GET DAILY SIGNALSSanDisk (SNDK) Stock Slides -37.5% in 30 Days Despite Strong Quarterly Results
Key Takeaways
- SanDisk (SNDK) fell roughly 37.5% over the past 30 days, sliding from about $1,720 in early October to near $1,075 at the start of November.
- The decline came despite a record fiscal first quarter: revenue rose 378% year over year to $11.03 billion, with an adjusted gross margin of 85.1%.
- The primary catalyst was fab partner Kioxia's warning that the AI-driven surge in NAND flash prices is fading, with price growth decelerating sharply.
- The selloff reflects investor concern that memory pricing and record margins are peaking, rather than any collapse in current demand.
- Management guided fiscal second-quarter revenue to $12.2–$12.6 billion and announced an 8-for-1 stock split effective in late November.
- Long-term supply agreements covering roughly half of fiscal 2027 bit output provide a measure of revenue visibility amid pricing uncertainty.
- For more detail on this ticker, explore its Price Targets, Earnings, and Forecast on dedicated analysis pages.
- Explore Trending AI Robots to see how automated trading strategies are positioned across the market.
SanDisk (SNDK) Company Overview and Market Position
SanDisk Corporation operates as a pure-play NAND flash memory manufacturer following its separation from Western Digital in February 2025. The firm designs and produces NAND flash and solid-state storage products, spanning enterprise SSDs, embedded flash for smartphones and PCs, and consumer memory cards and USB drives. Revenue breaks down across three segments: data center, edge, and consumer.
The company competes in a consolidated and highly cyclical memory sector against Samsung, SK Hynix, Kioxia, and Micron. I find it useful to track SNDK closely because it serves as a bellwether for NAND pricing trends and the growing demand for high-density flash tied to AI workloads in data centers. I also checked this using Tickeron’s AI Screener to see how the stock compares to others in the industry.
SanDisk (SNDK) Stock Price Performance: Last 30 Days vs. Quarter
Over the last 30 days, SNDK declined approximately 37.5%, falling from a closing price near $1,720 in early October to roughly $1,075 by the start of November. The drop picked up pace in the final trading sessions of October, when the stock lost about 13.5% in a single session after Kioxia shared its cautious outlook.
The broader quarterly picture shows more volatility. Around three months ago the stock traded near $1,258 before rallying to an intra-quarter peak near $1,887 in late September and then reversing. From that early-August level the shares are down roughly 15% for the quarter, yet they sit about 43% below the late-September high, which highlights how quickly sentiment around memory pricing can shift.
What Drove SNDK Stock Price in the Last 30 Days
SanDisk’s fiscal first-quarter report, released October 29, looked strong on most metrics. Revenue climbed 378% year over year to $11.03 billion, adjusted earnings per share reached $49.51 against a roughly $46.67 consensus, and adjusted gross margin hit 85.1%. Data center revenue jumped 61% sequentially to $4.8 billion, while consumer revenue fell 29% sequentially to $397 million as higher prices weighed on demand. The company also guided the fiscal second quarter above expectations and announced an 8-for-1 stock split.
Despite the beat-and-raise, the stock sold off. The decisive catalyst came from Kioxia, SanDisk’s manufacturing partner, which reported that NAND selling prices rose in the mid-20% range in its September quarter, down from roughly 70% the prior quarter, and guided to roughly flat prices ahead. For memory stocks the rate of price growth matters as much as the level itself, so the sharp deceleration outweighed SanDisk’s own results. Broader pressure from Intel, which cited memory costs in a weak PC outlook, added to the selloff across the chip sector. Analyst actions reflected the uncertainty, with several firms trimming price targets or ratings even as others maintained bullish views.
What Drove SNDK Stock Performance Over the Last Quarter
The quarterly story reflects an extraordinary rally followed by a sharp mean reversion. SanDisk benefited from a powerful NAND pricing upcycle driven by constrained supply and surging AI-related storage demand, which pushed data center revenue higher and lifted gross margins from below 30% a year earlier to above 85%. The stock joined the S&P 100 in September and at one point had gained more than 450% in 2026 and over 2,600% since its 2025 spinoff.
That momentum stalled as investors began pricing a memory peak. Long-term “new business model” agreements—roughly $93.9 billion in minimum contracted revenue covering about half of fiscal 2027 output and two-thirds of fiscal 2028—provide visibility, but the market has increasingly focused on whether pricing and margins can hold at cycle-high levels. The result has been a pronounced de-rating even as reported fundamentals remain strong.
SNDK Stock Forecast Drivers: What Investors Should Watch Next
Investors monitoring SNDK should focus on the trajectory of NAND pricing, since even modest shifts can have an outsized impact on near-record margins. The fiscal second-quarter report, expected in late January, will provide the next concrete read on whether pricing has stabilized or continued to decelerate. Other factors to watch include data center demand trends, the pace of industry capacity additions and any resulting oversupply risk, consumer demand elasticity at elevated prices, and the durability of long-term supply agreements. The 8-for-1 stock split, with split-adjusted trading expected to begin November 20, is a mechanical change that does not alter the company’s underlying value but may affect trading dynamics. These considerations are informational and are not intended as investment advice.
Using AI Tools in My Research
In my own work I often review Tickeron’s AI Trading Bots to see how automated strategies are positioned on names like this one. The platform highlights top-performing bots across different styles and timeframes, which helps me cross-check ideas generated from fundamental analysis before making any decisions. It serves as a useful complement rather than a replacement for traditional research.
Disclaimer
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SNDK sees MACD Histogram just turned negative
SNDK saw its Moving Average Convergence Divergence Histogram (MACD) turn negative on October 02, 2026. This is a bearish signal that suggests the stock could decline going forward. Tickeron's A.I.dvisor looked at 12 instances where the indicator turned negative. In 10 of the 12 cases the stock moved lower in the days that followed. This puts the odds of a downward move at 83%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 29, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on SNDK as a result. In 14 of 20 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 70%.
SNDK moved below its 50-day moving average on October 09, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for SNDK crossed bearishly below the 50-day moving average on October 15, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 1 of 2 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 50%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where SNDK declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 68%.
The Aroon Indicator for SNDK entered a downward trend on November 02, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Bullish Trend Analysis
The RSI Indicator entered the oversold zone -- be on the watch for SNDK's price rising or consolidating in the future. That's also the time to consider buying the stock or exploring call options.
The Stochastic Oscillator is in the oversold zone. Keep an eye out for a move up in the foreseeable future.
Following a +11.88% 3-day Advance, the price is estimated to grow further. Considering data from situations where SNDK advanced for three days, in 117 of 129 cases, the price rose further within the following month. The odds of a continued upward trend are 90%.
SNDK may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Fundamental Analysis (Ratings)
The Tickeron SMR rating for this company is 14 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Price Growth Rating for this company is 35 (best 1 - 100 worst), indicating steady price growth. SNDK’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 53 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 90, placing this stock slightly better than average.
The Tickeron Valuation Rating of 60 (best 1 - 100 worst) indicates that the company is fair valued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (10.003) is normal, around the industry mean (-6.624). P/E Ratio (13.822) is within average values for comparable stocks, (-3.277). Projected Growth (PEG Ratio) (0.000) is also within normal values, averaging (23.994). Dividend Yield (0.000) settles around the average of (0.012) among similar stocks. P/S Ratio (11.641) is also within normal values, averaging (51.774).
The Tickeron PE Growth Rating for this company is 74 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
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