Kioxia's Slowing Price Momentum Meets a Crowded NAND Field
Published on 10/30/2026 at 13:32 | Editorial boerse-global.de
Kioxia has told investors that the extraordinary run-up in flash memory prices is losing steam, and the market's response was swift: the stock fell 12% as a guidance range for the December quarter landed below consensus. The warning arrives at an awkward moment, with doubts about the financing of AI infrastructure already weighing on Asian semiconductor shares.
The price engine is still running â just not as hard
According to Bloomberg, Kioxia's average selling price for NAND flash climbed by a mid-teens percentage in the JulyâSeptember quarter. That compares with a 70% jump in the prior three months. Prices are still rising, but the pace has cooled markedly.
That distinction matters. Kioxia is not reporting a decline in prices; what is fading is the velocity of the upswing. For shareholders, the question shifts from how much profit has already been banked to how much additional growth is still on the table.
Demand remains a support beam. Nikkei reports that AI investment is driving data-center storage requirements, while higher chip prices are also bolstering the smartphone business. Kioxia itself points to robust demand from data centers running generative AI, alongside higher selling prices and larger shipped volumes.
Should investors sell immediately? Or is it worth buying Kioxia?
Guidance points to a plateau
For October through December, Kioxia projects operating profit of „1.995 trillion against a market consensus of „2.35 trillion. Revenue is guided at „2.5 trillion.
The company still expects strong data-center demand, but the outlook also bakes in unfavorable exchange rates. All told, business should come in roughly flat versus the previous quarter â the sustained AI need is not translating into another meaningful jump in earnings, at least not yet.
The scale of the base is laid bare by the JulyâSeptember 2026 results: revenue of „2.48 trillion, up 40.3% quarter on quarter, and operating profit of „1.9947 trillion. That gap between torrid past growth and a near-stagnant forecast is what gives the guidance its bite. Nobody is questioning the strength of the quarter just reported; the doubt is about whether the pace can continue.
A year-on-year story that still looks powerful
On net profit, the comparison remains striking. Nikkei reports that Kioxia expects „1.36 trillion for OctoberâDecember â roughly 15 times the year-earlier quarter. The company also plans an interim dividend of „90 per share and intends to initiate dividend payments in the next fiscal year or earlier.
Two narratives therefore sit side by side. Against last year, Kioxia is still growing vigorously. Against the immediately preceding quarter, the next leg up is missing. Slowing price momentum and softer guidance have made that short-term ceiling the dominant theme.
No HBM, and a rival in the rear-view mirror
Kioxia has no HBM products. Its story rests on enterprise SSD revenue and long-term supply agreements with hyperscalers. AI-driven scarcity is lifting NAND prices, but the pertinent question for investors is how effectively Kioxia can convert that tailwind into its own business.
The distinction is not academic: strong demand for AI memory does not confer the same advantage on every supplier. For Kioxia, the focus falls on NAND and data-center storage solutions. Disclosures about customer commitments would carry more weight than a simple reference to favorable industry conditions.
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Competition adds another layer. Counterpoint data shows YMTC overtook both Kioxia and Micron in NAND shipments during the second quarter of 2026, taking third place worldwide. Rising prices alone do not settle the question of Kioxia's competitive standing.
A cheap multiple, and the skepticism beside it
Bloomberg pegs Kioxia's price-to-earnings ratio on expected next-twelve-month profits at 3.5, against a sector average of 5.2 cited by CITIC CLSA â a pronounced discount. It is not, however, proof of undervaluation. The ratio rests on forecast earnings and therefore on how the business develops from here. CITIC CLSA simultaneously labels Kioxia the weakest name among the major global memory stocks. The low multiple sits alongside deep investor skepticism.
Reuters reported fresh doubts about the returns on hefty AI spending, while Bloomberg noted that higher financing costs and credit risk could force hyperscalers to slow their build-outs. In that environment, durable supply agreements would offer more orientation than present scarcity alone. Beyond enterprise SSDs, any commentary on long-term contracts will be closely watched â and for the valuation discount to close, Kioxia must make a convincing case for the durability of its earnings base.
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