Citron released a report shorting SanDisk. Do you agree?

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Option Sir Breaks Down Hot Topics | Top Bears Smash Solidigm! Analyzing the 'Three Major Sins' in the Scathing Report: Logic Collapse or Temporary Boost?

In the 2026 US stock market, the storage industry is undoubtedly the brightest star on stage. Amidst the wave of artificial intelligence (AI) transitioning from training to the inference phase, demand for storage capacity has reached an unprecedented strategic height, transforming storage products from 'cost components' into 'strategic materials,' leading to an epic price surge in global storage products.

As a representative company in the pure flash memory sector, $SanDisk (SNDK.US)$ it achieved astonishing gains. As a company that just went public in February of last year, its annual increase for 2025 approached 580%, and within the first two months of 2026, it surged more than 160%, becoming the most eye-catching super bull stock in the entire market.

However, yesterday (February 24th) during trading hours, the well-known Wall Street short seller Citron Research announced in a high-profile manner that it was shorting Solidigm.This move caused significant market turbulence, with Solidigm's stock price plummeting nearly 8% at one point during the trading day, and closing down 4.2%.

Why did Citron decide to short the stock, and is its logic flawless? After the major shock, how should we view Solidigm's current position?

The Bear’s Weapon: Citron’s Core Logic

As one of the most influential short-selling institutions on Wall Street, Citron's previous successful campaigns against targets such as Evergrande and Valeant have become well-known. This latest campaign focuses on three main aspects:

(1) Return of the cycle

The core of Citron's short-selling statement this time is a fundamental challenge to the valuation logic of SanDisk. Citron believes thatthe market is pricing a highly cyclical NAND storage company as if it were a long-term AI core asset with a strong moat, which represents a serious mismatch.。The market is pricing SanDisk as if it were$NVIDIA (NVDA.US)$a product. But the problem is that NVIDIA has a moat, while$SanDisk (SNDK.US)$sells only commodities.

Source: Citron Research

History has repeatedly proven that the commodities industry cannot escapethe cycle of 'high profits attracting expansion → overcapacity → price collapse'.of cyclical fluctuations. Citron cited similar situations in 2008, 2012, and 2018, warning that there is currently capacity equivalent to double the peak levels of 2018 ready to be unleashed, meaning the current supply shortage could reverse within 'a single earnings call.'

In Citron's narrative, the demand brought by AI is real, but it cannot alter the physical properties of memory chips as commodities or the profit-driven expansion behaviors of industry players; thus, 'this time is different' remains the most expensive phrase in the capital markets.

(2) Entry of giants

Citron also mentioned Samsung, a major player in the memory industry, $CSOP Samsung Electronics Daily (2x) Leveraged Product (07747.HK)$ likening it to an '800-pound gorilla,' noting its three-decade-long strategy of prioritizing market share over short-term profits. Samsung often waits until competitors like SanDisk become complacent with high gross margins (e.g., 50%) before launching aggressive attacks through massive production expansions and price cuts.

(3) Smart money exits

SanDisk’s long-term strategic investor and former parent company, $Western Digital (WDC.US)$recently sold a large portion of its SanDisk shares at a price approximately 25% below the market value.Citron believes that as insiders with the deepest understanding of industry cycles, Western Digital’s move clearly indicates they 'know the cycle is nearing its peak' and are retreating ahead of time.

Is this really the case?

After reading Citron’s 'manifesto,' many investors might break out in a cold sweat. It paints a picture of prosperity on the brink of decline: SanDisk is at the peak of a false boom created by temporary bottlenecks, and its high profitability will immediately trigger a fatal price war from giant Samsung. The insiders’ withdrawal has already sounded the alarm for an impending turning point. The market's valuation of SanDisk as an 'AI darling' is, in Citron's view, precisely the sign that this game of musical chairs is about to end.

But after examining the company's data and industry landscape, the facts may not be so.

Let’s first look at the weakest part of the accusation — Western Digital’s reduction in holdings.This is because Western Digital had committed to divesting all SanDisk shares by February 2026 (the one-year anniversary of the spin-off) when it spun off SanDisk in early 2025. Otherwise, it would face high tax costs. This reduction was actually fulfilling that commitment, rather than an active retreat based on cycle judgment.

Additionally, $Western Digital (WDC.US)$The price for the reduction was set between $535 and $555 per share.The claim of a ‘25% discount’ matches SanDisk’s historical high of $725, but when Western Digital proposed this deal, the discount relative to the current price was 9.4%, which is not considered excessive for a block trade.

Source: Yahoo Finance.

Western Digital’s reduction in holdings received widespread media coverage by mid-February, which significantly weakened the credibility of Citron’s argument that 'smart money is fleeing.'

From a competitive landscape perspective, profound structural changes are taking place within the industry, which contradicts Citron’s concern about ‘comprehensive oversupply.’ The expansion of production capacity is not happening across the board; giants like Samsung and SK Hynix...$CSOP SK Hynix Daily (2x) Leveraged Product (07709.HK)$ 、 $Micron Technology (MU.US)$have continued their investments in the HBM sector. During the Spring Festival, Jensen Huang even personally hosted a dinner for SK Hynix engineers to push forward HBM progress.

We elaborated on the changing dynamics between HBM and NAND in the memory industry in our analysis of SanDisk at the end of last year. Due to resources being diverted towards HBM and manufacturers exercising discipline, supply cannot respond quickly in sync, leading to the NAND market transitioning from cyclical fluctuations into a new phase of structural shortage. Interested fellow investors can revisit that analysis~

The Top Stock of 2025's Ten Biggest Surging Stocks! What's So Magical About SanDisk? What’s Next?

SanDisk's market share in NAND has never been particularly high, but because it is more 'pure' (more focused on NAND), it has garnered the highest attention from the capital markets. Currently, several leading integrated storage giants are still preoccupied with HBM, which has higher gross margins, and are aggressively pushing toward the latest generation of high-performance HBM 4.

As for whether the core cycle is returning, it must first be acknowledged that each cycle has different driving factors.In previous cycles, growth was driven by PCs and smartphones, while the core engine of this cycle is the explosive growth of AI training and inference.High price increases mean high profits, and historically, high profits have often acted as a catalyst for capacity expansion.

However, there are currently no signs of significant expansion within the industry. The current memory market is experiencing a structural shortage triggered by real AI demand, and its intensity and duration may far exceed traditional cycle models.The Citron Report highlighted the risks of a cyclical downturn and the possibility of overvaluation but may have underestimated the depth and length of this industrial transformation.

After the earnings report was released at the end of January, $SanDisk (SNDK.US)$ management stated during the conference call that the NAND market will remain in short supply until the end of 2026，and will likely continue into 2027. All products across all end markets are in an 'allocation state'.At the same time, SanDisk is in talks with hyperscale customers for long-term supply agreements (LTA) spanning quarters or even multiple years to enhance earnings stability.

While industry tailwinds are indeed strong, for SanDisk to completely shed the label of a 'cyclical stock,' it needs to closely monitor the sustainability of AI-driven demand intensity (e.g., hyperscale capital expenditure guidance), as well as the adherence to capacity discipline within the memory industry (especially post-2027 capital expenditure plans). Additionally, it’s important to note that due to SanDisk's more focused business operations, its share price will be more sensitive to fluctuations in pricing cycles.

Technical Analysis & Options Strategy

From a technical perspective, $SanDisk (SNDK.US)$ Currently in an adjustment phase following short-term technical overbought conditions. After a significant rally from late January to early February, the stock hit a record high of $725 on February 3, followed by sharp volatility and pullbacks. Technical indicators have signaled 'overbought' warnings.There is short-term profit-taking pressure, but the medium- and long-term moving average systems remain in a bullish alignment, indicating that the upward trend has not been disrupted.

The key short-term support level is around $600 (20-day moving average / middle Bollinger Band). If the overall bullish trend persists in the medium term, this pullback can be viewed as a technical correction to the previous rapid rise. Should the price stabilize at key support levels accompanied by moderate volume expansion, there remains potential for another upward move in the future.

From the options market perspective, SanDisk's current implied volatility (IV) stands at a staggering 110.94%, placing IV at the 87th percentile of its highest levels over the past year. The recent Put/Call Ratio has fluctuated between 0.6 and 0.9, showing no extreme values indicative of excessive pessimism or optimism, suggesting a relatively balanced tug-of-war between bulls and bears in the options market.

SanDisk is currently in a complex situation characterized by 'short-term overbought pullback, long-term upward trend, and extremely high implied volatility,' making directional trades through outright purchases of call or put options highly risky.A more suitable approach would involve using combination strategies or cash-secured tactics to navigate the heightened volatility while mitigating one-sided risks.

(1) Opportunistic Positioning: Cash-Secured Put

This strategy is constructed by selling an out-of-the-money put option while reserving sufficient cash to purchase the stock if exercised. The core idea is to collect the premium and be willing to buy the stock at the target price. In a high volatility environment, selling puts can generate relatively substantial premiums.

For example, you may consider selling a put option near the short-term support level of $600. If the stock price is above $600 when the option expires, the option will expire worthless, and you pocket the premium. However, if the stock price plunges, you are obligated to buy 100 shares of SanDisk at $600 per share, so it’s necessary to maintain enough cash in your account to mitigate risks.

(The design images displayed on screen are for illustrative purposes only and do not constitute any investment advice or guarantees; market conditions fluctuate frequently, and the option prices shown do not represent real-world values.)

(2) Mildly Bullish: Bull Call Spread

This involves buying a call option with a lower strike price while simultaneously selling a call option with a higher strike price. In a high volatility environment, the income generated from selling the option significantly lowers the initial cost of entry. This strategy is suitable for scenarios where SanDisk is unlikely to fall below key support levels in the short term but may experience a mild rebound without enough momentum to break through previous highs ($725).

Citron's short-selling of SanDisk represents a classic clash between the 'cyclical argument' and the 'growth narrative.' Between the eternal cycle of storage and the new dawn brought by AI, the trajectory of SanDisk's stock ultimately depends on the outcome of the race between supply and demand, as well as the company's own wisdom and ability to navigate through cycles.

Before the truth becomes clear, the market will remain in prolonged, intense fluctuations between 'narrative versus fact' and 'cycle versus growth.' Navigating this environment, options are not a tool to predict storms but rather a means to craft a vessel better suited to withstand them. True positioning begins with acknowledging uncertainty and succeeds through respecting and effectively utilizing tools.

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Disclaimer

This content does not constitute any offer, solicitation, recommendation, opinion, or guarantee of any securities, financial products, or tools. The risk of loss in buying and selling options can be substantial. In some cases, your losses may exceed the initial margin amount deposited. Even if you set contingent orders, such as 'stop-loss' or 'limit' orders, these may not necessarily prevent losses. Market conditions may make these orders unexecutable. You might be required to deposit additional margin within a short period. If you fail to provide the required amount within the specified time, your open positions may be liquidated. However, you will still be responsible for any account deficit arising from this. Therefore, before trading, you should study and understand options and carefully consider whether such trading suits you based on your financial situation and investment objectives. If you trade options, you should be familiar with the procedures upon exercising options and at expiration, as well as your rights and obligations when exercising options and at expiration.

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