The $900 Billion Bet: Micron's New Valuation Math Breaks the Memory Mold

Micron's market cap nears $1 trillion as AI-driven demand for HBM and DDR5 memory reshapes its valuation, with BofA doubling price target to $950.

The chip industry has a habit of pricing memory makers like commodities, but Micron just blew up that framework. On Wednesday, the stock closed above $800 for the first time, pushing the company's market capitalization past $900 billion. The climb has been breathtaking — a 153.72 percent gain in euro terms since January, and a 73.75 percent jump over the past 30 days alone. Thursday brought a mild pullback, with the shares settling at €671.40 in European trading, a 2.03 percent dip. For a stock that has added nearly 150 percent in the year, a little profit-taking was only a matter of time.

Bank of America is leaning further into the narrative. The bank more than doubled its price target on Micron to $950 from $500, while keeping a "Buy" rating. The reasoning goes beyond simple earnings momentum: memory supply is no longer as elastic as it once was. Capital constraints, packaging bottlenecks, and power limitations are all tightening the market, and the AI boom is making those bottlenecks acutely visible. In a new valuation framework, Bank of America splits Micron into two distinct buckets. High-bandwidth memory and AI-specific products account for roughly $240 per share, while traditional DRAM and NAND operations are pegged at about $710. That dual structure is a clear signal: the market is no longer treating Micron as a cyclical memory play.

The company's numbers reinforce that shift. Second-quarter revenue hit $23.9 billion, a 196 percent surge year over year, with adjusted earnings per share of $12.20. For the current third quarter, management is guiding toward a record $33.5 billion in revenue, with gross margins approaching 81 percent — an extraordinary level for a memory manufacturer. The tight supply in AI-grade memory is giving Micron pricing power that would have been unthinkable a few years ago.

Nowhere is that pricing power more evident than in high-bandwidth memory. Micron has already begun series production of HBM4 stacks for Nvidia's Vera Rubin platform, and it is qualified not just for HBM but also for SSDs and memory modules within that architecture. That diversified qualification makes the company far less interchangeable than in past cycles. Meanwhile, new 256-gigabyte DDR5 RDIMM modules have been sampled to key server partners, hitting speeds of up to 9,200 megatransfers per second. That is more than 40 percent faster than current mass-production modules, and advanced packaging techniques allow a single module to cut power consumption by more than 40 percent compared with a dual-stick configuration. For hyperscaler data centers grappling with energy constraints, that combination is golden.

The demand side is being driven by the largest cloud operators. Amazon and Microsoft are each planning capital budgets near $200 billion, with Alphabet not far behind. Meta has also raised its spending forecast, explicitly citing higher memory prices. Bank of America models the available AI data center market at $1.7 trillion, and total AI-related capital expenditures could exceed $1 trillion by 2027. Micron is positioning itself to capture a larger slice of that spending. In New York, construction is under way on a $100 billion mega-fab that started in early 2026, and in Singapore the company plans another modern wafer facility worth $24 billion over a decade.

All that optimism comes with a valuation that demands perfection. The trailing price-to-earnings ratio stands at 37.94, far above the five-year median of 20.72. GuruFocus data peg the stock at roughly 138 percent above a calculated fair value of $336.93. Insider sales of about $52.4 million over the past three months also add a note of caution. The market is betting on a prolonged period of tight AI-driven memory supply. Bank of America expects supply-demand ratios to stay below 110 percent through 2028, which would keep prices firm. If that holds, Micron's story stays intact. Any sign of easing — whether from faster capacity additions or a slowdown in hyperscaler spending — would leave the inflated valuation with very little room for error.