutions predict KOSPI still has room for upward movement in the second half of the year, trading range looking towards 9500 points over 3-6 months, with an optimistic scenario target of 10000 points. However, caution is needed as increased retail participation and leveraged ETF activity may amplify market volatility, and overall performance may be weaker than the first half of the year.

Risks

  • Increased retail investor participation and leveraged ETF activity may increase market volatility
Zhejiang ICP No. 2022035445-5
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