Compare Stocks › AMZN vs TDY

Amazon.com, Inc. (AMZN) vs Teledyne Technologies Incorporated (TDY): Which Is the Better Buy in 2026?

As of 2026-11-01, AMZN is overvalued at $240, with a DCF intrinsic value of $95 and a margin of safety of -152%. TDY is overvalued at $658, with an intrinsic value of $502 and a margin of safety of -31%. Of the two, TDY has the wider margin of safety.

AMZN
Amazon.com, Inc.
$240.35
VS
TDY
Teledyne Technologies Incorporated
$658.23

Rewards

AMZN
  • ★Each dollar of retained earnings has created $5.34 of earning power — management is an exceptional capital allocator.
  • ★Trailing P/E of 19.4x is 52% below the historical average of 40.6x — potentially undervalued relative to its own history.
  • ★Altman Z-Score of 5.30 indicates very low bankruptcy risk — the company is firmly in the safe zone.
TDY
  • ★Free cash flow has grown at a 39.7% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • ★Altman Z-Score of 4.36 indicates very low bankruptcy risk — the company is firmly in the safe zone.

Risks

AMZN
  • ⚠9 insider sales totaling $18.3M with no purchases in the past 3 months — insiders are reducing their exposure.
TDY
  • ⚠Each dollar of retained earnings has produced only $0.37 of earning power — shareholders may have been better served by dividends.
  • ⚠Insiders have sold $4.7M worth of stock in the past 3 months — significant insider liquidation.

Key Valuation Metrics

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AMZN
TDY
Valuation
$-11.14B
Free Cash Flow
$953.88M
-0.43%
FCF Yield
3.13%
19.43
Trailing P/E
30.14
22.39
Forward P/E
23.80
Quality & Moat
9.89%
ROIC
8.12%
27.42%
ROE
9.47%
51.37%
Gross Margin
43.60%
1.39
PEG Ratio
1.40
Balance Sheet Safety
0.26
Net Debt / Equity
0.13
N/A
Interest Coverage
N/A
0.86
Net Debt / EBITDA
0.88
0.00%
Dividend Yield
0.00%
AMZN: 5Ties: 3TDY: 4
AMZNTDY

Historical Fundamentals

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AMZN

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.

TDY

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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AMZN
$9.66
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$167.34B
Δ Market Cap
+$1.62T
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
TDY
$1.86
created per $1 retained over 3 years
Value Creator
Σ Retained
$2.60B
Δ Market Cap
+$4.83B
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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AMZN
152.0% Overvalued
Price is 152.0% above estimated fair value
Current Price: $240.35
Fair Value: $95.38
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
TDY
31.1% Overvalued
Price is 31.1% above estimated fair value
Current Price: $658.23
Fair Value: $502.09
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AMZN

Requires positive FCF to compute implied growth rate.

TDY

What growth rate is the market pricing in at $658?

+12.6%
Market-Implied Owner Earnings Growth
Standard FCF implies +14.7%

The market implies +12.6% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +14.7%, reflecting heavy growth investment.

Economic Moat Score

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AMZN
51/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability 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 5 years of fundamental data.
TDY
64/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving roic consistency 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 5 years of fundamental data.

Forensic Accounting

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AMZN
-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.
TDY
-2.43
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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AMZN
Insiders 8.8%Institutions 68.8%Retail & Other 22.4%
No. of Institutional Holders7,922
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.
TDY
Insiders 0.8%Institutions 102.0%
No. of Institutional Holders1,226
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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AMZN
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
TDY
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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AMZN
9
Sells (3M)
46
Sells (12M)
Total value (12M): $454.87M
HERRINGTON DOUGLAS J
Officer
$251,500
@ $251.50 · 2026-10-01
HERRINGTON DOUGLAS J
Officer
$254,770
@ $254.77 · 2026-09-01
ZAPOLSKY DAVID A.
Officer
$4.00M
@ $259.52 · 2026-08-24
GARMAN MATTHEW S
Officer
$3.77M
@ $259.06 · 2026-08-21
HERRINGTON DOUGLAS J
Officer
$1.65M
@ $259.01 · 2026-08-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$1.61M
@ $260.31 · 2026-08-21
JASSY ANDREW R.
Chief Executive Officer
$5.18M
@ $259.01 · 2026-08-21
REYNOLDS SHELLEY L
Officer
$606,854
@ $259.01 · 2026-08-21
HERRINGTON DOUGLAS J
Officer
$982,993
@ $262.76 · 2026-08-17
HERRINGTON DOUGLAS J
Officer
$278,390
@ $278.39 · 2026-08-03
BEZOS JEFFREY P
Officer and Director
$346.45M
@ $286.41 · 2026-08-03
HERRINGTON DOUGLAS J
Officer
$239,770
@ $239.77 · 2026-07-01
HERRINGTON DOUGLAS J
Officer
$266,190
@ $266.19 · 2026-06-01
ZAPOLSKY DAVID A.
Officer
$4.12M
@ $266.49 · 2026-05-22
GARMAN MATTHEW S
Officer
$4.07M
@ $263.40 · 2026-05-21
HERRINGTON DOUGLAS J
Officer
$1.67M
@ $262.39 · 2026-05-21
JASSY ANDREW R.
Chief Executive Officer
$5.27M
@ $263.42 · 2026-05-21
REYNOLDS SHELLEY L
Officer
$620,003
@ $262.38 · 2026-05-21
GARMAN MATTHEW S
Officer
$3.01M
@ $262.66 · 2026-05-15
HERRINGTON DOUGLAS J
Officer
$982,602
@ $262.59 · 2026-05-15
HERRINGTON DOUGLAS J
Officer
$7.83M
@ $274.67 · 2026-05-04
JASSY ANDREW R.
Chief Executive Officer
$8.62M
@ $275.00 · 2026-05-04
RUBINSTEIN JONATHAN J
Director
$1.01M
@ $273.02 · 2026-04-30
RUBINSTEIN JONATHAN J
Director
$1.00M
@ $260.00 · 2026-04-24
JASSY ANDREW R.
Chief Executive Officer
$7.91M
@ $255.00 · 2026-04-17
HERRINGTON DOUGLAS J
Officer
$5.02M
@ $245.00 · 2026-04-14
HERRINGTON DOUGLAS J
Officer
$210,500
@ $210.50 · 2026-04-01
HERRINGTON DOUGLAS J
Officer
$204,250
@ $204.25 · 2026-03-02
ZAPOLSKY DAVID A.
Officer
$3.65M
@ $205.40 · 2026-02-24
GARMAN MATTHEW S
Officer
$3.64M
@ $205.22 · 2026-02-23
HERRINGTON DOUGLAS J
Officer
$1.41M
@ $205.82 · 2026-02-23
JASSY ANDREW R.
Chief Executive Officer
$4.08M
@ $205.18 · 2026-02-23
REYNOLDS SHELLEY L
Officer
$554,892
@ $205.90 · 2026-02-23
HERRINGTON DOUGLAS J
Officer
$948,990
@ $198.37 · 2026-02-17
ALEXANDER KEITH BRIAN
Director
$183,492
@ $203.88 · 2026-02-12
HERRINGTON DOUGLAS J
Officer
$208,000
@ $208.00 · 2026-02-11
HERRINGTON DOUGLAS J
Officer
$583,050
@ $233.22 · 2025-12-01
ZAPOLSKY DAVID A.
Officer
$4.56M
@ $220.58 · 2025-11-24
GARMAN MATTHEW S
Officer
$3.85M
@ $216.90 · 2025-11-21
HERRINGTON DOUGLAS J
Officer
$1.48M
@ $216.40 · 2025-11-21
JASSY ANDREW R.
Chief Executive Officer
$4.31M
@ $216.94 · 2025-11-21
REYNOLDS SHELLEY L
Officer
$583,222
@ $216.41 · 2025-11-21
HUTTENLOCHER DANIEL P
Director
$280,317
@ $226.61 · 2025-11-20
HERRINGTON DOUGLAS J
Officer
$1.11M
@ $232.71 · 2025-11-17
ALEXANDER KEITH BRIAN
Director
$209,700
@ $233.00 · 2025-11-17
HERRINGTON DOUGLAS J
Officer
$6.14M
@ $250.58 · 2025-11-03
RUBINSTEIN JONATHAN J
Director
$2.04M
@ $250.03 · 2025-10-31
HERRINGTON DOUGLAS J
Officer
$542,750
@ $217.10 · 2025-10-01
HERRINGTON DOUGLAS J
Officer
$558,725
@ $223.49 · 2025-09-02
ZAPOLSKY DAVID A.
Officer
$4.60M
@ $222.34 · 2025-08-22
GARMAN MATTHEW S
Officer
$3.94M
@ $221.57 · 2025-08-21
HERRINGTON DOUGLAS J
Officer
$1.51M
@ $221.62 · 2025-08-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.95M
@ $222.74 · 2025-08-21
JASSY ANDREW R.
Chief Executive Officer
$4.40M
@ $221.58 · 2025-08-21
REYNOLDS SHELLEY L
Officer
$601,755
@ $221.64 · 2025-08-21
HERRINGTON DOUGLAS J
Officer
$1.11M
@ $232.32 · 2025-08-15
HERRINGTON DOUGLAS J
Officer
$542,500
@ $217.00 · 2025-08-01
BEZOS JEFFREY P
Officer and Director
$954.28M
@ $229.72 · 2025-07-24
BEZOS JEFFREY P
Officer and Director
$1.51B
@ $228.34 · 2025-07-22
BEZOS JEFFREY P
Officer and Director
$166.45M
@ $227.02 · 2025-07-15
BEZOS JEFFREY P
Officer and Director
$1.51B
@ $225.21 · 2025-07-14
BEZOS JEFFREY P
Officer and Director
$108.68M
@ $223.99 · 2025-07-09
BEZOS JEFFREY P
Officer and Director
$665.86M
@ $223.86 · 2025-07-07
HERRINGTON DOUGLAS J
Officer
$550,144
@ $220.06 · 2025-07-01
BEZOS JEFFREY P
Officer and Director
$736.68M
@ $221.56 · 2025-06-30
HERRINGTON DOUGLAS J
Officer
$512,450
@ $204.98 · 2025-06-02
ZAPOLSKY DAVID A.
Officer
$4.18M
@ $202.00 · 2025-05-22
GARMAN MATTHEW S
Chief Executive Officer
$4.21M
@ $201.30 · 2025-05-21
HERRINGTON DOUGLAS J
Chief Executive Officer
$1.37M
@ $200.77 · 2025-05-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.58M
@ $201.57 · 2025-05-21
JASSY ANDREW R.
Chief Executive Officer
$4.00M
@ $201.30 · 2025-05-21
REYNOLDS SHELLEY L
Officer
$541,129
@ $200.79 · 2025-05-21
HERRINGTON DOUGLAS J
Chief Executive Officer
$980,971
@ $205.05 · 2025-05-15
ALEXANDER KEITH BRIAN
Director
$210,680
@ $210.68 · 2025-05-12
HERRINGTON DOUGLAS J
Officer
$476,675
@ $190.67 · 2025-05-01
HERRINGTON DOUGLAS J
Officer
$469,975
@ $187.99 · 2025-04-01
HERRINGTON DOUGLAS J
Chief Executive Officer
$532,925
@ $213.17 · 2025-03-03
ZAPOLSKY DAVID A.
Officer
$5.47M
@ $218.25 · 2025-02-24
GARMAN MATTHEW S
Officer
$3.36M
@ $220.69 · 2025-02-21
HERRINGTON DOUGLAS J
Officer
$1.36M
@ $222.47 · 2025-02-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.26M
@ $223.14 · 2025-02-21
JASSY ANDREW R.
Chief Executive Officer
$4.59M
@ $220.65 · 2025-02-21
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
TDY
2
Sells (3M)
3
Sells (12M)
Total value (12M): $7.19M
VON SCHACK WESLEY W
Director
$321,343
@ $686.63 · 2026-08-12
LORNE SIMON M
Director
$4.39M
@ $680.34 · 2026-08-12
SMITH MICHAEL T.
Director
$2.48M
@ $621.00 · 2026-01-29
BOBB GEORGE C. III
Chief Executive Officer
$3.74M
@ $555.41 · 2025-07-30
SMITH MICHAEL T.
Director
$1.11M
@ $560.10 · 2025-07-28
LORNE SIMON M
Director
$3.47M
@ $549.64 · 2025-07-25
VANWEES JASON
Officer
$1.92M
@ $520.06 · 2025-03-03
CIBIK MELANIE SUSAN
General Counsel
$367,090
@ $519.96 · 2025-03-03
MEHRABIAN ROBERT
Officer and Director
$16.15M
@ $512.21 · 2025-02-07
MEHRABIAN ROBERT
Officer and Director
$2.99M
@ $518.22 · 2025-01-31
CIBIK MELANIE SUSAN
General Counsel
$1.38M
@ $510.03 · 2025-01-29
CIBIK MELANIE SUSAN
Chief Operating Officer
$3.78M
@ $511.10 · 2025-01-28
SMITH MICHAEL T.
Director
$1.07M
@ $510.50 · 2025-01-27
BLACKWOOD STEPHEN FINIS
Chief Financial Officer
$2.59M
@ $513.62 · 2025-01-24
BOBB GEORGE C. III
President
$3.20M
@ $507.77 · 2025-01-24
BELAK CYNTHIA Y.
Officer
$2.92M
@ $508.34 · 2025-01-24
SMITH MICHAEL T.
Director
$968,456
@ $478.25 · 2024-12-12
CROCKER CHARLES
Director
$946,236
@ $473.12 · 2024-12-09
MEHRABIAN ROBERT
Officer and Director
$24.38M
@ $487.58 · 2024-11-11
VANWEES JASON
Officer
$2.45M
@ $489.42 · 2024-11-08
CIBIK MELANIE SUSAN
General Counsel
$4.64M
@ $490.17 · 2024-11-08
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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AMZN
FearGreed
😐Neutral(44/100)

"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.
TDY
FearGreed
😏Greed(67/100)

"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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AMZN
⚪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 (44)
TDY
⚪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 (67)
View AMZN Full AnalysisView TDY Full Analysis

Frequently Asked Questions: AMZN vs TDY

Is Amazon.com, Inc. or Teledyne Technologies Incorporated more undervalued in 2026?▼

Based on our discounted cash flow model, TDY trades at a -31.1% margin of safety (intrinsic value $502 vs. price $658), compared to AMZN's -152.0% margin of safety (intrinsic $95 vs. $240).

Which stock has a wider economic moat, Amazon.com, Inc. or Teledyne Technologies Incorporated?▼

TDY scores 64/100 (Narrow moat), while AMZN scores 51/100 (Narrow 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, Amazon.com, Inc. or Teledyne Technologies Incorporated?▼

Teledyne Technologies Incorporated (TDY) generates a 3.1% free cash flow yield, compared to Amazon.com, Inc.'s -0.4%. 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, Amazon.com, Inc. or Teledyne Technologies Incorporated?▼

AMZN earns 9.9% ROIC versus TDY's 8.1%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.