Compare StocksORCL vs WDC

Oracle Corporation (ORCL) vs Western Digital Corporation (WDC): Which Is the Better Buy in 2026?

As of 2026-08-03, ORCL is undervalued at $130, with a DCF intrinsic value of $404 and a margin of safety of 68%. WDC is undervalued at $545, with an intrinsic value of $145825765319 and a margin of safety of 100%. Of the two, WDC has the wider margin of safety.

ORCL
Oracle Corporation
$129.87
VS
WDC
Western Digital Corporation
$544.84

Rewards

ORCL
  • Gross margin of 65.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
  • Each dollar of retained earnings has created $3.80 of earning power — management is an exceptional capital allocator.
WDC
  • Free cash flow has grown at a 19.1% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • PEG ratio of 0.48 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
  • Net debt/EBITDA of -0.4x means the company holds more cash than debt — a net cash position.

Risks

ORCL
  • Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
  • High leverage (3.15x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • Net debt/EBITDA of 4.4x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.
WDC
  • Altman Z-Score of 1.30 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • 10 insider sales totaling $9.9M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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ORCL
WDC
Valuation
$-24.54B
Free Cash Flow
$2.08B
-6.56%
FCF Yield
N/A
22.28
Trailing P/E
32.57
11.93
Forward P/E
29.06
Quality & Moat
9.15%
ROIC
30.19%
53.38%
ROE
85.92%
65.82%
Gross Margin
45.43%
0.73
PEG Ratio
0.48
Balance Sheet Safety
3.15
Net Debt / Equity
Net cash
N/A
Interest Coverage
N/A
4.44
Net Debt / EBITDA
-0.39
1.54%
Dividend Yield
0.11%
ORCL: 4Ties: 1WDC: 6
ORCLWDC

Historical Fundamentals

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ORCL

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

WDC

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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ORCL
$3.51
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$25.08B
Δ Market Cap
+$87.99B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
WDC
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-665.0M
Δ Market Cap
+$148.423
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Discounted Cash Flow (DCF) Analysis

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ORCL
67.8% Margin of Safety
Price is 67.8% below estimated fair value
Current Price: $129.87
Fair Value: $403.51
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WDC
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $544.84
Fair Value: $145825765318.59
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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ORCL

Requires positive FCF to compute implied growth rate.

WDC

What growth rate is the market pricing in at $545?

-30.0%
Market-Implied Owner Earnings Growth
Standard FCF implies -30.0%

Economic Moat Score

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ORCL
67/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving reinvestment efficiency would strengthen the moat.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.
WDC
30/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though reinvestment efficiency shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.

Forensic Accounting

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ORCL
-2.58
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
WDC

Insufficient data for Beneish M-Score calculation (requires 2+ years).

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Ownership Breakdown

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ORCL
Insiders 40.5%Institutions 43.9%Retail & Other 15.6%
No. of Institutional Holders4,502
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
WDC
Insiders 0.6%Institutions 101.6%
No. of Institutional Holders2,207
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.

High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.

Insider Buying Activity

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ORCL
0
Buys (3M)
0
Buys (12M)
FAIRHEAD RONA ALISON
Director
$112,258
@ $233.87 · 2025-07-07
MOORMAN CHARLES W IV
Director
$947,913
@ $172.35 · 2025-02-12
Open market purchases · includes direct & indirect ownership · excludes option exercises
WDC
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

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ORCL
1
Sells (3M)
15
Sells (12M)
Total value (12M): $126.77M
HENLEY JEFFREY O
Officer and Director
$63.66M
@ $159.16 · 2026-06-24
LEVEY STUART A
Officer
$2.64M
@ $176.19 · 2026-04-16
MAGOUYRK CLAYTON M
Chief Executive Officer
$1.55M
@ $155.23 · 2026-02-09
KEHRING DOUGLAS A
Officer
$6.82M
@ $194.89 · 2026-01-15
HURA MARK
Officer
$2.95M
@ $196.89 · 2025-12-24
SELIGMAN NAOMI O
Director
$437,064
@ $196.61 · 2025-12-23
MAGOUYRK CLAYTON M
Chief Executive Officer
$1.93M
@ $192.52 · 2025-12-19
SMITH MARIA
Officer
$2.80M
@ $280.31 · 2025-10-23
MAGOUYRK CLAYTON M
Chief Executive Officer
$11.07M
@ $276.64 · 2025-10-21
LEVEY STUART A
Officer
$5.93M
@ $300.00 · 2025-10-10
SELIGMAN NAOMI O
Director
$641,958
@ $288.91 · 2025-09-26
SICILIA MICHAEL D
Officer
$10.87M
@ $321.16 · 2025-09-23
SICILIA MICHAEL D
Officer
$5.12M
@ $313.60 · 2025-09-16
MAGOUYRK CLAYTON M
President
$6.31M
@ $297.11 · 2025-09-12
SICILIA MICHAEL D
Officer
$4.04M
@ $254.48 · 2025-08-05
SELIGMAN NAOMI O
Director
$770,656
@ $233.32 · 2025-07-16
SMITH MARIA
Officer
$2.33M
@ $232.99 · 2025-07-03
CATZ SAFRA A
Chief Executive Officer
$267.24M
@ $212.01 · 2025-06-27
CATZ SAFRA A
Chief Executive Officer
$794.64M
@ $212.50 · 2025-06-26
CATZ SAFRA A
Chief Executive Officer
$764.01M
@ $206.77 · 2025-06-23
MAGOUYRK CLAYTON M
Officer
$3.21M
@ $214.10 · 2025-06-17
CONRADES GEORGE HENRY
Director
$1.74M
@ $213.49 · 2025-06-17
SELIGMAN NAOMI O
Director
$428,562
@ $149.53 · 2025-05-05
SELIGMAN NAOMI O
Director
$291,620
@ $145.81 · 2025-04-02
CATZ SAFRA A
Chief Executive Officer
$705.46M
@ $185.40 · 2025-01-24
SMITH MARIA
Officer
$1.04M
@ $165.00 · 2024-09-16
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
WDC
10
Sells (3M)
38
Sells (12M)
Total value (12M): $53.99M
COLE MARTIN I
Director
$88,852
@ $462.77 · 2026-07-28
TREGILLIS CYNTHIA LOCK
Officer
$427,941
@ $529.63 · 2026-07-21
COLE MARTIN I
Director
$1.68M
@ $511.16 · 2026-06-09
COLE MARTIN I
Director
$385,924
@ $536.01 · 2026-06-09
TREGILLIS CYNTHIA LOCK
Officer
$235,699
@ $545.60 · 2026-06-05
GUBBI VIDYADHARA K
Officer
$1.38M
@ $556.24 · 2026-06-01
KIDDOO BRUCE E
Director
$396,390
@ $528.52 · 2026-05-28
TREGILLIS CYNTHIA LOCK
Officer
$265,973
@ $509.53 · 2026-05-27
TREGILLIS CYNTHIA LOCK
Officer
$48,640
@ $458.87 · 2026-05-21
DAVIS BRIAN SCOTT
Officer
$5.01M
@ $500.69 · 2026-05-11
GUBBI VIDYADHARA K
Officer
$2.07M
@ $443.19 · 2026-05-04
TAN IRVING
Chief Executive Officer
$8.24M
@ $411.84 · 2026-05-01
TREGILLIS CYNTHIA LOCK
Officer
$136,884
@ $377.09 · 2026-04-21
GUBBI VIDYADHARA K
Officer
$2.17M
@ $255.32 · 2026-03-06
GUBBI VIDYADHARA K
Officer
$2.74M
@ $270.31 · 2026-03-04
TREGILLIS CYNTHIA LOCK
Officer
$2.50M
@ $268.27 · 2026-03-04
COLE MARTIN I
Director
$1.63M
@ $271.67 · 2026-03-02
TREGILLIS CYNTHIA LOCK
Officer
$61,228
@ $286.11 · 2026-02-26
TREGILLIS CYNTHIA LOCK
Officer
$123,662
@ $282.33 · 2026-02-24
DAVIS BRIAN SCOTT
Officer
$2.79M
@ $279.16 · 2026-02-17
TREGILLIS CYNTHIA LOCK
Officer
$1.83M
@ $270.49 · 2026-02-06
TAN IRVING
Chief Executive Officer
$5.11M
@ $255.44 · 2026-02-02
TREGILLIS CYNTHIA LOCK
Officer
$102,363
@ $229.00 · 2026-01-21
GUBBI VIDYADHARA K
Officer
$3.72M
@ $163.16 · 2025-12-05
ALEXY KIMBERLY E.
Director
$320,165
@ $160.08 · 2025-12-04
TREGILLIS CYNTHIA LOCK
Officer
$449,752
@ $160.57 · 2025-12-02
COLE MARTIN I
Director
$975,696
@ $162.62 · 2025-12-01
OULMAN ROXANNE M
Director
$277,956
@ $154.42 · 2025-11-25
ALEXY KIMBERLY E.
Director
$272,272
@ $154.00 · 2025-11-25
COLE MARTIN I
Director
$1.61M
@ $161.32 · 2025-11-05
TAN IRVING
Chief Executive Officer
$3.01M
@ $150.69 · 2025-11-03
GUBBI VIDYADHARA K
Officer
$1.02M
@ $90.29 · 2025-09-04
ZAMISKA GENE M
Officer
$28,558
@ $80.90 · 2025-08-28
ZAMISKA GENE M
Officer
$64,387
@ $79.10 · 2025-08-26
TREGILLIS CYNTHIA LOCK
Officer
$1.05M
@ $74.78 · 2025-08-22
ZAMISKA GENE M
Officer
$375,847
@ $75.35 · 2025-08-22
TAN IRVING
Chief Executive Officer
$654,334
@ $75.90 · 2025-08-19
GUBBI VIDYADHARA K
Officer
$722,359
@ $75.69 · 2025-08-13
ZAMISKA GENE M
Officer
$14,212
@ $58.01 · 2025-06-17
ZAMISKA GENE M
Officer
$94,888
@ $54.88 · 2025-06-05
TAN IRVING
Chief Executive Officer
$548,354
@ $48.19 · 2025-05-13
ZAMISKA GENE M
Officer
$19,777
@ $43.37 · 2025-03-12
ZAMISKA GENE M
Officer
$68,616
@ $41.36 · 2025-03-07
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

🎭 Mr. Market's Mood

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ORCL
FearGreed
😨Fear(33/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
WDC
FearGreed
😨Fear(40/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

⚖️ Buffett Signal

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ORCL
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Fear (33)
WDC
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Fear (40)
View ORCL Full AnalysisView WDC Full Analysis

Frequently Asked Questions: ORCL vs WDC

Is Oracle Corporation or Western Digital Corporation more undervalued in 2026?

Based on our discounted cash flow model, WDC trades at a 100.0% margin of safety (intrinsic value $145825765319 vs. price $545), compared to ORCL's 67.8% margin of safety (intrinsic $404 vs. $130).

Which stock has a wider economic moat, Oracle Corporation or Western Digital Corporation?

ORCL scores 67/100 (Narrow moat), while WDC scores 30/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Western Digital Corporation in financial distress?

WDC's Altman Z-Score of 1.3 places it in the Distress zone, signaling elevated bankruptcy risk. ORCL scores 1.6 (Distress zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which stock has higher return on invested capital, Oracle Corporation or Western Digital Corporation?

WDC earns 30.2% ROIC versus ORCL's 9.2%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Oracle Corporation's or Western Digital Corporation's?

WDC's dividend earns a safety score of 85/100 (Very Safe), compared to ORCL's 79/100 (Safe). WDC has raised its dividend for 0 consecutive years.

ORCL vs WDC: Which Is the Better Buy in 2026? | SafetyMargin.io