Stock Markets June 29, 2026 09:24 AM

Mizuho Sees Memory Market Tightness as the Real Story; Flags HBM Pricing as H2 Catalyst

Analyst says Apple chatter and Korean capacity announcements are noise compared with undersupply and upcoming HBM contract talks

By Derek Hwang
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Micron's shares have pared gains after a sharp post-earnings rally, but Mizuho's Jordan Klein argues the stock's medium-term outlook hinges on structural DRAM and NAND undersupply and the annual HBM contract negotiations due in the autumn. Two recent headlines - Apple exploring Chinese DRAM suppliers and a major capacity expansion announced by Korean industry and government bodies - are unlikely to alter the sector's supply dynamics, Klein says. The critical market-moving event to watch is the 2027 HBM pricing round, which could lift 2027 EPS estimates across memory names if contract rates prove strong.

Mizuho Sees Memory Market Tightness as the Real Story; Flags HBM Pricing as H2 Catalyst
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Key Points

  • Micron rallied more than 15% on June 24 after strong Q3 results but later fell back, closing down 6.7% on Friday with 86.4 million shares traded versus a three-month average of 52.1 million.
  • Mizuho analyst Jordan Klein says DRAM and NAND remain materially undersupplied relative to end-demand and that this structural shortage is more important for Micron and other memory stocks than reports about Apple pursuing Chinese DRAM suppliers.
  • The upcoming annual HBM contract negotiations in autumn - a pricing round for 2027 - are the key catalyst Klein highlights; market expectations include potential HBM price increases up to 2.5 times 2026 levels, which could boost 2027 EPS estimates across the sector.

Micron Technology rocketed more than 15% on June 24 after reporting very strong third-quarter results, sending the stock to an intraday record high of $1,255. Since that move the shares have retraced, finishing down 6.7% on Friday on volume of 86.4 million shares - nearly double Micron's three-month average daily volume of 52.1 million.

Despite the recent pullback, Jordan Klein, a TMT specialist at Mizuho, is advising investors to remain steady. Klein warns that two recent storylines could be wielded by skeptics to push shares lower this week, but he contends neither alters the underlying supply-demand case for memory.

The first of those headlines centers on reports that Apple is seeking US government permission to purchase DRAM from Chinese memory maker CXMT, a company that appears on the Commerce Department's Entity List. Klein frames Apple's interest not as a company-specific rebuke for Micron but as evidence of a broader industry shortage.

"DRAM and NAND supply is way below true end demand," Klein wrote, adding that this imbalance matters more for Micron and other memory stocks than isolated news such as Apple exploring Chinese DRAM options. He notes that Washington's willingness to authorize such a license is uncertain, and that China's own domestic demand for CXMT production is large enough that the government may be reluctant to redirect supply to overseas buyers.

Klein also points out that Micron has shifted its production strategy away from mass-market consumer chips and toward longer-duration agreements with hyperscalers for HBM and LPDDR products, alongside a growing focus on automotive and industrial customers. Given that repositioning, any potential Apple move away from existing suppliers would exert most pressure on Samsung and, to a lesser extent, SK Hynix.

The second narrative Klein cautions against overreacting to is the formal announcement by SK Hynix, Samsung and the South Korean government of a long-term semiconductor capacity expansion program that, in aggregate, would encompass roughly four new memory fabs. Klein characterizes the declaration primarily as political signaling rather than an immediate capital commitment; he notes that no binding funding decisions are expected this year or next. He further observes that Micron has already disclosed plans for four new memory fabs of its own, implying the Korean announcement may have been interpreted by the market as more disruptive than warranted.

Supporting Klein's contrarian take is a wider industry appraisal of demand. Apple CEO Tim Cook told the Wall Street Journal that the current memory shortage represents a "once in a century flood," a phrase that has been amplified across the tech community. Elon Musk reposted Cook's comment on the social network X and added that production-to-demand capacity gaps are "insane," underscoring similar concerns about strained supply.

Adding a concrete pricing element to the outlook, a Digitimes report published Monday suggests the market anticipates memory makers will seek sharp HBM price increases in the upcoming round of contract talks for 2027 - possibly raising full HBM pricing, including HBM4, to as much as 2.5 times 2026 levels. That annual pricing negotiation, which traditionally occurs each autumn, is the catalyst Klein highlights as most likely to move consensus estimates for 2027 across the memory sector.

For Micron specifically, the analyst community is already tilting bullish ahead of the next reporting cycle. Street consensus for Micron's fiscal fourth quarter 2026 earnings per share stands at $25.72 on revenue of roughly $43.58 billion. Notably, every one of the 25 analyst estimate revisions tracked over the past 90 days has been upward.

Micron's next scheduled earnings release is set for September 29, 2026. That timing dovetails closely with the seasonal HBM contract negotiations, concentrating two potentially significant catalysts - company results and sector-wide price discussions - into a narrow window in the autumn.


What to watch

  • Whether Washington would approve any license allowing Apple to buy DRAM from CXMT and the extent to which China's domestic demand could constrain supply available to foreign buyers.
  • Developments around contractual HBM pricing in the autumn, which Mizuho identifies as the most consequential near-term event for sector earnings estimates.
  • Execution on planned fab expansions, including Micron's own four-fab blueprint and the announced Korean program, and the timing of any binding capital commitments.

The near-term narrative may be noisy, but Klein argues the market's path will be determined by fundamental supply tightness and the outcome of annual HBM contract negotiations rather than episodic headlines about buyer-supplier shifts or political signaling around capacity expansion.

Risks

  • Regulatory uncertainty - It is unclear whether US authorities would grant a license for Apple to source DRAM from CXMT, and that could influence supplier dynamics and procurement strategies - impacts technology and semiconductor sectors.
  • Supply allocation - China's large domestic demand for CXMT output could limit any potential exports to foreign buyers even if approvals were granted, affecting global memory availability - impacts global memory suppliers and OEMs.
  • Timing and commitment of capacity expansion - Announced Korean memory capacity plans are largely political signaling with no locked-in capital commitments expected this year or next; delays or changes in actual buildouts could alter long-term supply projections - impacts memory manufacturers and capital markets.

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