Micron vs. SK Hynix: Which Is the Better Memory Stock to Buy?

DRAM is in a “supercycle” driven by AI/HBM demand and constrained supply, lifting SK Hynix and Micron’s profitability sharply. SK Hynix reported Q1 revenue up nearly 200%, gross margin expanding from 57% to 79%, and profit up nearly 400%, supported by longer-term 3–5 year contracts with no price caps plus price floors; Micron’s revenue more than quadrupled YoY and gross margin jumped from 37.7% to 84.6% with agreements covering ~40% of revenue but including price caps. The article argues SK Hynix’s HBM leadership (~60% share) and contract structure could offer more upside than Micron, with both trading around a forward P/E under 6 for ADRs.

Analysis

The real economic winner is the supplier with the tightest bottleneck and the least price transparency. In a market where HBM consumes far more wafer capacity than conventional DRAM, the constraint is not demand but conversion capacity, so pricing power should remain with the few firms that already secured long-lead customer relationships. That favors ASML as the toll collector on capacity expansion and keeps NVDA structurally dependent on memory supply discipline, because GPU shipments are only as scalable as HBM availability.

Relative to Micron, SK Hynix appears better positioned to convert the cycle into durable earnings because its contract structure preserves upside if spot prices keep tightening. Micron’s capped contract mix makes it more likely to lag on the way up and then still face margin compression once customers start normalizing inventories; that asymmetry matters more than near-term revenue growth. The market is likely underpricing how much of the current profit step-up is being locked in versus exposed to reversion.

The main risk is that this remains a supercycle only until capacity additions and customer pre-buying catch up, which can happen faster than revenue growth suggests. If hyperscaler capex pauses, Samsung gets more aggressive, or ASPs flatten for even one or two quarters, memory stocks can de-rate sharply because peak margins are being capitalized today. The contrarian view is that the industry may be transitioning from a pure cyclical commodity model to a semi-contracted scarcity model; if that is right, the multiple on SK Hynix deserves to move closer to infrastructure-like earnings visibility, not peak-cycle skepticism.

Key Decisions for Investors

• Long SKHY / short MU as a 3-6 month relative-value pair: SK Hynix has the cleaner upside capture if DRAM pricing stays tight, while Micron’s capped contracts should mute incremental upside. Falsify if MU starts guiding to materially better contract mix or if SKHY ADR premium widens beyond a tolerable entry point.