BofA believes the memory super cycle remains intact, and Samsung's pullback does not signal a sector downtrend

Overview

This is a weekly update from Bank of America on global memory technology, centered on Samsung's share pullback, the BofA Memory Indicator, CXMT IPO progress, Nanya Technology results, and the cycle outlook for DRAM, NAND, HBM and cloud capex. The report believes recent price volatility reflects market worries rather than fundamental weakening; channel checks, pricing, shipments, exports, and company performance still show strong memory demand.

Core views

BofA's core view is that the storage industry super cycle has not ended. In DRAM, AI servers, HBM, DDR5 and legacy DRAM shortages together push prices higher, and BofA raised its 3Q DRAM ASP assumption to +21% QoQ. In NAND, although spot prices weakened in the short term, absolute price levels remain meaningfully above normal ranges, and SSD and data center demand provide support. In HBM, the report expects market size of US$77bn in 2026E and US$135bn in 2027E, with industry OPM near 50%, and no clear decline in 2027.

Analysis framework

The report uses a top-down and bottom-up combined approach: it uses the BofA Memory Indicator to track cycle indicators such as spot prices, global billings, and Korean exports; and at the same time validates at the company level based on quarterly results, capacity, ASP, shipments and margins of major DRAM/NAND/HBM vendors, while combining hyperscaler capex, AI GPU specification progression, and end-market demand assumptions to judge medium-term supply-demand balance.

Methodology notes

• cycle_indicatorBofA Memory Indicator

  Measures memory-cycle strength through seven indicators, including spot price YoY, global billings, and Korean exports.

  The indicator was 183 in May, near historical highs and significantly above 100 in mid-cycle and 80 in down-cycle; the report notes this indicator includes a backtest range and is not an investment benchmark.

• industry_forecasttop-down memory forecast

  Assesses industry scale by splitting global DRAM/NAND revenue, ASP, shipments, and end-use demand.

  The report expects 2026E DRAM revenue growth of +325% YoY and NAND revenue growth of +299% YoY, mainly driven by a sharp ASP rebound.

• company_analysisbottom-up company comparison

  Compares sales, ASP, shipments, margins, and market share across major memory vendors.

  The report uses data from Samsung, SK Hynix, Micron, Nanya, and Kioxia to validate high margins and strong demand.

• demand_driverAI/HBM content growth analysis

  Estimates HBM demand by tracking AI accelerator specification changes from NVIDIA, AMD, Google TPU, and Amazon Trainium.

  Platforms such as Rubin/Rubin Ultra and MI400 are driving higher HBM capacity and bandwidth, supporting continued expansion of the HBM market in 2026-2027.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• Nanya Technology

  Legacy DRAM beneficiary and explicitly rated name in the report

  Strengths

  Strong Q2 performance with OP margin at 74%, continued legacy DRAM shortage, and relatively low valuation multiple.

  Weaknesses

  Growth is highly dependent on DRAM ASP and legacy DRAM supply-demand, and profitability leverage is sizable if prices fall.

  Comparison

  The report says Nanya Tech's DRAM profitability is even stronger than HBM.

  Risks

  DRAM price pullback, competition from Chinese peers, and weaker end-demand.

• Samsung Electronics

  Global core DRAM/NAND/HBM supplier

  Strengths

  Fundamentals remain strong; HBM price normalization and demand from NVIDIA Tier 2 customers and Big Tech could be upside drivers.

  Weaknesses

  Share drop has been affected by worries over reduced Meta orders, CXMT capacity, and slower quarter-on-quarter growth.

  Comparison

  BofA believes the stock pullback does not match fundamental strength.

  Risks

  HBM competition, customer order adjustments, and ASP peaking.

• SK Hynix

  One of the HBM and DRAM leaders

  Strengths

  HBM share and high-end memory demand are supported by AI GPU growth.

  Weaknesses

  Some report details are historical data only.

  Comparison

  Together with Samsung, it forms a major HBM supply base.

  Risks

  HBM price declines, capacity expansion pace, and customer concentration.

• Micron

  Major global DRAM/NAND manufacturer

  Strengths

  Benefits from DRAM/NAND ASP expansion and AI server demand.

  Weaknesses

  Profitability remains cyclical and sensitive to cycle swings.

  Comparison

  Used alongside Samsung and SK Hynix for bottom-up industry forecasting.

  Risks

  Price declines, inventory shifts, and end-demand falling short of expectations.

• CXMT

  Chinese DRAM supply and potential competitive variable

  Strengths

  2Q26 sales guidance implies around 7x YoY growth and IPO subscription date is July 16.

  Weaknesses

  Despite significant wafer capacity, global DRAM market share remains in the high single digits.

  Comparison

  The report suggests high-end DRAM will still be mainly supplied by non-Chinese memory vendors.

  Risks

  Capacity expansion may intensify competition, and policy or technology constraints.

• US hyperscalers

  Core driver of AI server and HBM demand

  Strengths

  Total 2026E capex is expected around US$650bn, with continued cloud revenue growth and high margins.

  Weaknesses

  High capex intensity may raise market concerns about the return cycle.

  Comparison

  Amazon, Microsoft, Alphabet, Meta, and Oracle are all major AI infrastructure spenders.

  Risks

  Cloud demand slowdown, AI investment underperforming, and order adjustments.

Key data

• BofA Memory Indicator183 in May 2026Significantly above the 2017/2024 peak range of 120-130; roughly 100 in the mid-cycle and 80 in the down-cycle.
• 3Q DRAM ASP assumption+21% QoQBofA raised it from the prior +17%.
• 2026E DRAM revenue forecast+325% YoYPrimarily driven by approximately a triple-step ASP rebound, with ASP expected at +249% YoY.
• 2026E NAND revenue forecast+299% YoYASP is expected to rise about +238% YoY.
• 2026E/2027E HBM TAMUS$77bn / US$135bn2026E is +122% YoY, while 2027E is expected to hit a new high.
• Nanya Tech 2Q resultssales +684% YoY, OP margin 74%DRAM ASP rose 60%+ QoQ and 500%+ YoY.
• Nanya Tech target priceNT$660Based on 9x 2027-28E P/E, with rating maintained at Buy.
• CXMT 2Q26 sales guidanceCNY59-69bn, about US$9.5bnApproximately 7x year-over-year growth, while global DRAM share remains high single digits.
• Top US tech capexabout US$650bn in 2026EAmazon, Microsoft, Alphabet, Meta and Oracle together are expected to post roughly +80% YoY in capital expenditure.
• DDR5 spot priceabout US$48 in early JulyReached a new high due to AI-related demand and displacement from HBM-priority allocation.

Impact & implications

If the report's view is correct, the storage value chain is likely to benefit through 2026-2027 from high ASPs, expanding AI servers, rising HBM content, and growing cloud capex. Beneficiaries include DRAM/HBM leaders, some legacy DRAM suppliers, enterprise SSD, and NAND-related companies; however, end-market PCs and smartphones may face production-cut pressure as memory chip costs become too high.

Risks

• DRAM and NAND spot prices may correct after being at elevated levels, and the report suggests DRAM may have 10%+ downside by end-2026.
• Capacity expansion by Chinese peers like CXMT may intensify competition in low- to mid-end DRAM, though the report expects limited impact on high-end DRAM.
• Large customers such as Meta cutting chip orders could affect short-term market sentiment and some suppliers' shipments.
• PCs and smartphones may reduce output due to memory chip shortages and high BOM costs, which could weaken non-AI end demand.
• If capex for HBM, DDR5, and NAND is released too quickly, later-cycle supply pressure could emerge.
• Part of the BofA Memory Indicator in the report is a backtest metric and does not represent actual performance of any account or fund.

What to watch

• Whether Samsung shares can again reflect strong Q2 results and the raised 3Q ASP expectations.
• Whether 3Q DRAM quarter contracts are broadly implemented with increases above 20%.
• CXMT July 16 IPO subscription and potential post-listing behavior in late July regarding capacity and pricing strategy.
• Whether Nanya Tech delivers its 3Q guidance and whether legacy DRAM shortages persist.
• Whether DRAM spot prices can hold after the rebound in June-July, and whether NAND prices undergo further correction during summer.
• How cloud capex and cloud revenue margins for Amazon, Microsoft, Alphabet, Meta, and Oracle evolve in 2026-2028.
• Changes in HBM content load for platforms such as NVIDIA Rubin/Rubin Ultra, AMD MI400, Google TPU, and Amazon Trainium.