WDC · Western Digital
Conviction · Low · more likely to lag the S&P 500 over the next three months
Wrong if: a daily close above $396.42
Note written ·
Price against the kill line
25.4% clear of its kill line on the 13 November 2026 close.
How to read this
This note expects the shares to lag the market, so its kill line sits above the price: a close above the red mark would prove the view wrong. Prices run from low on the left to high on the right. The dot is where the stock closed on 13 November 2026, left of the mark while it is below the line; a dot right of the mark has closed through it.
The scale is stretched near the line, so close calls are easy to see. More than 8% from the line, the stock reads well clear, with a hollow dot to show the figure is off the drawn scale.
The kill line is the research note's own test. The portfolio sells on business facts, not on a price. How the portfolio decides
Three months against the kill line
Daily closes, to . Red: the kill line, a daily close above $396.42, on record since 11 November 2026. The shares are down 44.8% since the close; the S&P 500 is down 2.1% over the same sessions. Figures in the note can cover a different window.
Kill line
A daily close above $396.42, the 28 October 2026 close, would show the shares leading the S&P 500 and prove this call wrong. Fiscal Q2 2027 revenue above the $5.2 billion top of the guide would also prove it wrong.
Research onlyNot in the portfolio.
Catalyst
Key figures from the filings · Technology
Quarter to 2 October 2026, filed 23 October 2026; valuation at the 13 November 2026 close
- Revenue, latest quarter ($M)
- 4,381
- Revenue, change on a year (%)
- +55.5
- Gross margin (%)
- 57.8
- Operating margin (%)
- 46.7
- Free cash flow, four quarters ($M)
- 4,289
- Net cash, cash less debt ($M)
- 527
- Price to earnings (×)
- 11.0
- Enterprise value to sales (×)
- 7.6
All filed numbers
What Western Digital reports to the SEC in its quarterly and annual filings. Each group states its period and filing date once; a figure dated otherwise says so. Built from the filings known on .
| Quarter to | Revenue ($M) | On a year (%) | Gross margin (%) | Operating margin (%) |
|---|---|---|---|---|
| first filed | 4,381 | +55.5 | 57.8 | 46.7 |
| first filed | 3,747 | +43.8 | 54.1 | 41.7 |
| first filed | 3,337 | +45.5 | 50.2 | 35.7 |
| first filed | 3,017 | +25.2 | 45.7 | 30.1 |
| first filed | 2,818 | +27.4 | 43.5 | 28.1 |
| first filed | 2,605 | +30.0 | 41.0 | 26.1 |
| Pre-tax income ($M) | 2,038 |
| Net income ($M) four quarters: 10,021 | 1,779 |
| Diluted shares, change on a year (%) against the quarter to 3 October 2025 | +2.1 |
| Operating cash flow ($M) | 4,861 |
| Capital spending ($M) | 572 |
| Free cash flow ($M) | 4,289 |
| Cash and short-term investments ($M) | 1,314 |
| Debt ($M) at 3 July 2026, filed 14 August 2026; long-term debt | 1,052 |
| Net cash, cash less debt ($M) at 3 July 2026, filed 23 October 2026 | 527 |
| Deferred revenue ($M) | Not reported |
| Backlog, orders not yet delivered ($M) | Not reported |
| Receivables ($M) | 2,232 |
| Inventory ($M) | 1,781 |
| Shareholders' equity ($M) | 9,348 |
| Market value ($M) | 110,669 |
| Enterprise value, market value plus net debt ($M) | 110,142 |
| Enterprise value to sales (×) | 7.6 |
| Enterprise value to operating income (×) | 19.3 |
| Price to earnings (×) | 11.0 |
| Price to book value (×) | 11.8 |
| Free-cash-flow yield (%) | 3.9 |
Short interest (FINRA, settled 15 October 2026, published 26 October 2026): 5.2% of shares outstanding sold short, 1.9 days of average trading to cover, +6.3% since the previous report.
| Window | Bought | Sold |
|---|---|---|
| 90 daysfrom | $0 | $6.5M |
| 12 monthsfrom | $0 | $72.2M |
The thesis
Western Digital is more likely to lag the S&P 500 than lead it over the next three months. Fears of curbs on AI data-center construction still outweigh a December-quarter guide well above estimates. Nvidia's report on 17 November 2026 and Western Digital's own results in late January 2027 settle whether the $5.0–5.2 billion revenue guide can lift the shares again.
The shares closed at $313.31 on 11 November 2026, up from $289.20 the session before. That was the day Micron and SanDisk rallied after CoreWeave's chief executive said AI demand outpaces the world's capacity, according to a 11 November 2026 news headline. The close is still below the $323.83 close of 4 November 2026, the last session before the election-day fall. It is also far below both the 50-day and 200-day moving averages.
The rating is Low because the rally since the $263.78 close of 6 November 2026 has come from headlines about the whole group. No new company number drove it. The 22 October 2026 guide is still the latest revenue figure, and no cut has been reported. The open question is data-center construction in 2027, and no Western Digital result can answer it before late January.
The price reflects a slower 2027 build-out. On 11 November 2026 the shares closed 60.8% below the 52-week intraday high of $799.87 set on 18 June 2026. The company had guided December-quarter revenue to $5.1 billion on 22 October 2026, against a $4.566 billion consensus (Benzinga).
Bullish and bearish views on Western Digital Corporation
The bull case on Western Digital Corporation (WDC), in brief: the December-quarter guide reset estimates higher. The bear case: politics now threatens the demand story.
Bull case
- The December-quarter guide reset estimates higher. On 22 October 2026 Western Digital guided revenue of $5.1 billion, plus or minus $100 million, adjusted gross margin of 60–61% and adjusted earnings per share (EPS) of $5.80, plus or minus $0.20. Consensus had been $4.566 billion and $4.79 (Benzinga).
- Margins keep expanding on price. September-quarter revenue was $4.38 billion, up 55.5% year over year, against a $4.14 billion estimate. Adjusted EPS was $4.64 against $4.11 (MarketBeat, 8 November 2026). Adjusted gross margin was 58.1%, up from 43.9% a year earlier, and blended price per terabyte rose 28% year over year (company release and call, 22 October 2026).
- Next-generation drives remain on schedule. On 3 November 2026 Western Digital said it is on track to complete qualification of its first heat-assisted magnetic recording (HAMR) drive with two hyperscale customers in early 2027 (fiscal.ai).
- Demand comments turned positive again. On 11 November 2026 memory shares rallied after CoreWeave's chief executive said AI demand outpaces the world's capacity. Western Digital closed at $313.31 that day.
- Cloud spending was still rising in October. Alphabet reported $51.4 billion of quarterly capital spending, up from $24.0 billion a year earlier, and said 2027 spending would "increase significantly" (Motley Fool, 28 October 2026).
- Hard-drive supply is held back. Chief Executive Irving Tan said on 22 October 2026 that Western Digital is "committed to not investing in any incremental unit capacity" (Benzinga, 26 October 2026). Seagate said on 27 October 2026 that most nearline supply is under long-term agreements through calendar 2028.
- Analysts' targets sit far above the share price. MarketBeat's 8 November 2026 consensus is "Moderate Buy" from 28 analysts: 21 buy, 5 hold and 2 strong-buy ratings. The average 12-month target is $591.04.
Bear case
- Politics now threatens the demand story. After the 3 November 2026 elections, NBC News named Texas, Ohio, Michigan and Georgia as major data-center markets of particular concern. Simply Wall St said on 6 November 2026 that slower approvals could delay the ramp of high-capacity drives, including future HAMR products.
- Good results have stopped lifting the shares. Western Digital, Seagate and SanDisk all beat estimates between 22 October 2026 and 30 October 2026, and each stock fell after its report. The 6 November 2026 rebound faded to a lower close of $263.78.
- Targets are coming down after the report. MarketBeat reports that Cantor Fitzgerald cut its target to $625 from $900 on 23 October 2026. Benzinga reports that, in the week of 23 October 2026, Argus cut to $500 from $600 and Rosenblatt cut to $650 from $800.
- Money is leaving the memory trade. On 7 November 2026 Benzinga reported that outflows from a DRAM-focused exchange-traded fund were speeding up, even after strong Micron, SanDisk and Samsung earnings.
- Insiders sold into the October rally. Director Martin Cole sold 4,000 shares at an average $395.47 on 29 October 2026. Chief Legal Officer Cynthia Tregillis sold 807 shares at $380.00 on 21 October 2026. Both sales ran under Rule 10b5-1 plans (SEC Form 4 filings).
Price setup
On adjusted daily closes, the shares closed at $313.31 on 11 November 2026 and are down 35.7% over three months. Quoted closes trace the fall and the partial recovery. The shares closed at $323.83 on 4 November 2026 and $267.63 on 5 November 2026. They reached a low close of $263.78 on 6 November 2026, then closed at $289.78 on 9 November 2026, $289.20 on 10 November 2026 and $313.31 on 11 November 2026.
As of the 11 November 2026 close, the 50-day moving average is $397.38 and the 200-day is $421.58. The shares trade far below both. The 50-day average sits under the 200-day, so the longer trend still points down.
The range runs from a 52-week closing low of $139.19 on 21 November 2025 to a 52-week intraday high of $799.87 on 18 June 2026. A return to the $323.83 pre-election close would only recover the 5 November 2026 fall. The late-October closes near $396 are the level where the shares would show they had recovered the whole slide. They also sit just under the 50-day average.
Catalysts ahead
- 17 November 2026: Nvidia fiscal Q3 2027 report, confirmed in Nvidia's 28 October 2026 release. It is the main read on AI spending in the next 30 days. Any comment on data-center timing bears directly on the post-election fears now driving storage shares.
- late January 2027 (est.): Western Digital fiscal Q2 2027 results. It tests revenue against the $5.0–5.2 billion guide and adjusted gross margin against the 60–61% guide. It is the first company result after the 5 November 2026 selloff.
- early 2027 (est.): Completion of first-generation HAMR qualification with two hyperscale customers. It shows whether Western Digital's next-generation drives reach large customers on the schedule the company restated on 3 November 2026.
What would change the view
A daily close above $396.42, the 28 October 2026 close, would show the shares leading the S&P 500 and prove this call wrong. Fiscal Q2 2027 revenue above the $5.2 billion top of the guide would also prove it wrong.
What it trades with
Western Digital trades with Seagate, SanDisk and Micron. NBC News reported that on 5 November 2026 Western Digital fell 17%, SanDisk 22%, Micron 17% and Seagate 16%. The S&P 500 fell 4.4% that day, and the Philadelphia semiconductor index fell 12.3%, its worst day since March 2020. The 11 November 2026 rally, led by Micron and SanDisk on CoreWeave's demand comments, moved Western Digital with them. Since the SanDisk separation, revenue comes only from hard drives. Memory-chip pricing news therefore reaches the shares more through this peer correlation than through the business. Nvidia's report and spending comments from the large cloud providers move the whole group together.
The evidence, claim by claim (8)
- Fiscal Q2 2027 guidance: revenue $5.1 billion plus or minus $100 million, adjusted gross margin 60-61%, adjusted EPS $5.80 plus or minus $0.20, against consensus of $4.566 billion revenue and $4.79 EPS. Western Digital fiscal Q1 2027 results release; Benzinga 22 October 2026 · as of
- Fiscal Q1 2027 revenue was $4.38 billion, up 55.5% year over year; adjusted gross margin was 58.1%, up from 43.9%, and blended price per terabyte rose 28% year over year. Western Digital fiscal Q1 2027 results release and earnings call · as of
- Western Digital fell 17%, SanDisk 22%, Micron 17% and Seagate 16%, while the S&P 500 fell 4.4% and the Philadelphia semiconductor index fell 12.3%, its worst day since March 2020. NBC News 5 November 2026 · as of
- Western Digital said it is on track to complete first-generation HAMR qualification with two hyperscale customers in early 2027. fiscal.ai 3 November 2026 · as of
- Consensus rating is Moderate Buy from 28 analysts (21 buy, 5 hold, 2 strong buy) with an average 12-month target of $591.04. MarketBeat 8 November 2026 · as of
- Director Martin Cole sold 4,000 shares at $390.04-$401.47 (average $395.47) on 29 October 2026 under a Rule 10b5-1 plan. SEC Form 4 filed 30 October 2026 · as of
- Alphabet reported quarterly capital spending of $51.4 billion, up from $24.0 billion a year earlier, and said 2027 capex would increase significantly. Alphabet Q3 2026 results; Motley Fool 28 October 2026 · as of
- Outflows from a DRAM-focused exchange-traded fund were accelerating despite strong Micron, SanDisk and Samsung earnings. Benzinga 7 November 2026 · as of
Sources
- Stocks plunge as election outcome and AI worries crush tech shares · nbcnews.com ·
- Western Digital Corporation (NASDAQ:WDC) Stock Has Average Price Target of $591.04 · marketbeat.com ·
- Why Are Western Digital (WDC) Shares Falling On AI Data Center Policy Risk? · finance.yahoo.com ·
- Seagate, Western Digital, Vishay Intertechnology, Impinj, and Allegro MicroSystems shares plummet, what you need to know · stockstory.org ·
- Western Digital (WDC) Stock Forecast and Price Target 2026 $WDC · marketbeat.com
Related · shared themes
AMD
Advanced Micro Devices
Advanced Micro Devices is modestly more likely than not to beat the S&P 500: Helios AI racks and doubling server-processor sales back a $17…
AVGO
Broadcom
Broadcom's shares look modestly more likely to beat the S&P 500 over three months as Nvidia's CEO exit and Anthropic's near-priced IPO draw…
CBRS
Cerebras Systems
Cerebras Systems is modestly more likely to beat the S&P 500 over three months after guiding fourth-quarter core revenue to $310–330…
SNDK
Sandisk
Sandisk's shares look more likely to lag the S&P 500 as investors price a peak in NAND flash prices after October contract prices went…