Let's put this in perspective first.
SanDisk just reported the most dominant earnings beat in the S&P 500 this quarter. Revenue came in at $5.95 billion against a $4.68 billion consensus, a 27% beat. EPS hit $23.41 against a $14.43 estimate, a 63% beat. Q4 guidance of $7.75 to $8.25 billion in revenue crushed the $6.35 billion Street estimate. Gross margin expanded to 78.4% from 22.5% a year ago. The company launched a $6 billion share buyback. CEO David Goeckeler called it "a fundamental inflection point."
The stock fell 7.5% in after-hours trading to around $1,015.
So what happened?
The Numbers Were Historic
Start with the scale of what SanDisk delivered.
Revenue of $5.95 billion was up 251% year on year and up 97% sequentially. That is not a typo. Revenue nearly doubled from one quarter to the next. Data center revenue specifically surged 233% sequentially to $1.47 billion as enterprise SSD demand for AI infrastructure exploded. Management revised their full calendar year 2026 data center growth forecast upward to the mid-70s percentage range, from the 60s they guided three months ago.
Non-GAAP gross margin hit 78.4%, up from 51.1% the prior quarter and from 22.5% a year ago. Free cash flow reached $2.955 billion for the quarter, a 49.7% margin. Non-GAAP operating margin came in at 70.9%. A zero-debt balance sheet. A $6 billion buyback authorization on top of it.
Q4 guidance: $7.75 to $8.25 billion revenue, non-GAAP EPS of $30 to $33, gross margin of 79 to 81%. All of those numbers crushed what analysts had modeled.
Goeckeler's summary: "We are advancing to a new business model built on multi-year customer engagements backed by firm financial commitments. Together, this transformation is driving structurally higher and more durable earnings power."
By any objective measure this was a perfect earnings report.
Why the Stock Fell Anyway
This is the most important question, and the answer reveals something critical about where SNDK sits right now.
The stock entered earnings at roughly $1,100, up over 3,100% from its 52-week low of $27.89 set on April 7, 2025. Up 360% year to date alone. Polymarket had priced a 97% probability of a beat going into the report. The options market was pricing a 21% implied move. The beat was essentially fully priced in before a single number was released.
Sherwood News captured it precisely: the forward P/E multiple on SNDK has compressed from over 90x expected next-12-month earnings to roughly 32x, and that multiple compression is happening because earnings have grown so fast that the valuation math has normalised. At $1,015, with Q4 guidance implying roughly $120 in annual EPS run rate, SNDK is trading at less than 9x annualised earnings from that guidance. That is cheap on paper. But the market knows the stock already priced in a lot of that future.
The sell-the-news dynamic is amplified by three specific factors.
First, the bar was impossibly high. Seagate had already run hard into SNDK's report, pre-pricing a strong storage sector quarter. Retail traders on Reddit and TradingView had been loading calls for weeks. The implied volatility on options was pricing 21% move expectation. When expectations are that stretched, even a 63% EPS beat is not enough to drive a gap higher.
Second, valuation concern is real. TradingView users were flagging RSI divergence and weakening momentum well before earnings. The 200-day SMA sits at $322. Even at $1,000, SNDK is trading at 3x its 200-day moving average. That is an extended position by any technical measure. Some technical analysts are flagging a 50% retracement toward $518 as the next realistic mean-reversion target if momentum breaks.
Third, profit-taking is rational. Someone who bought SNDK at $100 twelve months ago is sitting on a 10x. A 7.5% after-hours dip is an opportunity to lock in generational gains, not a reason to buy more. That pressure is structural.
Is $1,000 a Buy Signal?
The fundamental case for owning SNDK below $1,000 is genuinely compelling.
At $1,000 and with Q4 EPS guidance of $30 to $33, annualising to roughly $124, the forward P/E compresses to around 8x. For a company growing revenue 251% year on year with 78% gross margins, free cash flow of $2.955 billion in a single quarter, zero debt, and a $6 billion buyback, that is an extraordinary valuation in absolute terms.
The QLC Stargate solution is set to begin shipping revenue next quarter, adding another product category that hyperscalers have not yet started paying for. Management's upward revision to data center growth forecasts suggests the supply shortage is widening, not narrowing. The $6 billion buyback at current prices would retire roughly 5.8% of shares outstanding, structurally supportive for EPS.
But the technical picture gives real reason for caution.
The stock is still 3x its 200-day SMA. Momentum indicators show weakening at the top. The beta of 2.85 means any macro risk-off event, an Iran ceasefire breakdown, a hawkish Fed surprise, or a broader tech selloff, will hit SNDK disproportionately hard. The TradingView community $518 retracement target is not crazy given the historical precedent for parabolic stocks mean-reverting to their moving averages.
The honest framework: below $1,000 is interesting for investors with a 6 to 12 month horizon who can tolerate volatility. It is not a trade for anyone who cannot stomach a potential move to $800 to $850 on any macro shock before the next quarterly catalyst in August.
Bull Case vs Bear Case
The Bull Case
Q4 guidance of $7.75 to $8.25 billion with 79 to 81% gross margins means SNDK will likely generate over $3 billion in free cash flow next quarter alone. The QLC Stargate launch is an incremental revenue stream that nobody has fully modelled yet. At $1,000, the forward PE on run-rate earnings is sub-10x for a business with structural NAND shortage tailwinds extending into 2027. The $6 billion buyback provides a floor. Multiple analysts still have price targets above $1,250 based on Bernstein's framework. The AI storage supercycle is far from over.
Bull target: $1,200 to $1,300 by Q4 2026 on continued earnings acceleration.
The Bear Case
A 3,100% twelve-month run always ends somewhere. The multiple compression from 90x to 32x to 8x tells you the market is rapidly repricing from growth stock to value stock, and that transition is rarely smooth. Supply from Samsung, Micron, SK Hynix, and Kioxia is all ramping. Any sign that NAND pricing rolls over in 2027 hits the thesis hard. The 200-day SMA at $322 is a long way down if institutional holders decide the easy money is made. The beta of 2.85 makes this a brutal stock to hold through macro volatility.
Bear target: $800 to $850 on any meaningful risk-off event or supply inflection signal. $518 to $600 if the full mean-reversion plays out.
The Verdict
Sell the news? Yes. In the short term, unambiguously.
Classic trend reversal? Not yet. The fundamentals do not support a reversal thesis. The numbers delivered tonight are structurally exceptional. What has changed is that the stock's valuation is now catching up to the earnings, removing the multiple expansion tailwind that drove the 3,100% run.
The next three months are defined by two questions.
Does NAND pricing hold or accelerate into Q4, or does Samsung begin aggressive capacity dumping that signals a cycle turn?
Does the broader market remain risk-on, giving SNDK's high-beta structure room to consolidate rather than crack?
If NAND pricing holds and macro stays stable, the dip below $1,000 is a gift. If either breaks, the 200-day SMA at $322 is not as outlandish as it sounds.
Watch the open on May 1. If SNDK holds $980 to $1,000 on high volume, the sell-the-news trade is exhausted and buyers are stepping in. If it gaps below $960 on volume, the profit-taking has further to run.
The tree grew to $1,100. Whether it can grow further depends on what the ground underneath it looks like.
I am not a financial advisor. Trade wisely, Comrades.
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