Compare Stocks › MSFT vs SNDK

Microsoft Corporation (MSFT) vs Sandisk Corporation (SNDK): Which Is the Better Buy in 2026?

As of 2026-11-01, MSFT is undervalued at $522, with a DCF intrinsic value of $802 and a margin of safety of 35%. SNDK is undervalued at $1151, with an intrinsic value of $4891 and a margin of safety of 76%. Of the two, SNDK has the wider margin of safety.

MSFT
Microsoft Corporation
$521.91
VS
SNDK
Sandisk Corporation
$1150.89

Rewards

MSFT
  • ★Microsoft Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • ★Gross margin of 67.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Microsoft Corporation scores 84/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
SNDK
  • ★Gross margin of 80.0% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Each dollar of retained earnings has created $16.26 of earning power — management is an exceptional capital allocator.
  • ★Altman Z-Score of 18.60 indicates very low bankruptcy risk — the company is firmly in the safe zone.

Risks

MSFT
  • ⚠FCF yield of 1.7% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • ⚠5 insider sales totaling $75.4M with no purchases in the past 3 months — insiders are reducing their exposure.
SNDK
  • ⚠FCF yield of 6.9% suggests reasonable valuation assuming continued moderate growth.
  • ⚠7 insider sales totaling $119.4M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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MSFT
SNDK
Valuation
$66.99B
Free Cash Flow
$11.24B
1.73%
FCF Yield
6.86%
27.24
Trailing P/E
9.20
21.62
Forward P/E
4.03
Quality & Moat
22.53%
ROIC
99.32%
34.22%
ROE
141.17%
67.66%
Gross Margin
79.95%
1.69
PEG Ratio
N/A
Balance Sheet Safety
0.15
Net Debt / Equity
Net cash
N/A
Interest Coverage
N/A
0.34
Net Debt / EBITDA
-0.24
0.75%
Dividend Yield
0.00%
MSFT: 2Ties: 1SNDK: 8
MSFTSNDK

Historical Fundamentals

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MSFT

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.

SNDK

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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MSFT
$4.30
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$251.42B
Δ Market Cap
+$1.08T
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
SNDK
$11.67
created per $1 retained over 1 year
Exceptional Value Creator
Σ Retained
$11.43B
Δ Market Cap
+$133.37B
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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MSFT
34.9% Margin of Safety
Price is 34.9% below estimated fair value
Current Price: $521.91
Fair Value: $801.72
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
SNDK
76.5% Margin of Safety
Price is 76.5% below estimated fair value
Current Price: $1150.89
Fair Value: $4891.46
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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MSFT

What growth rate is the market pricing in at $522?

+13.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +22.5%

The market implies +13.0% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +22.5%, reflecting heavy growth investment expected to generate future returns.

SNDK

What growth rate is the market pricing in at $1151?

+2.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +3.0%

Economic Moat Score

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MSFT
84/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. Reinvestment Efficiency is the area most vulnerable to competitive pressure.

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.
SNDK
33/100
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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MSFT
-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.
SNDK

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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MSFT
Insiders 0.1%Institutions 75.8%Retail & Other 24.1%
No. of Institutional Holders8,181
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.
SNDK
Insiders 1.1%Institutions 82.8%Retail & Other 16.1%
No. of Institutional Holders2,370
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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MSFT
0
Buys (3M)
1
Buys (12M)
Total value (12M): $1.99M
STANTON JOHN W.
Director
$1.99M
@ $397.35 · 2026-02-18
SMITH BRADFORD LEE
President
$1.45M
@ $377.47 · 2025-04-23
Open market purchases · includes direct & indirect ownership · excludes option exercises
SNDK
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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MSFT
5
Sells (3M)
13
Sells (12M)
Total value (12M): $118.56M
HOOD AMY E
Chief Financial Officer
$3.98M
@ $545.42 · 2026-10-13
HOOD AMY E
Chief Financial Officer
$20.76M
@ $498.27 · 2026-09-14
NADELLA SATYA
Chief Executive Officer
$43.39M
@ $501.46 · 2026-09-01
ALTHOFF JUDSON
Officer
$4.88M
@ $487.89 · 2026-08-05
NUMOTO TAKESHI
Officer
$2.39M
@ $496.52 · 2026-08-04
NUMOTO TAKESHI
Officer
$1.81M
@ $402.84 · 2026-06-10
NUMOTO TAKESHI
Officer
$1.03M
@ $412.45 · 2026-06-08
ALTHOFF JUDSON
Officer
$7.15M
@ $460.99 · 2026-06-01
COLEMAN AMY
Officer
$519,242
@ $411.44 · 2026-05-14
HOGAN KATHLEEN T
Officer
$5.05M
@ $409.55 · 2026-03-06
NUMOTO TAKESHI
Officer
$1.36M
@ $478.72 · 2025-12-04
ALTHOFF JUDSON
Officer
$6.27M
@ $491.52 · 2025-12-02
SMITH BRADFORD LEE
President
$19.97M
@ $518.64 · 2025-11-03
NADELLA SATYA
Chief Executive Officer
$75.32M
@ $504.78 · 2025-09-03
NUMOTO TAKESHI
Officer
$2.56M
@ $527.32 · 2025-08-12
NUMOTO TAKESHI
Officer
$1.39M
@ $463.00 · 2025-06-03
NUMOTO TAKESHI
Officer
$460,008
@ $460.01 · 2025-05-30
HOGAN KATHLEEN T
Officer
$9.76M
@ $453.77 · 2025-05-21
ALTHOFF JUDSON
Officer
$7.33M
@ $458.18 · 2025-05-19
COLEMAN AMY
Officer
$5.99M
@ $452.04 · 2025-05-15
SMITH BRADFORD LEE
President
$1.68M
@ $438.44 · 2025-05-05
SMITH BRADFORD LEE
President
$35.30M
@ $435.84 · 2025-05-05
NUMOTO TAKESHI
Officer
$1.12M
@ $447.41 · 2024-12-09
NUMOTO TAKESHI
Officer
$874,634
@ $437.32 · 2024-12-04
NUMOTO TAKESHI
Officer
$1.50M
@ $428.76 · 2024-12-02
ALTHOFF JUDSON
Officer
$10.43M
@ $417.00 · 2024-11-22
NUMOTO TAKESHI
Officer
$414,720
@ $414.72 · 2024-11-22
YOUNG CHRISTOPHER DAVID
Officer
$3.05M
@ $423.66 · 2024-11-12
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
SNDK
7
Sells (3M)
15
Sells (12M)
Total value (12M): $132.73M
GOECKELER DAVID V
Chief Executive Officer
$53.27M
@ $1574.21 · 2026-09-17
VISOSO LOMELIN LUIS FELIPE
Chief Financial Officer
$1.57M
@ $1568.83 · 2026-09-15
GOECKELER DAVID V
Chief Executive Officer
$51.70M
@ $1527.87 · 2026-09-14
SHEK BERNARD
Officer
$4.08M
@ $1767.33 · 2026-09-08
ILKBAHAR ALPER
Chief Technology Officer
$7.26M
@ $1540.58 · 2026-09-03
ILKBAHAR ALPER
Chief Technology Officer
$625,557
@ $1563.89 · 2026-09-03
SHEK BERNARD
Officer
$915,360
@ $1525.60 · 2026-09-01
SHEK BERNARD
Officer
$697,296
@ $1162.16 · 2026-08-03
SHEK BERNARD
Officer
$1.25M
@ $2088.00 · 2026-07-01
SHEK BERNARD
Officer
$1.04M
@ $1736.00 · 2026-06-03
ILKBAHAR ALPER
Chief Technology Officer
$3.51M
@ $1756.58 · 2026-06-01
POKORNY MICHAEL
Officer
$3.49M
@ $1426.18 · 2026-05-12
SAYINER NECIP
Director
$870,301
@ $1503.11 · 2026-05-08
SUZUKI MIYUKI
Director
$2.20M
@ $627.53 · 2026-02-25
SAYINER NECIP
Director
$248,027
@ $195.14 · 2025-12-03
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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MSFT
FearGreed
😐Neutral(60/100)

"Market is pricing this stock without strong emotion in either direction"

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.
SNDK
FearGreed
😨Fear(34/100)

"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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MSFT
⚪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: Neutral (60)
SNDK
⚪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 (34)
View MSFT Full AnalysisView SNDK Full Analysis

Frequently Asked Questions: MSFT vs SNDK

Is Microsoft Corporation or Sandisk Corporation more undervalued in 2026?▼

Based on our discounted cash flow model, SNDK trades at a 76.5% margin of safety (intrinsic value $4891 vs. price $1151), compared to MSFT's 34.9% margin of safety (intrinsic $802 vs. $522).

Which stock has a wider economic moat, Microsoft Corporation or Sandisk Corporation?▼

MSFT scores 84/100 (Wide moat), while SNDK scores 33/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Which company has better free cash flow, Microsoft Corporation or Sandisk Corporation?▼

Sandisk Corporation (SNDK) generates a 6.9% free cash flow yield, compared to Microsoft Corporation's 1.7%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

Which stock has higher return on invested capital, Microsoft Corporation or Sandisk Corporation?▼

SNDK earns 99.3% ROIC versus MSFT's 22.5%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.