Micron and SanDisk slide 20–30%, but memory chip demand points higher

Micron and SanDisk, two of the largest memory chip suppliers in the market, have both experienced sharp drawdowns from their 2026 highs, with Micron down 20% and SanDisk down over 30%. Both stocks rocketed higher in the first half of 2026 before surrendering those gains, creating what the article presents as a potential re-entry opportunity for investors. The core distinction between the two lies in their product portfolios: Micron manufactures both NAND memory (used for long-term storage in devices like solid-state drives) and DRAM memory (used alongside computing units for rapid data access in data centers), while SanDisk produces only NAND memory.

Demand for both types of memory has remained stable over the past year, driven largely by AI hyperscalers expanding data center capacity. Companies in both industries have struggled to meet this demand, and with further data center expansion anticipated over the coming years, both Micron and SanDisk stand to benefit. Memory chips function as commodities, meaning that when supply is constrained and demand is high, prices and margins expand significantly. This dynamic has fueled the revenue and profit surge both companies have experienced.

The article acknowledges a principal risk: cyclicity. Eventually, memory chip demand will soften or supply will rise to more normal levels, compressing prices and eroding the substantial profits investors have come to expect. However, Micron has signaled to investors that it expects memory chip market tightness to persist beyond 2027, implying at least another year and a half of strong growth. Wall Street analysts project 81% revenue growth for Micron during fiscal 2027 (ending August) and 154% revenue growth for SanDisk during fiscal 2027 (ended June). Despite these growth expectations, both stocks trade at low multiples—Micron at 6.3× FY 2027 earnings and SanDisk at 7.5×—suggesting the market remains skeptical about the boom's long-term sustainability. The article concludes that while industry experts are calling for years of memory chip shortage, SanDisk presents the more attractive case on a risk-reward basis due to its significantly higher projected growth rate, though Micron remains a viable alternative.

Micron and SanDisk have become focal points in the AI-driven memory chip market, where demand from hyperscalers building data center infrastructure has outpaced supply. The article establishes that memory chips function as commodities—when supply is constrained and demand is high, prices spike—and this dynamic has turbocharged both companies' revenues and profits over the past year. However, the recent 20–30% declines suggest the market is pricing in a fundamental concern: the cycle will eventually turn, either through falling demand or rising supply, which would crater the exceptional margins investors have grown accustomed to.

Micron's advantage lies in its dual exposure to both NAND and DRAM segments, diversifying its revenue streams across the memory chip market. SanDisk's NAND-only focus is narrower but does not necessarily disadvantage it if NAND demand remains the primary driver of growth. The article signals that the bull case—years of industry shortage persisting beyond 2027—is credible enough that both stocks trade at relatively low multiples despite rocketing fundamentals, implying substantial upside if the thesis holds. The critical variable is whether industry predictions of prolonged shortage withstand the test of time or whether new capacity additions and demand moderation undermine the boom sooner than expected.

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