The arithmetic of SanDisk’s latest earnings report is almost jarring. Revenue up 51 percent quarter over quarter to $8.97 billion. GAAP net income of $6.90 billion. A full-year sales jump of 175 percent to $20.25 billion, with the datacenter segment alone expanding 437 percent. And yet the stock tumbled roughly 12 percent in after-hours trading on August 5, with some measures putting the subsequent drawdown closer to 13 percent.
That disconnect — spectacular operational numbers met with a double-digit share price decline — has set the tone for the past month of trading. The stock has now fallen about 47 to 48 percent from its record high, depending on the measurement date, and remains more than 21 percent below its 50-day moving average. On the Euro-denominated listing, shares recently changed hands at €1,150.00, up 4.55 percent on the day, after a 30-day slide of roughly 25 percent.
The Margin Story That Spooked the Street
The market’s skepticism centers on one question: can SanDisk sustain the profitability embedded in its latest quarter? The non-GAAP gross margin in the datacenter business jumped from 26.4 percent in the year-ago quarter to 84.6 percent — a structural shift that several analysts have greeted with caution rather than celebration.
Jefferies responded on August 6 by slashing its price target from $3,000 to $1,750, though it maintained a Buy rating, citing margin concerns. Wells Fargo went further, downgrading the stock to Neutral and cutting its target from $1,600 to $1,420. Evercore ISI trimmed its objective from $3,100 to $2,800. Three firms, one theme: the growth narrative remains intact, but the valuation attached to it is being renegotiated.
Not everyone sees reason for alarm. Argus Research upgraded the stock from Hold to Buy on August 10, setting a $1,600 price target and explicitly citing the 47 percent pullback from the peak as the rationale. The logic is straightforward: the share price has fallen further than the underlying business has deteriorated.
A Balance Sheet Transformed
What often gets lost in the margin debate is how much financial firepower SanDisk has accumulated. Long-term debt has been eliminated entirely, dropping from $1.83 billion to zero, while cash reserves climbed to $4.76 billion. The board authorized an additional $14 billion buyback program, bringing total remaining authorization to $15.5 billion. In the last fiscal year alone, the company repurchased $4.524 billion worth of its own shares.
The contract book is expanding in parallel. SanDisk began the year with five so-called New Business Model agreements and has since added five more, three of them with new customers. These long-term supply arrangements now carry a minimum revenue volume of $94 billion, with a remaining performance obligation of $91 billion. Management says the contracts will cover more than half of bit shipments in fiscal 2027.
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The deals also bring upfront cash. SanDisk has secured roughly $11 billion in prepayments from customers — a meaningful figure, though still about half of the approximately $22 billion that Micron has received in similar arrangements. Goldman Sachs has pointed to these prepayments as a key differentiator among memory suppliers in the current cycle.
The Consumer Business Fades Into the Background
The flip side of the datacenter surge is a shrinking consumer franchise. That segment fell 32 percent to $556 million, underscoring how SanDisk’s identity has shifted from a mainstream storage vendor to a specialized AI-infrastructure play. Anyone buying the stock today is making a bet on the datacenter story, not on the traditional memory business for everyday devices.
There’s also a technology roadmap to consider. Together with SK hynix, SanDisk unveiled a specification for HBF memory at the FMS 2026 trade show, with commercialization targeted for around 2027. The push comes as the industry grapples with a bottleneck in high-bandwidth memory: currently only 50 to 60 percent of the memory in AI servers is actually used for compute operations. Technologies like CXL, PIM and HBF are designed to close that gap, and Samsung and SK hynix are positioning themselves in the same arena.
A Split Verdict on Valuation
Morningstar remains the most prominent skeptic, arguing that even after the steep decline, SanDisk is still overvalued. The research firm places both SanDisk and Western Digital — the latter down 42 percent from its high — in the upper range of its three-star rating, suggesting the market has gotten ahead of itself. Morningstar expects the current cycle to peak in early 2028, followed by a downturn in 2029 and 2030.
The numbers behind the debate are telling. Market capitalization stands near $188 billion, with a price-to-earnings ratio of 17.44. Wall Street’s consensus price target is $1,853.14, with a “Moderate Buy” rating, and Barclays and Citi have both struck constructive tones on the business trajectory. For the first quarter of 2027, management guided earnings per share between $44 and $46, following a fourth-quarter EPS of $39.25 that came in well above the $33.28 consensus.
The near-term catalyst is the investor day scheduled for August 13, where chief executive David Goeckeler will get a chance to address the margin questions directly. Until then, the stock appears caught between two competing narratives: one of a company whose operational transformation is being underappreciated, and another of a valuation that ran too far too fast. The 50-day average of €1,462.30 and a relative strength index of 45.9 suggest the selling pressure has cooled, but the debate over what SanDisk is actually worth is far from settled.
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