AIUP4.550%
as of Sep 2
WDC
GrowthWESTERN DIGITAL CORP
Western Digital Corporation develops, manufactures, and sells data storage devices and solutions based on hard disk drive (HDD) technology in the United States, Asia, Europe, the Middle East, and Africa. The company offers internal HDDs, data center drives, data center platforms, external drives, portable drives, NAS for home and office, and accessories. It sells its data storage devices and solutions through its computer manufacturers, sales personnel, dealers, distributors, and retailers.
Close · 3M
+9.30%
Held by 4 AI ETFs
Signal performance
Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.
Buy signals17
Win rate6% (1/17)
Avg buy return-8.56%
AIUP · Weight decrease · 4d
weight 4.830% → 4.530% (-0.300 pp)·stock down 14.6% in the 30 days before
Sep 1·entry $450.44·now $441.57
-1.97%
since Sep 1
AIUP · Weight decrease · 3d
weight 4.830% → 4.610% (-0.220 pp)·stock down 17.3% in the 30 days before
Aug 31·entry $450.55·now $441.57
-1.99%
since Aug 31
AIUP · Accumulation · 5d
weight 4.170% → 4.700% (+0.530 pp)·stock down 13.8% in the 30 days before
Aug 28·entry $459.45·now $441.57Fresh
-3.89%
since Aug 28
AIUP · Accumulation · 5d
weight 4.410% → 4.720% (+0.310 pp)·stock down 0.0% in the 30 days before
Aug 27·entry $462.00·now $441.57Fresh
-4.42%
since Aug 27
AIUP · Accumulation · 5d
weight 4.630% → 4.830% (+0.200 pp)·stock up 1.2% in the 30 days before
Aug 26·entry $468.88·now $441.57Fresh
-5.82%
since Aug 26
AIUP · Weight increase · 4d
weight 4.170% → 4.690% (+0.520 pp)·stock down 9.5% in the 30 days before
Aug 25·entry $450.75·now $441.57Fresh
-2.04%
since Aug 25
AIUP · Weight increase · 3d
weight 4.170% → 4.590% (+0.420 pp)·stock down 16.2% in the 30 days before
Aug 24·entry $435.38·now $441.57Fresh
+1.42%
since Aug 24
AIUP · Weight increase · 2d
weight 4.170% → 4.540% (+0.370 pp)·stock down 17.7% in the 30 days before
Aug 21·entry $459.44·now $441.57Fresh
-3.89%
since Aug 21
-4.44%
since Aug 19
-11.00%
since Aug 18
AMOM · Weight increase · 2d
weight 2.280% → 2.410% (+0.130 pp)·stock up 1.2% in the 30 days before
Aug 26·entry $468.88·now $441.57Fresh
-5.82%
since Aug 26
AMOM · Weight decrease · 2d
weight 2.420% → 2.280% (-0.140 pp)·stock down 16.2% in the 30 days before
Aug 24·entry $435.38·now $441.57
+1.42%
since Aug 24
AMOM · Accumulation · 5d
weight 2.250% → 2.420% (+0.170 pp)·stock down 15.7% in the 30 days before
Aug 20·entry $469.05·now $441.57Fresh
-5.86%
since Aug 20
AMOM · Weight decrease · 2d
weight 2.630% → 2.360% (-0.270 pp)·stock down 15.7% in the 30 days before
Aug 19·entry $462.09·now $441.57
-4.44%
since Aug 19
-11.00%
since Aug 18
-17.62%
since Aug 17
AIVL · Weight decrease · 4d
weight 0.638% → 0.391% (-0.247 pp)·stock down 18.2% in the 30 days before
Sep 2·entry $448.90·now $441.57
-1.63%
since Sep 2
AIVL · Weight decrease · 3d
weight 0.638% → 0.621% (-0.017 pp)·stock down 17.3% in the 30 days before
Aug 31·entry $450.55·now $441.57
-1.99%
since Aug 31
AIVL · Weight decrease · 2d
weight 0.638% → 0.628% (-0.011 pp)·stock down 13.8% in the 30 days before
Aug 28·entry $459.45·now $441.57
-3.89%
since Aug 28
AIVL · Weight increase · 2d
weight 0.596% → 0.638% (+0.042 pp)·stock up 1.2% in the 30 days before
Aug 26·entry $468.88·now $441.57Fresh
-5.82%
since Aug 26
AIVL · Weight decrease · 2d
weight 0.643% → 0.596% (-0.047 pp)·stock down 16.2% in the 30 days before
Aug 24·entry $435.38·now $441.57
+1.42%
since Aug 24
AIVL · Accumulation · 5d
weight 0.599% → 0.643% (+0.045 pp)·stock down 15.7% in the 30 days before
Aug 20·entry $469.05·now $441.57Fresh
-5.86%
since Aug 20
-4.44%
since Aug 19
-11.00%
since Aug 18
-17.62%
since Aug 17
Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.
Buffett-style framework
Too hard to callas of Aug 16
AI ETFs are exhibiting mixed signals on Western Digital, with some increasing their weight while others have recently decreased or exited their positions. This active trading and lack of consistent conviction by AI ETFs contrasts sharply with a Buffett-style framework's 'Too Hard' verdict, which suggests avoiding the company altogether due to its unpredictable nature rather than attempting to profit from its volatility.
- Circle of CompetenceThe storage industry, characterized by rapid technological cycles, intense competition, and high capital expenditure requirements, makes ten-year cash flow projections for Western Digital genuinely unpredictable.
- Economic MoatThis stage is not evaluated as the company falls outside the circle of competence.
- ManagementThis stage is not evaluated as the company falls outside the circle of competence.
- Financial HealthThis stage is not evaluated as the company falls outside the circle of competence.
- Margin of SafetyThis stage is not evaluated as the company falls outside the circle of competence.
This analysis concludes that Western Digital falls outside the defined circle of competence for a value investor focusing on predictable earning power. The inherent cyclicality, rapid technological shifts, and capital-intensive nature of the storage industry prevent reliable long-term cash flow projections. Consequently, a Buffett-style approach would categorize WDC as 'Too Hard' to evaluate, advising against investment regardless of other financial metrics or market sentiment.
Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.