Compare Stocks › AAPL vs GLW
Apple Inc. (AAPL) vs Corning Incorporated (GLW)
AAPL
Apple Inc.
$280.25
VS
GLW
Corning Incorporated
$158.26
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 0.55 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 2.5% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠Insiders have sold $24.6M worth of stock in the past 3 months — significant insider liquidation.
GLW
- ⚠Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
- ⚠FCF yield of 1.0% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠Trailing P/E of 76.5x is 59% 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
$101.09B
Free Cash Flow
$1.41B
2.46%
FCF Yield
1.04%
33.93
Trailing P/E
76.45
29.30
Forward P/E
39.15
Quality & Moat
60.20%
ROIC
9.07%
105.18%
ROE
12.92%
47.86%
Gross Margin
36.38%
1.56
PEG Ratio
0.55
Balance Sheet Safety
0.80
Debt / Equity
0.80
N/A
Interest Coverage
N/A
0.10
Net Debt / EBITDA
2.09
0.39%
Dividend Yield
0.71%
AAPL: 8Ties: 2GLW: 2
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
58.6% Overvalued
Price is 58.6% above estimated fair value
Current Price: $280.25
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $176.66
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
GLW
39.6% Overvalued
Price is 39.6% above estimated fair value
Current Price: $158.26
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $113.37
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 $280?
+16.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +17.4%
The market implies +16.0% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +17.4%, reflecting heavy growth investment.
GLW
What growth rate is the market pricing in at $158?
+28.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +30.2%
The market implies +28.4% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +30.2%, 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 33.0%
No. of Institutional Holders7,540
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 7.7%Institutions 71.0%Retail & Other 21.3%
No. of Institutional Holders2,526
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
3
Sells (3M)
11
Sells (12M)
Total value (12M): $112.79M
PAREKH KEVAN
Chief Financial Officer
$421,850
@ $275.00 · 2026-04-23
O'BRIEN DEIRDRE
Officer
$7.66M
@ $255.35 · 2026-04-02
COOK TIMOTHY D
Chief Executive Officer
$16.51M
@ $254.23 · 2026-04-02
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
ADAMS KATHERINE L
General Counsel
$12.10M
@ $256.79 · 2025-10-02
COOK TIMOTHY D
Chief Executive Officer
$33.38M
@ $256.81 · 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
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
WILLIAMS JEFFREY E
Chief Operating Officer
$7.95M
@ $224.01 · 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
ADAMS KATHERINE L
General Counsel
$13.80M
@ $226.20 · 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
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
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
GLW
7
Sells (3M)
34
Sells (12M)
Total value (12M): $54.06M
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
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
MUSSER ERIC S.
Retired
$1.95M
@ $130.25 · 2026-02-09
FANG LI
Officer
$1.11M
@ $113.51 · 2026-02-04
O'DAY MICHAEL PAUL
Officer
$558,232
@ $110.52 · 2026-02-02
MUSSER ERIC S.
Retired
$2.75M
@ $110.00 · 2026-02-02
SCHLESINGER EDWARD A
Chief Financial Officer
$2.21M
@ $104.55 · 2026-01-29
SEETHARAM SOUMYA
Chief Technology Officer
$1.50M
@ $90.78 · 2025-12-10
VERKLEEREN RONALD L
Officer
$1.99M
@ $94.69 · 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
BECKER STEFAN
Officer
$1.10M
@ $91.28 · 2025-10-29
MUSSER ERIC S.
Retired
$9.02M
@ $90.17 · 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
O'DAY MICHAEL PAUL
Officer
$927,912
@ $62.36 · 2025-07-30
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
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
SEETHARAM SOUMYA
Chief Technology Officer
$325,285
@ $50.01 · 2025-05-29
BECKER STEFAN
Officer
$849,838
@ $49.68 · 2025-05-29
SEETHARAM SOUMYA
Chief Technology Officer
$715,797
@ $50.01 · 2025-05-28
ZHANG JOHN Z
Officer
$473,679
@ $49.29 · 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
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
😏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.
GLW
😐Neutral(53/100)
"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: Greed (71)
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 (53)