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Western Digital Corporation WDC

TECHNOLOGY · COMPUTER HARDWARE
i

Market dataready · fetched 2026-10-30T19:23:03.046Z

Delta surfaceAlpaca · derived absolute-delta buckets · 2026-11-06

Calculation methodology

Options historyIV: ThetaData historical Greeks, equal-weight mean of call/put 50-delta IV across the next four listed Friday-cycle expirations, including holiday shifts verified against ThetaData’s market calendar. Missing inputs leave gaps. Skew and implied move: recorded expiration-specific observations.

History data

PriceAlpaca · sip · 2026-10-30T19:23:02.7210179Z

FundamentalsAlpha Vantage · ready · quarter 2026-09-30 · fetched 2026-10-30T19:23:03.022358+00:00

Research2026-08-31 · 3 entries · 19 trades · 0 option records · 6747 price bars

Share price$365.89
1D+0.2%
$361$365$369$374$3785:30 AM6:30 AM9:00 AM1:00 PMWDC
Sold putSold call

Western Digital Corporation options

Live interpolated WDC call and put midpoint premiums by absolute delta.Western Digital Corporation$2.63$14.78$26.92$39.07$51.22$314.49$340.98$367.47$393.95$420.4420Δ25Δ30Δ35Δ40Δ45Δ50Δ55Δ60Δ65Δ70Δ75Δ80ΔOPTION PRICELive WDC spot · $365.88WDC PRICE$3.94$5.08$6.76$8.38$9.84$11.94$14.37$16.99$19.39$22.95$24.47$28.02$31.74$5.00$6.38$8.07$10.15$12.70$14.94$17.60$19.93$23.40$27.49$31.97$36.17$47.71
PutsFair1.02×
CallsCheap0.85×
SkewBearish+7.09 pp
Implied moveBearish±$31.97
TiltBearish12.4% PUT
Table
Values and derived Greeks for the plotted delta buckets
DeltaCallsPuts
Pseudo strikeIVB/E movePseudo strikeIVB/E move
20Δ400.7673.1%10.6%334.4883.4%9.9%
25Δ393.0070.6%8.8%341.9579.7%8.3%
30Δ388.3673.8%8.0%347.8478.8%7.1%
35Δ382.9374.1%7.0%353.0779.8%6.3%
40Δ377.4072.1%5.8%358.0682.2%5.6%
45Δ372.8473.8%5.2%363.2781.2%4.8%
50Δ368.1675.7%4.5%368.4281.1%4.1%
55Δ363.3377.2%3.9%373.3878.7%3.4%
60Δ358.4576.2%3.3%378.7179.6%2.9%
65Δ353.1978.7%2.8%384.6180.5%2.4%
70Δ349.0772.7%2.1%390.7880.9%1.9%
75Δ343.9172.5%1.7%396.6779.2%1.5%
80Δ338.6371.2%1.2%409.1788.7%1.2%

20Δ

Calls
Pseudo strike
400.76
IV
73.1%
B/E move
10.6%
Puts
Pseudo strike
334.48
IV
83.4%
B/E move
9.9%

25Δ

Calls
Pseudo strike
393.00
IV
70.6%
B/E move
8.8%
Puts
Pseudo strike
341.95
IV
79.7%
B/E move
8.3%

30Δ

Calls
Pseudo strike
388.36
IV
73.8%
B/E move
8.0%
Puts
Pseudo strike
347.84
IV
78.8%
B/E move
7.1%

35Δ

Calls
Pseudo strike
382.93
IV
74.1%
B/E move
7.0%
Puts
Pseudo strike
353.07
IV
79.8%
B/E move
6.3%

40Δ

Calls
Pseudo strike
377.40
IV
72.1%
B/E move
5.8%
Puts
Pseudo strike
358.06
IV
82.2%
B/E move
5.6%

45Δ

Calls
Pseudo strike
372.84
IV
73.8%
B/E move
5.2%
Puts
Pseudo strike
363.27
IV
81.2%
B/E move
4.8%

50Δ

Calls
Pseudo strike
368.16
IV
75.7%
B/E move
4.5%
Puts
Pseudo strike
368.42
IV
81.1%
B/E move
4.1%

55Δ

Calls
Pseudo strike
363.33
IV
77.2%
B/E move
3.9%
Puts
Pseudo strike
373.38
IV
78.7%
B/E move
3.4%

60Δ

Calls
Pseudo strike
358.45
IV
76.2%
B/E move
3.3%
Puts
Pseudo strike
378.71
IV
79.6%
B/E move
2.9%

65Δ

Calls
Pseudo strike
353.19
IV
78.7%
B/E move
2.8%
Puts
Pseudo strike
384.61
IV
80.5%
B/E move
2.4%

70Δ

Calls
Pseudo strike
349.07
IV
72.7%
B/E move
2.1%
Puts
Pseudo strike
390.78
IV
80.9%
B/E move
1.9%

75Δ

Calls
Pseudo strike
343.91
IV
72.5%
B/E move
1.7%
Puts
Pseudo strike
396.67
IV
79.2%
B/E move
1.5%

80Δ

Calls
Pseudo strike
338.63
IV
71.2%
B/E move
1.2%
Puts
Pseudo strike
409.17
IV
88.7%
B/E move
1.2%

Options history

WDC54.5297.65140.772026-08-03: 123.05%2026-08-04: 134.82%2026-08-05: 124.27%2026-08-06: 90.20%2026-08-07: 78.66%2026-08-10: 82.80%2026-08-11: 78.94%2026-08-12: 75.15%2026-08-13: 77.58%2026-08-14: 72.12%2026-08-17: 79.32%2026-08-18: 79.45%2026-08-19: 77.21%2026-08-20: 72.51%2026-08-21: 68.10%2026-08-24: 74.15%2026-08-25: 74.03%2026-08-26: 75.69%2026-08-27: 74.43%2026-08-28: 63.58%2026-08-31: 65.31%2026-09-01: 69.39%2026-09-02: 69.15%2026-09-03: 65.80%2026-09-04: 67.97%2026-09-08: 77.35%2026-09-09: 71.91%2026-09-10: 67.01%2026-09-11: 61.91%2026-09-14: 67.31%2026-09-15: 68.60%2026-09-16: 65.43%2026-09-17: 64.73%2026-09-18: 64.33%2026-09-21: 68.92%2026-09-22: 74.36%2026-09-23: 71.95%2026-09-24: 68.78%2026-09-25: 65.61%2026-09-28: 71.36%2026-09-29: 72.69%2026-09-30: 74.84%2026-10-01: 67.98%2026-10-02: 62.48%2026-10-05: 63.74%2026-10-06: 60.93%2026-10-07: 60.47%2026-10-08: 63.99%2026-10-09: 60.92%2026-10-12: 63.36%2026-10-13: 69.00%2026-10-14: 74.90%2026-10-15: 79.48%2026-10-16: 83.02%2026-10-19: 84.21%2026-10-20: 86.54%2026-10-21: 93.83%2026-10-22: 108.58%2026-10-23: 69.18%Aug 3Oct 23
Table
DateIV
123.05%
134.82%
124.27%
90.20%
78.66%
82.80%
78.94%
75.15%
77.58%
72.12%
79.32%
79.45%
77.21%
72.51%
68.10%
74.15%
74.03%
75.69%
74.43%
63.58%
65.31%
69.39%
69.15%
65.80%
67.97%
77.35%
71.91%
67.01%
61.91%
67.31%
68.60%
65.43%
64.73%
64.33%
68.92%
74.36%
71.95%
68.78%
65.61%
71.36%
72.69%
74.84%
67.98%
62.48%
63.74%
60.93%
60.47%
63.99%
60.92%
63.36%
69.00%
74.90%
79.48%
83.02%
84.21%
86.54%
93.83%
108.58%
69.18%

Company coverage

Moat

Moderate

Enterprise HDDs are ~7x cheaper than equivalent SSDs, making them the only viable option for exascale AI data center storage. 48% of Nearline exabyte market, 62.83% HDD share (vs. Seagate's 37.17%). Deep patent portfolios in magnetic recording. Adva…

Physical assets

Strong

Post flash spin-off (February 2025), focused exclusively on HDD manufacturing in Thailand, Malaysia, and China. Facilities recognized by WEF Global Lighthouse Network. Fully booked through 2026. Capital-intensive, specialized, and difficult to repli…

Software / hardware

Software20%
Hardware80%

Growth. HAMR technology production ramp captures exascale AI data center storage demand where enterprise HDDs remain 7x cheaper per TB than SSDs. Primary assets. HDD manufacturing plants (Thailand, Malaysia, China), HAMR technology patents, 62.83% H…

Latest entries
  1. manual · sw-hw

    Growth. HAMR technology production ramp captures exascale AI data center storage demand where enterprise HDDs remain 7x cheaper per TB than SSDs. Primary assets. HDD manufacturing plants (Thailand, Malaysia, China), HAMR technolo…

  2. manual · physical-assets

    Post flash spin-off (February 2025), focused exclusively on HDD manufacturing in Thailand, Malaysia, and China. Facilities recognized by WEF Global Lighthouse Network. Fully booked through 2026. Capital-intensive, specialized, an…

  3. manual · moat

    Enterprise HDDs are ~7x cheaper than equivalent SSDs, making them the only viable option for exascale AI data center storage. 48% of Nearline exabyte market, 62.83% HDD share (vs. Seagate's 37.17%). Deep patent portfolios in magn…

Recent records
Action Type Relative size
SELL Equity +22%
SELL Equity +100%
SELL Equity +30%
SELL Equity +25%
SELL Equity +9%
BUY Equity +1%
BUY Equity +0%
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BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%
BUY Equity +0%

Notes

Full portfolio moat / asset analysis

Enterprise HDDs are ~7x cheaper than equivalent SSDs, making them the only viable option for exascale AI data center storage. 48% of Nearline exabyte market, 62.83% HDD share (vs. Seagate's 37.17%). Deep patent portfolios in magnetic recording. Advancing HAMR technology. However, the moat is cyclical (built on artificial supply constraints) and HDD demand i…

Full portfolio moat / asset analysis

Post flash spin-off (February 2025), focused exclusively on HDD manufacturing in Thailand, Malaysia, and China. Facilities recognized by WEF Global Lighthouse Network. Fully booked through 2026. Capital-intensive, specialized, and difficult to replicate quickly.