Western Digital Corp (WDC) turned in one of the strongest quarters in its history on August 5, then watched investors punish the stock for it anyway.
Shares fell as much as 16% across two sessions even though revenue and profit beat Wall Street’s targets by wide margins, according to a Reuters report. That is not how a beat and raise quarter usually plays out.
The numbers themselves were not close. Fiscal fourth quarter revenue reached $3.75 billion, up 44% year over year, while adjusted earnings per share of $3.56 topped estimates by nearly 8%, according to the company’s fiscal fourth quarter results.
Guidance for the current quarter also came in ahead of consensus.
Bank of America saw the same report and reached a split verdict. Analysts reiterated their Buy rating on the stock, citing durable demand for high capacity drives and a favorable pricing environment.
At the same time, they trimmed their price objective to $720 from $732, a rare move inside an otherwise bullish note.
That split is the real story.
Pricing power is doing more of the heavy lifting
Buried in BofA’s note is a detail most headlines skipped. Exabyte shipment growth, essentially the total volume of storage capacity Western Digital sold, came in at 22% year over year, below what analysts had expected.
Pricing, not shipments, carried the quarter.
Total dollar per terabyte pricing rose in the high teens year over year, accelerating from a high single digit pace the prior quarter, per the BofA note.
Exabyte shipments themselves grew a more modest 4% sequentially to 231 exabytes. Western Digital is now selling less new capacity than analysts wanted, and making more money per unit than it used to.
Related: BofA downplays China’s threat to Micron’s AI business
That shift matters because it changes what kind of company Western Digital has become.
A hard drive maker that grows by shipping more capacity is a volume story tied to data center construction cycles. One that grows mainly by raising prices on existing capacity looks more like a scarcity story, the kind investors usually pay up for.
The structural driver underneath that scarcity is AI itself. Training runs, inference requests, and saved checkpoints all generate data, and most of it lands on hard drives because they cost far less per terabyte than flash memory, according to trade publication Blocks and Files. That gap is what let Western Digital raise prices instead of chasing volume.
Long term customer agreements now stretch through 2031, giving Western Digital years of visibility into demand, according to the BofA note.
Bank of America’s own valuation leans on that shift. Its $720 price objective assumes 19 times projected calendar 2028 earnings, well above the stock’s five to 27 times historical range.
The stock drop reflects a valuation reset, not a demand crack
Western Digital shares had nearly tripled since January heading into the report, according to Investing.com.
That kind of run leaves almost no room for a merely good quarter, and this was a good quarter, not a flawless one.
The selloff was not isolated to Western Digital either. Seagate Technology, SanDisk, and Micron Technology all declined the same week after storage companies issued guidance that beat estimates but fell short of what an overheated sector had already priced.
When an entire sector sells off on beats, the message is about expectations, not execution.
HAMR technology is the next real test of the thesis
Western Digital’s longer term bet rests on a technology transition still in progress. The company expects to begin shipping 44 terabyte HAMR drives, its next generation recording technology, in the first half of calendar 2027, per the BofA note.
Until then, gains have come mostly from a nearer term format called ePMR, which began shipping in volume this year with two customers.
Rival Seagate is racing through the same transition, and some analysts view it as slightly ahead on execution, according to a report from TIKR.
More BofA:
- BofA downplays China’s threat to Micron’s AI business
- Nvidia dominates AI chips, but BofA sees AMD closing in
- BofA refuses to embrace cybersecurity darling ahead of earnings
Whichever company ramps faster stands to capture more of the pricing gains both are counting on.
CEO Irving Tan framed the outlook around visibility rather than acceleration, saying the company enters fiscal 2027 “with continued confidence in the durability of demand,” according to the company’s earnings release.
That is a measured claim for a market that had already priced in far more.
A repricing, not a red flag, for the AI storage trade
Western Digital’s post earnings drop previews what may await other AI infrastructure stocks that ran hard on the same narrative.
When a business built on scarcity finally reports strong results, the market’s response depends less on the results than on how much strength it already assumed.
Investors chasing the next AI beneficiary should ask not whether fundamentals are improving, but whether the stock already priced in improvement that has not happened yet.
Related: Nvidia dominates AI chips, but BofA sees AMD closing in
