SK Hynix Inc. (ADR)
Information Technology · Semiconductors & Semiconductor Equipment
Structural: global #2 DRAM (Samsung #1, Micron #3) in a three-player oligopoly with disciplined supply. Memory is a commodity cycle overlaid by a structural AI-HBM demand step-change - SK Hynix is best-positioned in HBM3E and leads NVIDIA's HBM qualification stack.
(1) HBM3E sole-/lead-source for $NVDA H200 + B200 - AI training buildouts are memory-bandwidth constrained, so HBM ASPs run 5-8x commodity DRAM per bit. (2) DRAM cycle recovery - PC/server restocking + DDR5 mix lift drive margin expansion into 2026.
(3) NAND consolidated - SK Hynix absorbed Intel's NAND business (Solidigm); enterprise SSD TAM is sticky. (4) Operating leverage - fixed-cost fabs mean volume recovery produces outsized margin expansion; EBIT margins can swing 20pp across a cycle.
(5) HBM4 roadmap - sampling HBM4 for $NVDA Rubin, securing next-gen lock-in.
(1) Commodity DRAM/NAND cycle risk - oversupply from Samsung or new Chinese entrants (CXMT, YMTC) compresses blended ASPs. (2) $NVDA HBM concentration - ~30% of revenue depends on one end-customer's capex cycle; any GPU demand air pocket hits Hynix hard.
(3) Korea geopolitical risk / US export controls - US CHIPS Act restricts Hynix's ability to expand China fabs. (4) ADR liquidity discount - HXSCL OTC ADR is illiquid vs. KS; spreads widen in stress. (5) Samsung catch-up - Samsung is behind on HBM3E yields but scale + captive foundry could shift share by 2026.
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