Compare StocksMSFT vs SPG

Microsoft Corporation (MSFT) vs Simon Property Group, Inc. (SPG): Which Is the Better Buy in 2026?

As of 2026-08-03, MSFT is undervalued at $465, with a DCF intrinsic value of $724 and a margin of safety of 36%. SPG is undervalued at $229, with an intrinsic value of $65577965220 and a margin of safety of 100%. Of the two, SPG has the wider margin of safety.

MSFT
Microsoft Corporation
$464.72
VS
SPG
Simon Property Group, Inc.
$229.37

Rewards

MSFT
  • Microsoft Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Gross margin of 67.9% 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.
SPG
  • Gross margin of 81.6% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Simon Property Group, Inc. scores 74/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.

Risks

MSFT
  • FCF yield of 1.9% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Insiders have sold $10.5M worth of stock in the past 3 months — significant insider liquidation.
SPG
  • PEG ratio of 4.58 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • High leverage (4.49x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • Net debt/EBITDA of 5.8x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.

Key Valuation Metrics

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MSFT
SPG
Valuation
$66.99B
Free Cash Flow
$2.49B
1.94%
FCF Yield
N/A
25.90
Trailing P/E
15.95
19.96
Forward P/E
34.03
Quality & Moat
20.70%
ROIC
6.45%
34.04%
ROE
113.59%
67.94%
Gross Margin
81.58%
1.52
PEG Ratio
4.58
Balance Sheet Safety
0.12
Net Debt / Equity
4.49
N/A
Interest Coverage
N/A
0.27
Net Debt / EBITDA
5.79
0.78%
Dividend Yield
3.84%
MSFT: 6Ties: 1SPG: 4
MSFTSPG

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.

SPG

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
$2.61
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$251.42B
Δ Market Cap
+$657.41B
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
SPG
$0.00
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$205.6M
Δ Market Cap
+$67.63
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
35.8% Margin of Safety
Price is 35.8% below estimated fair value
Current Price: $464.72
Fair Value: $724.34
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
SPG
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $229.37
Fair Value: $65577965220.16
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 $465?

+11.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +20.8%

The market implies +11.4% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +20.8%, reflecting heavy growth investment expected to generate future returns.

SPG

What growth rate is the market pricing in at $229?

-10.9%
Market-Implied Owner Earnings Growth
Standard FCF implies -0.0%

The market implies -10.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -0.0%, reflecting heavy growth investment expected to generate future returns.

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.
SPG
74/100
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.

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.
SPG
-2.24
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.

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 24.2%
No. of Institutional Holders8,079
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.
SPG
Insiders 1.8%Institutions 94.8%Retail & Other 3.4%
No. of Institutional Holders1,844
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
SPG
10
Buys (3M)
26
Buys (12M)
Total value (12M): $792,795
AEPPEL GLYN F
Director
$9,871
@ $224.34 · 2026-06-30
STEWART MARTA R.
Director
$672.00
@ $224.00 · 2026-06-30
SELIG STEFAN M
Director
$7,392
@ $224.00 · 2026-06-30
ROE PEGGY FANG
Director
$2,010
@ $223.33 · 2026-06-30
JONES NINA P.
Director
$447.00
@ $223.50 · 2026-06-30
CICCO MARTIN J
Director
$447.00
@ $223.50 · 2026-06-30
SMITH DANIEL C.
Director
$13,004
@ $224.21 · 2026-06-30
GLASSCOCK LARRY C
Director
$15,046
@ $224.57 · 2026-06-30
RODKIN GARY M
Director
$10,538
@ $224.21 · 2026-06-30
LEIBOWITZ REUBEN S
Director
$17,525
@ $224.68 · 2026-06-30
AEPPEL GLYN F
Director
$40,620
@ $183.80 · 2026-03-31
STEWART MARTA R.
Director
$36,025
@ $183.80 · 2026-03-31
SELIG STEFAN M
Director
$37,863
@ $183.80 · 2026-03-31
ROE PEGGY FANG
Director
$14,888
@ $183.80 · 2026-03-31
JONES NINA P.
Director
$6,617
@ $183.81 · 2026-03-31
LEWIS RANDALL J.
Director
$10,293
@ $183.80 · 2026-03-31
SMITH DANIEL C.
Director
$65,249
@ $183.80 · 2026-03-31
GLASSCOCK LARRY C
Director
$68,557
@ $183.80 · 2026-03-31
RODKIN GARY M
Director
$42,642
@ $183.80 · 2026-03-31
LEIBOWITZ REUBEN S
Director
$90,246
@ $183.80 · 2026-03-31
LEWIS RANDALL J.
Director
$100,258
@ $183.96 · 2025-12-15
LEWIS RANDALL J.
Director
$106,310
@ $180.80 · 2025-11-18
AEPPEL GLYN F
Director
$38,678
@ $185.95 · 2025-09-30
SELIG STEFAN M
Director
$36,260
@ $185.95 · 2025-09-30
ROE PEGGY FANG
Director
$14,132
@ $185.95 · 2025-09-30
STEWART MARTA R.
Director
$7,205
@ $171.55 · 2025-08-14
AEPPEL GLYN F
Director
$37,274
@ $159.29 · 2025-06-30
STEWART MARTA R.
Director
$33,132
@ $159.29 · 2025-06-30
ROE PEGGY FANG
Director
$13,699
@ $159.29 · 2025-06-30
JONES NINA P.
Director
$6,053
@ $159.29 · 2025-06-30
SMITH DANIEL C.
Director
$60,212
@ $159.29 · 2025-06-30
RODKIN GARY M
Director
$39,185
@ $159.29 · 2025-06-30
LEIBOWITZ REUBEN S
Director
$83,149
@ $159.29 · 2025-06-30
LEIBOWITZ REUBEN S
Director
$79,434
@ $164.80 · 2025-03-31
SELIG STEFAN M
Director
$30,449
@ $167.30 · 2024-09-30
JONES NINA P.
Director
$3,346
@ $167.30 · 2024-09-30
SMITH DANIEL C.
Director
$54,372
@ $167.30 · 2024-09-30
AEPPEL GLYN F
Director
$32,791
@ $167.30 · 2024-09-30
GLASSCOCK LARRY C
Director
$56,547
@ $167.30 · 2024-09-30
HUBBARD ALLAN B
Director
$61,901
@ $167.30 · 2024-09-30
LEIBOWITZ REUBEN S
Director
$75,787
@ $167.30 · 2024-09-30
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
4
Sells (3M)
10
Sells (12M)
Total value (12M): $121.03M
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
NUMOTO TAKESHI
Officer
$1.03M
@ $411.04 · 2024-09-10
HOGAN KATHLEEN T
Officer
$7.16M
@ $411.86 · 2024-09-10
SMITH BRADFORD LEE
President
$16.10M
@ $402.59 · 2024-09-09
HOOD AMY E
Chief Financial Officer
$15.60M
@ $410.55 · 2024-09-05
NADELLA SATYA
Chief Executive Officer
$32.02M
@ $408.63 · 2024-09-04
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
SPG
0
Sells (3M)
1
Sells (12M)
Total value (12M): $2.01M
RULLI JOHN
Officer
$2.01M
@ $200.88 · 2026-02-25
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(57/100)

"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.
SPG
FearGreed
😏Greed(71/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

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 (57)
SPG
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: Greed (71)
View MSFT Full AnalysisView SPG Full Analysis

Frequently Asked Questions: MSFT vs SPG

Is Microsoft Corporation or Simon Property Group, Inc. more undervalued in 2026?

Based on our discounted cash flow model, SPG trades at a 100.0% margin of safety (intrinsic value $65577965220 vs. price $229), compared to MSFT's 35.8% margin of safety (intrinsic $724 vs. $465).

Which stock has a wider economic moat, Microsoft Corporation or Simon Property Group, Inc.?

MSFT scores 84/100 (Wide moat), while SPG scores 74/100 (Wide moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Simon Property Group, Inc. in financial distress?

SPG's Altman Z-Score of 0.2 places it in the Distress zone, signaling elevated bankruptcy risk. MSFT scores 8.3 (Safe 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, Microsoft Corporation or Simon Property Group, Inc.?

MSFT earns 20.7% ROIC versus SPG's 6.4%. 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, Microsoft Corporation's or Simon Property Group, Inc.'s?

MSFT's dividend earns a safety score of 94/100 (Very Safe), compared to SPG's 54/100 (Borderline). MSFT has raised its dividend for 3 consecutive years.