SanDisk's 17% surge is a big picture, but I advise you not to rush in
Last night, was there anyone like this around you?
Watching SanDisk's stock price surge 17% intraday, I was excited and started trading software to chase it.
"AI storage demand explodes, data center revenue soars 645%, gross margin 80%—isn't this the next Nvidia?"
And then? Then he might have already been hanging on the mountaintop.
Don't rush. The story isn't that simple.
Let's first talk about what SanDisk actually said this time.
On August 13 Investor Day, SanDisk announced a series of "explosive" long-term targets:
Fiscal Years 2028 to 2030—
Revenue maintained mid-to-high double-digit growth
Non-GAAP gross margin of approximately 80%
Operating profit margin approximately 75%
Adjusted free cash flow margin approximately 50%
100% excess cash return to shareholders
Goldman Sachs immediately set a target price of $2,200, saying it could rise another 44%. The stock price once rose more than 17%, closing up nearly 14%.
Doesn't that sound wonderful?
But did you know—just a week ago, SanDisk released an equally "explosive" financial report.
Quarterly revenue was $8.965 billion, a year-over-year surge of 372%. Data center business revenue was $1.467 billion, a year-over-year increase of 645%. Non-GAAP gross margin was 84.6%.
And then? When the earnings report was released, the stock price dropped 12% in two days.
From the all-time high of $2,354 in June, it fell to $1,238, nearly halved.
The better the performance, the worse the decline.
Doesn't this scene sound familiar?
Google, Tesla, SanDisk—"strong performance turnaround" has become the biggest market trap of 2026.
Why?
Because the market is always trading expectations, not facts.
SanDisk has fallen 47% from its June high, not because the company has worsened. It's because it has risen too much—up 430% year-to-date.
What does that mean? The market has already overdrawn the story of the "AI storage supercycle" ahead of time.
Now you tell me, "In the future, we can achieve mid-to-high double-digit growth and an 80% gross margin"—the market only asks one question:
"Can it be better than expected?"
If not, then the current price is the ceiling.
What's even more painful is that SanDisk is doing something the storage industry has never done before: fighting against cycles.
NAND storage is a typical cyclical industry. Supply shortages→ price hikes→ capacity expansion→ oversupply→ plummets→ production cuts→ and supply falls again.
This cycle has never changed in the past twenty years.
SanDisk said, "I signed long-term agreements (NBMs) with eight customers, covering about two-thirds of the shipments in fiscal year 2028, with a total contract value of $94 billion. I want to smooth out the cycle." ”
Sounds sexy, right?
But every company in history that tries to "smooth out cycles" ends up being harshly taught by cycles.
Cycles can't be eliminated by just a few contracts. When demand really turns, contracts are just a piece of paper.
So, is AI storage still worth watching?
Value. But not at the current price.
SanDisk's fundamentals are solid—AI inference is turning data centers into "storage-intensive" scenarios. By 2030, the enterprise data center flash market is expected to reach 1.2ZB. HBF high-bandwidth flash technology is also accelerating.
Long-term logic is strong, short-term valuation is expensive.
These two things coexist and are not contradictory.
07.
A few honest words for crypto players:
First, don't chase highs. If you rushed in when SanDisk rose 17%, you're likely to be buying noodles. Good companies ≠ good prices.
Second, the strength of the storage sector will spill over into the crypto market. SanDisk, Micron, and Western Digital all surged, indicating that the AI hardware narrative is still ongoing. Funds will look for the next niche—AI-related crypto projects, especially decentralized storage, which may be rotated.
Third, don't gamble on financial reports. SanDisk has proven from personal experience—the better the performance, the higher the expectations, and the higher the expectations, the easier it is to "exhaust all the positive news."
The last sentence:
The market rewards not those who see the right spot,
It's about looking at the right people at the right price.
SanDisk drew a big pancake, which was delicious. But don't bite into it when it's at its hottest.
$SNDK$SKHY$WDC #闪迪投资者日后, long-term goals become the focus
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