Buy, Sell, or Hold: SanDisk at $1,562 and Micron at $746

"SanDisk makes NAND flash storage for datacenter, edge, and consumer markets. Micron is the only U.S.-based memory manufacturer, with leadership in High Bandwidth Memory for AI accelerators. The AI buildout turned a cyclical industry into a momentum trade, and both stocks went vertical in the past month."

"Q3 FY26 revenue hit $5.95B, up 251% year over year, with the Datacenter segment growing 645% YoY to $1.47B. Gross margin expanded from 22.5% to 78.4% YoY, and EPS of $23.41 crushed the $14.66 consensus. Management guided Q4 to $7.75B to $8.25B in revenue with non-GAAP EPS of $30 to $33, signed five multi-year customer agreements, retired all long-term debt, and authorized a buyback."

"Price has lapped the story. Shares are up 31.62% in one week, 100% in one month, and 558% year to date. The quote of $1,562.34 sits above the consensus target of $1,399.05, implying meaningful downside if the multiple compresses. NAND has historically been boom-bust, and the Consumer segment already declined 10% sequentially."

"Micron's setup is stronger but stretched. Q1 FY26 produced record revenue of $13.64B, up 56.6% YoY, with non-GAAP EPS of $4.78 beating the $3.94 consensus. Q2 guidance calls for $18.7B in revenue and $8.42 non-GAAP EPS at roughly 68% gross margin. Forward P/E sits at just 8x,"

SanDisk and Micron both trade near all-time highs after rapid NAND and HBM repricing tied to AI buildouts. SanDisk produces NAND flash for datacenter, edge, and consumer markets, and reported Q3 FY26 revenue of $5.95B, up 251% year over year, with gross margin rising from 22.5% to 78.4% and EPS of $23.41 versus a $14.66 consensus. Management guided Q4 revenue of $7.75B to $8.25B, non-GAAP EPS of $30 to $33, signed five multi-year customer agreements, retired long-term debt, and authorized a buyback. Despite these fundamentals, SanDisk’s shares surged sharply and trade above the average target, increasing downside risk if valuation compresses. Micron is described as stronger but stretched, with Q1 FY26 record revenue of $13.64B and non-GAAP EPS of $4.78, and Q2 guidance for $18.7B revenue and $8.42 EPS at about 68% gross margin, supported by a low forward P/E around 8x.

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