Sandisk stock (SNDK) surges 8% as company showcases quicker AI flash technology ahead of Investor Day

Sandisk stock (SNDK) surges 8% as company showcases quicker AI flash technology ahead of Investor Day

MILPITAS, California, August 12, 2026, 14:13 EDT

  • Sandisk stock gained 8.3% to $1,376.63 in trading during the afternoon.
  • The new 2Tb QLC flash boosts interface speed by 33% to reach 4.8 Gb/s.
  • Investor Day on Thursday will provide the next assessment of earnings sustainability.

Shares of Sandisk Corporation rose 8.3% on Wednesday following the launch of new high-speed flash memory targeted for AI infrastructure. At 13:50 EDT, the stock was trading at $1,376.63, significantly outperforming the overall market.

Stock chart for NASDAQ:SNDK

Timing is key. Sandisk will meet with investors on Thursday, following a recent surge in its data-center division. Executives are now tasked with linking a product achievement to consistent cash generation.

Kioxia Corporation and Sandisk announced their ninth-generation 2Tb QLC 3D flash delivers a NAND interface speed of 4.8 Gb/s, marking a 33% increase over the previous generation. The device leverages six memory planes to improve parallel throughput.

Sandisk Chief Technology Officer Alper Ilkbahar said the company’s ninth-generation QLC technology showcases CBA’s distinctive adaptability. He said the architecture allows CMOS and memory to progress on separate paths.

Technology measureNinth-generation 2Tb QLCPrior generationChange
NAND interface speed4.8 Gb/sAbout 3.6 Gb/s+33%
Memory planesSixNot disclosedGreater parallel capability
Target workloadsCloud and AI infrastructureGeneral flash applicationsShift to higher-density
Power efficiencyEnhancedInitial levelNot detailed

The stock posted a significant increase but did not fully recover. Sandisk was still 41.5% under its $2,354.39 52-week peak. The 2.68 beta indicates an unusually high level of market sensitivity.

Market measureAugust 12 readingComparison
Share price$1,376.63Up $105.58
Session move+8.31%Last close was $1,271.05
Day range$1,308.53-$1,389.28Trading close to the day’s peak
Volume8.26 millionThree-month average stands at 13.43 million
52-week high gap-41.5%52-week high reached $2,354.39

The discussion is clarified by last week’s earnings. Revenue for the fiscal fourth quarter totaled $8.97 billion. Non-GAAP earnings stood at $39.25 per share, and data-center revenue saw a sequential increase to $2.98 billion, doubling from the previous period.

Fiscal Q4 measureReportedComparisonVariance
Revenue$8.97 billion$8.42 billion estimate+6.5%
Non-GAAP EPS$39.25$34.59 estimate+13.5%
Data-center revenue$2.98 billionPrior quarter+103%
Non-GAAP gross margin84.6%26.4% same quarter last year+58.2 points

Guidance came in ahead of forecasts. The midpoint of the first-quarter revenue range is roughly 0.8% above the LSEG projection. The earnings midpoint surpasses it by 4.4%.

Fiscal Q1 2027 measureSandisk rangeMidpointMarket estimateMidpoint premium
Revenue$10.30-$10.80 billion$10.55 billion$10.47 billion+0.8%
Non-GAAP EPS$44-$46$45$43.12+4.4%

Visibility is a key focus for investors. Sandisk holds eight contracts with six clients, with a minimum commitment totaling $93.9 billion. The typical contract length is four years. Commitments secure half of Sandisk’s fiscal 2027 production and approximately two-thirds of its fiscal 2028 output.

A straightforward example divides $93.9 billion across four years, resulting in $23.5 billion per year—equivalent to 65% of the most recent quarterly revenue run rate. This is not a projection, as the specifics of contract scheduling and customer composition have not been revealed.

As a result, the 09:00 EDT Investor Day on Thursday will hold more significance for investors than another performance benchmark. Details on delivery schedules, funding requirements and agreement terms are priorities. Chief Executive David Goeckeler and Chief Financial Officer Luis Visoso are set to deliver presentations.

Analysts largely maintain a positive outlook, but price targets differ significantly. The consensus target stands at $2,053.50, indicating a 49% potential rise from Wednesday’s closing price. RBC has set its target at $1,300, which is below the average.

FirmRatingTargetLatest actionDate
Bernstein SocGenBuy$3,000ReaffirmedAugust 6
Cantor FitzgeraldBuy$2,900ReaffirmedAugust 10
JefferiesBuy$1,750ReaffirmedAugust 6
ArgusBuy$1,600RaisedAugust 10
RBC CapitalHold$1,300ReaffirmedAugust 6
Consensus19 Buy, 4 Hold, 0 Sell$2,053.50Based on 23 analystsAugust 12
Source: Investing.com analyst ratings.

Another tool is capital returns. Sandisk bought back $4.5 billion in stock in the quarter. The company still has $15.5 billion authorized for repurchases.

Risks: NAND prices are subject to cyclical fluctuations. Customer concentration presents a risk, as six clients support the latest agreements. Margin pressure could arise from slower production, significant capital spending, or reduced AI expenditure.

Wednesday’s rally reflects confidence in the product advance. On Thursday, the focus turns to whether the business case holds up. The sustainability of the rebound will depend on contract conversion and maintaining capital discipline.

TS2 TECH • EXTENDED COVERAGE

Further analysis

Why did Sandisk stock rise on August 12?
Sandisk shares rose 8.3% to $1,376.63 after the company and Kioxia announced ninth-generation 2Tb QLC 3D flash memory. Its 4.8 Gb/s interface is 33% faster than the prior generation. Investors treated that advance as evidence that Sandisk can serve denser AI and cloud workloads, though commercial shipment timing was not disclosed.
What matters most at Sandisk's August 13 Investor Day?
Management needs to connect technology gains with durable cash flow. Sandisk has at least $93.9 billion of commitments across eight agreements with six customers. Investors need contract timing, shipment volumes, capital needs and margin assumptions before treating that figure as recurring revenue.
Do analyst targets make Sandisk shares inexpensive?
The average target of $2,053.50 implies about 49% upside from the observed August 12 price. The range is wide, from $1,300 to $3,000. That spread reflects real uncertainty around NAND pricing, AI demand, customer concentration and execution.
Jerzy Lewandowski

Jerzy Lewandowski is a senior markets editor at TS2.tech covering stocks, artificial intelligence, semiconductors and global financial markets. He studied economics at the University of Warsaw and previously worked in investment analysis before moving into financial journalism. His daily coverage focuses on the trends and events that matter most to investors worldwide. Follow Jerzy Lewandowski on Google News.

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