In the portfolio
SNDK · Sandisk Corporation
Updated ·
Against its published line
Above its line on the last close.
How to read this
The red mark is the published kill line — the price that would prove the thesis wrong. The dot is where the name closed on 9 October 2026; a dot left of the mark has closed through its line.
Distance is drawn on a square-root scale, so close calls get the room. Past 8% a row reads well clear, with a hollow dot to show the figure is off the drawn scale. Rows run tightest first.
Kill line
A weekly close below $1400, which would extend the slide from the $2,335 52-week high and show the market rejecting the contracted-recovery case. Separately, fiscal Q1 2027 revenue below $10.3 billion or non-GAAP gross margin below 83% on 29 October 2026 would break the operating case.
Open pick High conviction, opened at $1,787.69. Since then −11.5% against the S&P 500's +1.9% (−13.4 pp). Kill line at open: $1,400.00 (weekly close); graded by at the latest.
In the portfolio Since : −7.2%. See the portfolio.
Catalyst (in 17 days)
How picks are graded →The thesis
Sandisk's recovery in AI storage is still backed by customer contracts and rising NAND flash prices, but the memory group now sells off even on record results. That makes the fiscal Q1 2027 report on 29 October 2026 the deciding event. The case holds if revenue reaches at least $10.3 billion and gross margin excluding specified items (non-GAAP) reaches at least 83%. Management set both floors on 5 August 2026. Sandisk fiscal Q4 results
Samsung Electronics added the newest data point on 8 October 2026. It guided September-quarter operating profit to 107.4 trillion won, about $80.2 billion and close to nine times the year-earlier level. That fell short of the 108.7 trillion won analysts expected. CNBC, 8 October 2026 Micron, SK Hynix and Sandisk fell together that day, Benzinga reported. Sandisk closed at $1,609.46 on 8 October 2026, based on adjusted daily closes. That is 31.1% below the $2,335 52-week high and 3.9% lower over three months.
The narrative is saturated: Benzinga's 2 October 2026 headline put the 2026 gain near 700%, and a record Samsung profit drew selling across the group on 8 October 2026. The shares no longer rise on industry news alone. Sandisk's own revenue, margin and December-quarter guidance on 29 October 2026 have to carry the case.
Bullish and bearish views on Sandisk Corporation
The bull case on Sandisk Corporation (SNDK), in brief: Contracts cover half of next year's bits. The bear case: Record results no longer lift the group.
Bull case
- Contracts cover half of next year's bits. On 13 August 2026, Sandisk announced agreements with eight customers covering about 50% of fiscal 2027 bits and two-thirds of fiscal 2028 bits, with minimum financial guarantees. Investor Day announcement
- December-quarter contract prices forecast higher. On 30 September 2026, TrendForce forecast NAND contract prices rising 15–20% quarter over quarter in the December quarter. It named enterprise solid-state drives (SSDs) as the only memory category where price growth speeds up. TrendForce, 30 September 2026
- Peers confirmed September-quarter strength. Micron reported fiscal Q4 2026 revenue of $54.23 billion on 30 September 2026, against $51.07 billion expected by analysts polled by LSEG. Citi said on 1 October 2026 that Micron's NAND prices rose about 30% against a consensus near 20%, and kept its Buy rating and $2,100 target on Sandisk. Investing.com
- Consensus sits above the company's floors. On 2 October 2026, StockAnalysis listed consensus fiscal Q1 revenue of $10.47 billion and earnings per share (EPS) of $43.12, with a forward price-to-earnings ratio of 8.04. StockAnalysis
- Analysts treat the drop as overdone. Mizuho raised its target to $2,050 from $1,875 on 6 October 2026. Cantor called the pullback driven by Toshiba hard-drive capacity a buying opportunity, Benzinga reported on 7 October 2026. MarketBeat's consensus target was $2,120.65 across 28 ratings on 6 October 2026. MarketBeat
Bear case
- Record results no longer lift the group. Samsung's 8 October 2026 profit guidance was a record yet below forecast, and memory shares fell in sync. A Sandisk print that only meets the floors could get the same reception.
- Spot NAND prices slipped. Tech Times reported on 7 October 2026 that TrendForce data showed 512-gigabit triple-level-cell (TLC) NAND wafer prices falling 2.9% in a week. Spot prices tend to move before contract prices.
- Hard-drive capacity is coming back. Nikkei reported on 1 October 2026 that Toshiba plans to roughly double hard-drive supply. Cheaper bulk storage could slow SSD adoption in data centers.
- Insider sales over 90 days totaled $121.2 million, according to Form 4 filings compiled by MarketBeat on 6 October 2026.
- Rates and oil weigh on the sector. TipRanks reported on 8 October 2026 that Brent crude rose above $104 a barrel and the 10-year Treasury yield stayed above 5.3%, alongside concern about the debt funding AI data centers.
Price setup
Sandisk closed at $1,609.46 on 8 October 2026, down from $1,660.46 on 6 October 2026, based on adjusted daily closes. Benzinga reported a 4% intraday gain on 7 October 2026 that did not hold. The 14-day relative strength index (RSI) stood at 36.7 on 8 October 2026, near the 30 level often read as oversold.
The shares are 31.1% below the $2,335 52-week high. A weekly close below $1,400 would show the decline extending ahead of the report instead of stabilising. Crowding signals are visible: a 2X leveraged single-stock fund trades on the name, Benzinga flagged large options trades in the shares on 7 October 2026 and 8 October 2026, and the report is three weeks away.
Catalysts, next 30 days
- ~27 October 2026 (est.) — SK Hynix September-quarter results. The last large memory read before Sandisk reports. Faster bit-supply growth would weigh on December-quarter prices.
- 29 October 2026 — Sandisk fiscal Q1 2027 results, call at 1:30 p.m. Pacific Time. Revenue of at least $10.3 billion and non-GAAP gross margin of at least 83% complete the operating case. Fiscal Q2 guidance against TrendForce's 15–20% price forecast is the second test. Sandisk, 29 September 2026
- ~29 October 2026 (est.) — Samsung Electronics full September-quarter results. Segment detail shows whether NAND margins and supply discipline are holding after the 8 October 2026 preliminary miss.
Elapsed catalysts
- Undated — Micron Taiwan labour dispute. Tech Times reported on 7 October 2026 that workers at two Micron Taiwan sites authorised a possible strike. A stoppage would tighten DRAM supply more than NAND. (passed 5d ago)
What would change the view
The operating case breaks if fiscal Q1 2027 revenue comes in below $10.3 billion or non-GAAP gross margin below 83% on 29 October 2026. Fiscal Q2 guidance that implies flat or falling NAND prices would also break it, because the contracts cover volume while pricing drives the margin.
Industry evidence could break it first. SK Hynix or Samsung guiding to bit-supply growth above demand, or TrendForce cutting its December-quarter contract-price forecast, would undercut the price path. A weekly close below $1,400 would show the market rejecting the contracted-recovery case before the numbers arrive.
What it trades with
Sandisk trades with Micron, SK Hynix and Samsung on industry pricing news. All four fell together on 8 October 2026. Western Digital, its former parent, still moves on Sandisk outlook news, and Seagate and Toshiba hard-drive headlines move the shares in the opposite direction. As an S&P 500 member, Sandisk also carries the index's sensitivity to Treasury yields and oil, which TipRanks cited on 8 October 2026.
Notes
- Spun out of Western Digital in February 2025; WDC still trades as a sympathy name on Sandisk outlook news.
- Fiscal year ends in early July; fiscal Q1 FY27 covers the September quarter and reports on 29 October 2026.
- A 2X-leveraged single-stock ETF (SNXX) trades on the name; its daily rebalancing can amplify intraday moves.
- Manufacturing capacity is shared with Kioxia through a joint venture whose framework runs through December 2034.
- S&P 500 constituent since late 2025, so passive and index flows amplify sector-level moves in the name.
- Analyst targets are widely dispersed: Wells Fargo was at $1,550 and Cantor at $2,900 on 14 August 2026, so a single target carries little information.
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