SanDisk (SNDK) shares have swung through three separate double-digit moves since late June, capping a run that has left the stock more volatile than most of the memory sector it trades alongside.

The most recent drop came on July 2, when SNDK fell 11% to $1,802 in midday trading during a broad memory-sector selloff that also hit Seagate Technology, down 7%, and Micron, down 4% Yahoo Finance. By session close that decline had extended to roughly 14%, with SanDisk finishing at $1,745 The Motley Fool. The stock has since partially recovered, rising $57.65, or 3.10%, to close near $1,920 CNN.

That July 2 rout followed an even sharper shock nine days earlier. On June 23, SanDisk plunged 11% and Western Digital and Micron each slid roughly 10% in the same session, after South Korea's KOSPI index crashed 10% on sharp declines in Samsung and other Korean chipmakers 24/7 Wall St.. The Korean crash transmitted directly into US-listed NAND and DRAM names given the tight correlation between Samsung's memory pricing signals and the rest of the global supply chain.

The volatility has not been confined to selloffs. On July 9, SanDisk shares surged 7.6% as part of a broader chip-stock rally that pushed the Nasdaq to a sharply higher close Reuters. As of July 13, LSEG data cited by Reuters showed SanDisk shares expected to rise more than 30%, a projection that sits against a sector backdrop now complicated by SK Hynix's Seoul-listed shares tumbling more than 15% that same day — their steepest one-day fall in roughly two decades — as investors unwound positions following the company's Nasdaq debut Reuters.

None of this whipsaw action has dented sell-side conviction on SanDisk's fundamentals, at least on paper. Susquehanna raised its price target to $3,250, the most aggressive call among major brokerages tracked here Investing.com. Bank of America lifted its target to $2,100 from $1,550 following SanDisk investor-relations meetings at the bank's 2026 conference Yahoo Finance. Cantor Fitzgerald raised its target to $1,800 while maintaining an Overweight rating, and Goldman Sachs has weighed in as well following SanDisk's Q4 fiscal 2026 guidance of $7.75 billion to $8.25 billion in revenue and $30.00 to $33.00 in non-GAAP EPS TheStreet.

The gap between those targets and the trading price is not trivial. Even Bank of America's revised $2,100 target sits below where SanDisk was trading before the July 2 selloff on some measures, while Susquehanna's $3,250 implies upside well north of 70% from the post-selloff close near $1,920. That spread reflects a market still repricing NAND supply discipline and AI-driven demand assumptions in real time, faster than analyst models can be revised.

The current volatility is not without precedent this year. SanDisk shares surged 14.7% to $616.5 on January 30 after the company issued a blowout forecast tied to robust AI demand Reuters. The stock has appreciated roughly threefold since then even after accounting for the recent drawdowns, underscoring how compressed the NAND cycle's upswing has been relative to prior cycles.

What is happening here is less a single-company story than a memory-sector repricing event with SanDisk as the most reactive proxy. NAND and DRAM pricing power has tightened sharply as AI infrastructure buildouts absorb capacity, and that has made memory names trade with something closer to beta than fundamentals on any given day. The KOSPI-driven selloff in June showed how quickly sentiment in Seoul can override company-specific guidance in New York trading. The SK Hynix unwind on July 13, coming right after its Nasdaq listing, adds a fresh source of cross-market contagion risk that traders will need to watch alongside SanDisk's own supply commentary.

For desks pricing SanDisk options or building relative-value trades against Western Digital, Micron, and Seagate, the operative question is whether the current analyst targets — some implying 60%+ upside from spot — reflect durable NAND pricing power into fiscal 2027, or whether they are chasing a stock that has already moved through three distinct regime shifts in under six months. The guidance range itself, $7.75 billion to $8.25 billion in Q4 revenue, is wide enough to accommodate both outcomes, which is probably the point.