SanDisk shares surged 27.6% on Tuesday, extending a remarkable run that has driven the stock up 871% since its spinout from Western Digital in late February 2025. This latest rally marks the company’s strongest single-day performance in over three years and builds upon its title as the top-performing S&P 500 stock for 2025.

Industry research firm Trendforce projects a more than 40% increase in solid-state drive pricing in the first quarter, with contract prices across all NAND flash categories rising 33–38% quarter-over-quarter. This disciplined capacity management by suppliers, coupled with robust server demand, is squeezing supply and driving contract prices to levels not seen since early 2022.

At CES, a leading AI chip maker unveiled a storage platform optimized for agentic AI inference, claiming up to five times the power efficiency of traditional architectures. Although SanDisk was not named explicitly, industry analysts expect this new architecture to accelerate enterprise deployments of inference servers packed with high-performance NAND flash, further elevating demand through 2026.

SanDisk currently boasts a gross margin near 29.3% and a market capitalization around $40 billion, reflecting its dominant position in the memory hierarchy. While surging memory prices support a prolonged profit cycle, investors should remain cautious: new fab capacity typically requires 12–18 months to come online, and any acceleration in supply could trigger a sharp price correction.