Compare StocksALGN vs AMZN

Align Technology, Inc. (ALGN) vs Amazon.com, Inc. (AMZN): Which Is the Better Buy in 2026?

As of 2026-08-03, ALGN is undervalued at $169, with a DCF intrinsic value of $213 and a margin of safety of 21%. AMZN is overvalued at $272, with an intrinsic value of $99 and a margin of safety of -176%. Of the two, ALGN has the wider margin of safety.

ALGN
Align Technology, Inc.
$169.16
VS
AMZN
Amazon.com, Inc.
$271.58

Rewards

ALGN
  • Gross margin of 70.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Align Technology, Inc. scores 91/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Free cash flow has grown at a 21.0% CAGR over the past 4 years, demonstrating strong earnings power growth.
AMZN
  • Each dollar of retained earnings has created $5.34 of earning power — management is an exceptional capital allocator.
  • Trailing P/E of 21.8x is 46% 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.

Risks

ALGN
  • FCF yield of 5.3% suggests reasonable valuation assuming continued moderate growth.
AMZN
  • FCF yield of 0.3% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • 9 insider sales totaling $20.3M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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ALGN
AMZN
Valuation
$645.83M
Free Cash Flow
$7.70B
5.33%
FCF Yield
0.26%
29.32
Trailing P/E
21.83
13.50
Forward P/E
26.44
Quality & Moat
13.82%
ROIC
10.44%
10.15%
ROE
30.56%
70.71%
Gross Margin
50.77%
0.80
PEG Ratio
1.46
Balance Sheet Safety
Net cash
Net Debt / Equity
0.23
N/A
Interest Coverage
N/A
-1.10
Net Debt / EBITDA
0.76
0.00%
Dividend Yield
0.00%
ALGN: 7Ties: 1AMZN: 4
ALGNAMZN

Historical Fundamentals

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ALGN

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.

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.

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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ALGN
$-4.04
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$1.28B
Δ Market Cap
$-5.15B
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
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

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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ALGN
20.6% Margin of Safety
Price is 20.6% below estimated fair value
Current Price: $169.16
Fair Value: $213.14
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
AMZN
175.5% Overvalued
Price is 175.5% above estimated fair value
Current Price: $271.58
Fair Value: $98.58
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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ALGN

What growth rate is the market pricing in at $169?

+8.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +5.6%

The market implies +8.0% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +5.6%, reflecting heavy growth investment expected to generate future returns.

AMZN

What growth rate is the market pricing in at $272?

+16.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +50.5%

The market implies +16.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +50.5%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

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ALGN
91/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Revenue Predictability 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.
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.

Forensic Accounting

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ALGN
-2.52
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.
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.

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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ALGN
Insiders 6.8%Institutions 100.7%
No. of Institutional Holders975
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.
AMZN
Insiders 8.9%Institutions 67.8%Retail & Other 23.3%
No. of Institutional Holders7,773
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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ALGN
0
Buys (3M)
0
Buys (12M)
HOGAN JOSEPH M
Chief Executive Officer
$996,131
@ $131.49 · 2025-08-01
LARKIN CHARLES RAYMOND JR
Director
$1.53M
@ $235.33 · 2024-08-15
Open market purchases · includes direct & indirect ownership · excludes option exercises
AMZN
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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ALGN
0
Sells (3M)
1
Sells (12M)
Total value (12M): $1.51M
MORICI JOHN
Chief Financial Officer
$1.51M
@ $189.31 · 2026-02-18
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
AMZN
9
Sells (3M)
45
Sells (12M)
Total value (12M): $113.10M
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
HERRINGTON DOUGLAS J
Officer
$1.48M
@ $216.40 · 2025-11-21
GARMAN MATTHEW S
Officer
$3.85M
@ $216.90 · 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
HERRINGTON DOUGLAS J
Officer
$1.51M
@ $221.62 · 2025-08-21
GARMAN MATTHEW S
Officer
$3.94M
@ $221.57 · 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
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.95M
@ $222.74 · 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
JASSY ANDREW R.
Chief Executive Officer
$4.00M
@ $201.30 · 2025-05-21
REYNOLDS SHELLEY L
Officer
$541,129
@ $200.79 · 2025-05-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.58M
@ $201.57 · 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
HERRINGTON DOUGLAS J
Officer
$1.36M
@ $222.47 · 2025-02-21
GARMAN MATTHEW S
Officer
$3.36M
@ $220.69 · 2025-02-21
JASSY ANDREW R.
Chief Executive Officer
$4.59M
@ $220.65 · 2025-02-21
REYNOLDS SHELLEY L
Officer
$1.97M
@ $222.47 · 2025-02-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.26M
@ $223.14 · 2025-02-21
HERRINGTON DOUGLAS J
Officer
$1.26M
@ $228.44 · 2025-02-18
HERRINGTON DOUGLAS J
Officer
$6.33M
@ $230.27 · 2025-02-12
RUBINSTEIN JONATHAN J
Director
$1.00M
@ $229.85 · 2024-12-09
RUBINSTEIN JONATHAN J
Director
$1.00M
@ $219.85 · 2024-12-04
HERRINGTON DOUGLAS J
Officer
$735,000
@ $210.00 · 2024-12-02
GARMAN MATTHEW S
Chief Executive Officer
$3.05M
@ $200.19 · 2024-11-21
HERRINGTON DOUGLAS J
Officer
$1.22M
@ $200.19 · 2024-11-21
JASSY ANDREW R.
Chief Executive Officer
$4.16M
@ $200.17 · 2024-11-21
REYNOLDS SHELLEY L
Officer
$759,090
@ $200.23 · 2024-11-21
ZAPOLSKY DAVID A.
Officer
$2.34M
@ $200.23 · 2024-11-21
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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ALGN
FearGreed
😐Neutral(43/100)

"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.
AMZN
FearGreed
😏Greed(65/100)

"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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ALGN
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 (43)
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: Greed (65)
View ALGN Full AnalysisView AMZN Full Analysis

Frequently Asked Questions: ALGN vs AMZN

Is Align Technology, Inc. or Amazon.com, Inc. more undervalued in 2026?

Based on our discounted cash flow model, ALGN trades at a 20.6% margin of safety (intrinsic value $213 vs. price $169), compared to AMZN's -175.5% margin of safety (intrinsic $99 vs. $272).

Which stock has a wider economic moat, Align Technology, Inc. or Amazon.com, Inc.?

ALGN scores 91/100 (Wide 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, Align Technology, Inc. or Amazon.com, Inc.?

Align Technology, Inc. (ALGN) generates a 5.3% free cash flow yield, compared to Amazon.com, Inc.'s 0.3%. 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, Align Technology, Inc. or Amazon.com, Inc.?

ALGN earns 13.8% ROIC versus AMZN's 10.4%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.