Compare Stocks › AAPL vs GLW
Apple Inc. (AAPL) vs Corning Incorporated (GLW)
AAPL
Apple Inc.
$248.96
VS
GLW
Corning Incorporated
$133.08
Rewards
AAPL
- ★Apple Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Apple Inc. scores 96/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.
- ★Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
GLW
- ★Free cash flow has grown at a 11.8% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★PEG ratio of 0.93 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
- ★Altman Z-Score of 4.04 indicates very low bankruptcy risk — the company is firmly in the safe zone.
Risks
AAPL
- ⚠FCF yield of 2.9% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠12 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
GLW
- ⚠Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
- ⚠FCF yield of 1.2% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠Trailing P/E of 72.3x is 51% above the historical average of 48.0x — the stock trades at a premium to its own history.
Key Valuation Metrics
Learn more →AAPL
GLW
Valuation
$106.31B
Free Cash Flow
$1.41B
2.91%
FCF Yield
1.24%
31.55
Trailing P/E
72.33
26.71
Forward P/E
34.01
Quality & Moat
68.12%
ROIC
9.43%
127.01%
ROE
12.97%
47.33%
Gross Margin
35.98%
1.72
PEG Ratio
0.93
Balance Sheet Safety
1.03
Debt / Equity
0.76
N/A
Interest Coverage
N/A
0.15
Net Debt / EBITDA
2.14
0.42%
Dividend Yield
0.84%
AAPL: 8Ties: 1GLW: 3
AAPLGLW
Historical Fundamentals
Learn more →AAPL
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
GLW
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
$1 Retained Earnings Test
Learn more →AAPL
$7.57
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$257.06B
Δ Market Cap
+$1.94T
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
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
GLW
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-291.0M
Δ Market Cap
+$48.78B
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
> $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
Learn more →AAPL
38.3% Overvalued
Price is 38.3% above estimated fair value
Current Price: $248.96
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $179.99
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
GLW
30.6% Overvalued
Price is 30.6% above estimated fair value
Current Price: $133.08
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $101.92
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →AAPL
What growth rate is the market pricing in at $249?
+14.5%
Market-Implied Owner Earnings Growth
Standard FCF implies +15.2%
The market implies +14.5% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +15.2%, reflecting heavy growth investment.
GLW
What growth rate is the market pricing in at $133?
+26.1%
Market-Implied Owner Earnings Growth
Standard FCF implies +27.8%
The market implies +26.1% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +27.8%, reflecting heavy growth investment.
Economic Moat Score
Learn more →AAPL
96/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None
Wide moat with strength across all dimensions. ROIC Consistency is the standout factor.
Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 5 years of fundamental data.
GLW
36/100
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
Learn more →AAPL
-2.29
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.
GLW
-2.38
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
Learn more →AAPL
Insiders 1.6%Institutions 65.3%Retail & Other 33.1%
No. of Institutional Holders7,544
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.
GLW
Insiders 8.2%Institutions 74.9%Retail & Other 16.9%
No. of Institutional Holders2,353
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
Learn more →AAPL
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
GLW
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
Learn more →AAPL
0
Sells (3M)
12
Sells (12M)
Total value (12M): $129.96M
KONDO CHRISTOPHER
Officer
$1.02M
@ $271.23 · 2025-11-07
PAREKH KEVAN
Chief Financial Officer
$1.04M
@ $247.39 · 2025-10-16
O'BRIEN DEIRDRE
Officer
$11.07M
@ $257.39 · 2025-10-02
COOK TIMOTHY D
Chief Executive Officer
$33.38M
@ $256.81 · 2025-10-02
ADAMS KATHERINE L
General Counsel
$12.10M
@ $256.79 · 2025-10-02
LEVINSON ARTHUR D
Director
$20.89M
@ $232.07 · 2025-08-28
O'BRIEN DEIRDRE
Officer
$7.77M
@ $223.20 · 2025-08-08
KONDO CHRISTOPHER
Officer
$933,955
@ $208.19 · 2025-05-12
PAREKH KEVAN
Chief Financial Officer
$941,420
@ $206.00 · 2025-04-23
WILLIAMS JEFFREY E
Chief Operating Officer
$7.95M
@ $224.01 · 2025-04-02
COOK TIMOTHY D
Chief Executive Officer
$24.18M
@ $223.65 · 2025-04-02
ADAMS KATHERINE L
General Counsel
$8.68M
@ $223.67 · 2025-04-02
LEVINSON ARTHUR D
Director
$343,147
@ $226.35 · 2025-02-03
LEVINSON ARTHUR D
Director
$45.46M
@ $227.32 · 2024-11-19
KONDO CHRISTOPHER
Officer
$945,233
@ $228.87 · 2024-11-18
MAESTRI LUCA
Chief Financial Officer
$13.43M
@ $226.52 · 2024-10-04
O'BRIEN DEIRDRE
Officer
$13.84M
@ $226.87 · 2024-10-02
WILLIAMS JEFFREY E
Chief Operating Officer
$13.55M
@ $226.86 · 2024-10-02
COOK TIMOTHY D
Chief Executive Officer
$50.28M
@ $224.46 · 2024-10-02
ADAMS KATHERINE L
General Counsel
$13.80M
@ $226.20 · 2024-10-02
KONDO CHRISTOPHER
Officer
$1.96M
@ $225.00 · 2024-08-15
KONDO CHRISTOPHER
Officer
$1.12M
@ $216.50 · 2024-08-09
ADAMS KATHERINE L
General Counsel
$20.64M
@ $206.44 · 2024-08-05
LEVINSON ARTHUR D
Director
$14.37M
@ $191.58 · 2024-05-30
KONDO CHRISTOPHER
Officer
$951,785
@ $190.40 · 2024-05-15
MAESTRI LUCA
Chief Financial Officer
$9.26M
@ $174.12 · 2024-04-11
O'BRIEN DEIRDRE
Officer
$9.24M
@ $168.91 · 2024-04-02
COOK TIMOTHY D
Chief Executive Officer
$33.26M
@ $169.33 · 2024-04-02
ADAMS KATHERINE L
General Counsel
$9.24M
@ $168.90 · 2024-04-02
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
GLW
10
Sells (3M)
35
Sells (12M)
Total value (12M): $54.95M
ZHANG JOHN Z
Officer
$204,765
@ $133.75 · 2026-02-12
NELSON AVERY H III
Chief Operating Officer
$203,800
@ $128.74 · 2026-02-11
STEVERSON LEWIS A
Officer
$2.00M
@ $130.22 · 2026-02-10
MUSSER ERIC S.
Retired
$1.95M
@ $130.25 · 2026-02-09
NELSON AVERY H III
Chief Operating Officer
$812,722
@ $129.79 · 2026-02-09
KAMMERUD JORDANA DARYL
Officer
$3.83M
@ $127.67 · 2026-02-09
FANG LI
Officer
$1.11M
@ $113.51 · 2026-02-04
MUSSER ERIC S.
Retired
$2.75M
@ $110.00 · 2026-02-02
O'DAY MICHAEL PAUL
Officer
$558,232
@ $110.52 · 2026-02-02
SCHLESINGER EDWARD A
Chief Financial Officer
$2.21M
@ $104.55 · 2026-01-29
VERKLEEREN RONALD L
Officer
$1.99M
@ $94.69 · 2025-12-10
SEETHARAM SOUMYA
Chief Technology Officer
$1.50M
@ $90.78 · 2025-12-10
SCHLESINGER EDWARD A
Chief Financial Officer
$1.91M
@ $91.25 · 2025-10-31
STEVERSON LEWIS A
Officer
$2.06M
@ $89.05 · 2025-10-31
MUSSER ERIC S.
Retired
$9.02M
@ $90.17 · 2025-10-29
BECKER STEFAN
Officer
$1.10M
@ $91.28 · 2025-10-29
AMIN JAYMIN
Chief Technology Officer
$1.37M
@ $77.18 · 2025-09-17
MUSSER ERIC S.
President
$1.40M
@ $70.23 · 2025-09-04
ZHANG JOHN Z
Officer
$79,425
@ $65.53 · 2025-08-12
MUSSER ERIC S.
President
$1.23M
@ $65.31 · 2025-08-11
MUSSER ERIC S.
President
$1.32M
@ $65.88 · 2025-08-07
WEEKS WENDELL P.
Chief Executive Officer
$5.35M
@ $65.19 · 2025-08-07
NELSON AVERY H III
Chief Operating Officer
$2.26M
@ $62.26 · 2025-07-30
SCHLESINGER EDWARD A
Chief Financial Officer
$877,013
@ $62.28 · 2025-07-30
STEVERSON LEWIS A
Officer
$1.04M
@ $62.22 · 2025-07-30
O'DAY MICHAEL PAUL
Officer
$927,912
@ $62.36 · 2025-07-30
VERKLEEREN RONALD L
Officer
$1.01M
@ $50.52 · 2025-06-11
MUSSER ERIC S.
President
$1.02M
@ $51.11 · 2025-06-06
SCHLESINGER EDWARD A
Chief Financial Officer
$222,534
@ $49.85 · 2025-06-02
BECKER STEFAN
Officer
$849,838
@ $49.68 · 2025-05-29
SEETHARAM SOUMYA
Chief Technology Officer
$325,285
@ $50.01 · 2025-05-29
ZHANG JOHN Z
Officer
$473,679
@ $49.29 · 2025-05-28
SEETHARAM SOUMYA
Chief Technology Officer
$715,797
@ $50.01 · 2025-05-28
ZHANG JOHN Z
Officer
$375,294
@ $46.91 · 2025-05-12
BELL MICHAEL ALAN
Retired
$892,768
@ $44.06 · 2025-04-30
WEEKS WENDELL P.
Chief Executive Officer
$5.01M
@ $50.08 · 2025-02-28
SCHLESINGER EDWARD A
Chief Financial Officer
$218,518
@ $52.82 · 2025-02-19
ZHANG JOHN Z
Officer
$744,757
@ $52.78 · 2025-02-18
MUSSER ERIC S.
President
$1.56M
@ $51.92 · 2025-01-31
BELL MICHAEL ALAN
Retired
$110,165
@ $49.87 · 2025-01-30
BAYNE JOHN P JR
Retired
$435,725
@ $49.09 · 2024-11-25
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
Learn more →AAPL
😐Neutral(52/100)
"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.
GLW
😐Neutral(49/100)
"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.
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
Learn more →AAPL
⚪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 (52)
GLW
⚪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 (49)