Compare StocksDXCM vs NVDA

DexCom, Inc. (DXCM) vs NVIDIA Corporation (NVDA)

DXCM
DexCom, Inc.
$67.27
VS
NVDA
NVIDIA Corporation
$178.56

Rewards

DXCM
  • Gross margin of 60.1% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Free cash flow has grown at a 52.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Trailing P/E of 32.2x is 57% below the historical average of 75.4x — potentially undervalued relative to its own history.
NVDA
  • NVIDIA Corporation has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • Gross margin of 71.1% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Free cash flow has grown at a 193.9% CAGR over the past 4 years, demonstrating strong earnings power growth.

Risks

DXCM
    NVDA
    • FCF yield of 2.2% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
    • Beneish M-Score of -1.06 flags financial patterns consistent with potential earnings manipulation — warrants further investigation.
    • Insiders have sold $15.7M worth of stock in the past 3 months — significant insider liquidation.

    Key Valuation Metrics

    Learn more →
    DXCM
    NVDA
    Valuation
    $1.08B
    Free Cash Flow
    $96.68B
    4.11%
    FCF Yield
    2.23%
    32.19
    Trailing P/E
    36.52
    22.51
    Forward P/E
    16.22
    Quality & Moat
    22.80%
    ROIC
    65.75%
    30.46%
    ROE
    76.33%
    60.10%
    Gross Margin
    71.07%
    0.41
    PEG Ratio
    0.38
    Balance Sheet Safety
    0.51
    Debt / Equity
    0.07
    N/A
    Interest Coverage
    N/A
    -0.52
    Net Debt / EBITDA
    -0.38
    N/A
    Dividend Yield
    0.02%
    DXCM: 3Ties: 1NVDA: 7
    DXCMNVDA

    Historical Fundamentals

    Learn more →
    DXCM

    Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

    NVDA

    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 →
    DXCM
    $-9.32
    created per $1 retained over 3 years
    Market Cap Declined
    Σ Retained
    $1.95B
    Δ Market Cap
    $-18.21B
    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
    NVDA
    $14.14
    created per $1 retained over 3 years
    Exceptional Value Creator
    Σ Retained
    $220.50B
    Δ Market Cap
    +$3.12T
    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

    Learn more →
    DXCM
    27.9% Margin of Safety
    Price is 27.9% below estimated fair value
    Current Price: $67.27
    Fair Value: $93.28
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued
    NVDA
    50.6% Margin of Safety
    Price is 50.6% below estimated fair value
    Current Price: $178.56
    Fair Value: $361.26
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued

    Reverse DCF — Market-Implied Growth

    Learn more →
    DXCM

    What growth rate is the market pricing in at $67?

    +13.5%
    Market-Implied Owner Earnings Growth
    Standard FCF implies +10.1%

    The market implies +13.5% Owner Earnings growth, below historical trends — potential opportunity.

    Standard FCF implies a more demanding +10.1%, reflecting heavy growth investment expected to generate future returns.

    NVDA

    What growth rate is the market pricing in at $179?

    +15.6%
    Market-Implied Owner Earnings Growth
    Standard FCF implies +18.6%

    The market implies +15.6% Owner Earnings growth, below historical trends — potential opportunity.

    Standard FCF implies a more demanding +18.6%, reflecting heavy growth investment expected to generate future returns.

    Economic Moat Score

    Learn more →
    DXCM
    65/100
    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 4 years of fundamental data.
    NVDA
    69/100
    Narrow Moat
    70+ Wide · 40-69 Narrow · <40 None

    Narrow moat with roic consistency as the key competitive advantage. Improving revenue predictability 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 4 years of fundamental data.

    Forensic Accounting

    Learn more →
    DXCM
    -2.62
    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.
    NVDA
    -1.06
    Likely 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 →
    DXCM
    Insiders 0.4%Institutions 101.0%
    No. of Institutional Holders1,386
    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.
    NVDA
    Insiders 4.2%Institutions 69.8%Retail & Other 26.0%
    No. of Institutional Holders7,415
    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 →
    DXCM
    0
    Buys (3M)
    1
    Buys (12M)
    Total value (12M): $1.00M
    LEACH JACOB STEVEN
    President
    $1.00M
    @ $55.04 · 2025-11-10
    Open market purchases · includes direct & indirect ownership · excludes option exercises
    NVDA
    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 →
    DXCM
    1
    Sells (3M)
    12
    Sells (12M)
    Total value (12M): $2.41M
    HELLER BRIDGETTE P
    Director
    $68,826
    @ $68.01 · 2026-02-12
    HELLER BRIDGETTE P
    Director
    $58,767
    @ $58.07 · 2025-11-12
    MALADY KYLE
    Director
    $53,934
    @ $80.86 · 2025-09-05
    STERN SADIE
    Officer
    $117,280
    @ $80.00 · 2025-09-04
    SYLVAIN JEREME M
    Chief Financial Officer
    $357,796
    @ $74.17 · 2025-09-02
    BROWN MICHAEL JON
    Officer
    $40,145
    @ $80.29 · 2025-08-15
    STERN SADIE
    Officer
    $130,459
    @ $88.99 · 2025-07-28
    BROWN MICHAEL JON
    Officer
    $43,015
    @ $86.03 · 2025-07-15
    STERN SADIE
    Officer
    $124,698
    @ $85.06 · 2025-06-26
    BROWN MICHAEL JON
    Officer
    $41,400
    @ $82.80 · 2025-06-16
    STERN SADIE
    Officer
    $526,318
    @ $85.11 · 2025-05-27
    BROWN MICHAEL JON
    Officer
    $842,849
    @ $84.28 · 2025-05-23
    HELLER BRIDGETTE P
    Director
    $24,756
    @ $70.33 · 2025-03-17
    SYLVAIN JEREME M
    Chief Financial Officer
    $844,632
    @ $70.38 · 2025-03-12
    STERN SADIE
    Officer
    $786,568
    @ $70.38 · 2025-03-12
    LEACH JACOB STEVEN
    Chief Operating Officer
    $990,670
    @ $70.38 · 2025-03-12
    SAYER KEVIN R
    Chief Executive Officer
    $2.29M
    @ $70.38 · 2025-03-12
    BROWN MICHAEL JON
    Officer
    $914,941
    @ $70.38 · 2025-03-12
    SYLVAIN JEREME M
    Chief Financial Officer
    $516,830
    @ $73.83 · 2025-03-10
    SYLVAIN JEREME M
    Chief Financial Officer
    $181,650
    @ $86.91 · 2025-01-29
    STERN SADIE
    Officer
    $181,911
    @ $86.91 · 2025-01-29
    LEACH JACOB STEVEN
    Chief Operating Officer
    $228,932
    @ $86.91 · 2025-01-29
    DOLAN MATTHEW VINCENT
    Officer
    $102,820
    @ $86.91 · 2025-01-29
    SAYER KEVIN R
    Chief Executive Officer
    $2.90M
    @ $86.91 · 2025-01-29
    STERN SADIE
    Officer
    $32,593
    @ $76.87 · 2024-12-16
    SYLVAIN JEREME M
    Chief Financial Officer
    $57,191
    @ $76.87 · 2024-12-16
    LEACH JACOB STEVEN
    Chief Operating Officer
    $57,191
    @ $76.87 · 2024-12-16
    HELLER BRIDGETTE P
    Director
    $76,870
    @ $76.87 · 2024-12-16
    STERN SADIE
    Officer
    $318,275
    @ $74.73 · 2024-11-20
    SYLVAIN JEREME M
    Chief Financial Officer
    $264,285
    @ $75.51 · 2024-11-15
    HELLER BRIDGETTE P
    Director
    $70,000
    @ $70.00 · 2024-09-16
    STERN SADIE
    Officer
    $29,458
    @ $69.15 · 2024-09-09
    SYLVAIN JEREME M
    Chief Financial Officer
    $51,586
    @ $69.15 · 2024-09-09
    LEACH JACOB STEVEN
    Chief Operating Officer
    $51,586
    @ $69.15 · 2024-09-09
    BROWN MICHAEL JON
    Officer
    $48,020
    @ $70.00 · 2024-08-30
    BROWN MICHAEL JON
    Officer
    $45,347
    @ $69.55 · 2024-07-31
    BROWN MICHAEL JON
    Officer
    $75,317
    @ $114.29 · 2024-06-28
    HELLER BRIDGETTE P
    Director
    $113,550
    @ $113.55 · 2024-06-14
    STERN SADIE
    Officer
    $49,127
    @ $115.05 · 2024-06-10
    SYLVAIN JEREME M
    Chief Financial Officer
    $85,713
    @ $115.05 · 2024-06-10
    LEACH JACOB STEVEN
    Chief Operating Officer
    $85,713
    @ $115.05 · 2024-06-10
    BROWN MICHAEL JON
    Officer
    $77,744
    @ $119.24 · 2024-05-31
    DOLAN MATTHEW VINCENT
    Officer
    $306,703
    @ $126.58 · 2024-05-15
    BROWN MICHAEL JON
    Officer
    $79,411
    @ $126.25 · 2024-04-30
    DOLAN MATTHEW VINCENT
    Officer
    $274,242
    @ $137.81 · 2024-04-15
    SAYER KEVIN R
    Chief Executive Officer
    $6.86M
    @ $138.30 · 2024-04-08
    BROWN MICHAEL JON
    Officer
    $367,472
    @ $140.04 · 2024-03-28
    STERN SADIE
    Officer
    $579,180
    @ $140.00 · 2024-03-25
    Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
    NVDA
    2
    Sells (3M)
    40
    Sells (12M)
    Total value (12M): $1.10B
    DABIRI JOHN O
    Director
    $555,440
    @ $184.90 · 2026-03-13
    ROBERTSON DONALD F JR
    Officer
    $15.19M
    @ $189.85 · 2026-01-02
    ROBERTSON DONALD F JR
    Officer
    $4.43M
    @ $179.98 · 2025-12-19
    DABIRI JOHN O
    Director
    $112,317
    @ $179.42 · 2025-11-24
    HUANG JEN-HSUN
    Chief Executive Officer
    $5.20M
    @ $207.91 · 2025-10-29
    HUANG JEN-HSUN
    Chief Executive Officer
    $23.56M
    @ $188.47 · 2025-10-28
    HUANG JEN-HSUN
    Chief Executive Officer
    $40.73M
    @ $181.04 · 2025-10-23
    HUANG JEN-HSUN
    Chief Executive Officer
    $41.06M
    @ $182.48 · 2025-10-20
    HUANG JEN-HSUN
    Chief Executive Officer
    $41.34M
    @ $183.73 · 2025-10-15
    HUANG JEN-HSUN
    Chief Executive Officer
    $42.89M
    @ $190.60 · 2025-10-10
    HUANG JEN-HSUN
    Chief Executive Officer
    $42.05M
    @ $186.89 · 2025-10-07
    HUANG JEN-HSUN
    Chief Executive Officer
    $42.09M
    @ $187.08 · 2025-10-02
    HUANG JEN-HSUN
    Chief Executive Officer
    $40.23M
    @ $178.82 · 2025-09-29
    HUANG JEN-HSUN
    Chief Executive Officer
    $40.21M
    @ $178.69 · 2025-09-24
    ROBERTSON DONALD F JR
    Officer
    $617,298
    @ $176.37 · 2025-09-19
    HUANG JEN-HSUN
    Chief Executive Officer
    $39.18M
    @ $174.14 · 2025-09-19
    HUANG JEN-HSUN
    Chief Executive Officer
    $39.75M
    @ $176.66 · 2025-09-16
    HUANG JEN-HSUN
    Chief Executive Officer
    $39.28M
    @ $174.59 · 2025-09-11
    HUANG JEN-HSUN
    Chief Executive Officer
    $38.01M
    @ $168.95 · 2025-09-08
    HUANG JEN-HSUN
    Chief Executive Officer
    $38.61M
    @ $171.60 · 2025-09-03
    HUDSON BEACH DAWN E
    Director
    $15.38M
    @ $170.90 · 2025-09-03
    HUANG JEN-HSUN
    Chief Executive Officer
    $27.12M
    @ $180.79 · 2025-08-15
    HUANG JEN-HSUN
    Chief Executive Officer
    $40.96M
    @ $182.04 · 2025-08-13
    HUANG JEN-HSUN
    Chief Executive Officer
    $40.66M
    @ $180.70 · 2025-08-08
    HUANG JEN-HSUN
    Chief Executive Officer
    $39.78M
    @ $176.80 · 2025-08-05
    HUANG JEN-HSUN
    Chief Executive Officer
    $40.18M
    @ $178.58 · 2025-07-31
    HUANG JEN-HSUN
    Chief Executive Officer
    $39.16M
    @ $174.02 · 2025-07-28
    HUANG JEN-HSUN
    Chief Executive Officer
    $38.22M
    @ $169.87 · 2025-07-23
    HUANG JEN-HSUN
    Chief Executive Officer
    $38.71M
    @ $172.05 · 2025-07-18
    HUANG JEN-HSUN
    Chief Executive Officer
    $37.59M
    @ $167.08 · 2025-07-15
    HUANG JEN-HSUN
    Chief Executive Officer
    $36.43M
    @ $161.91 · 2025-07-10
    HUANG JEN-HSUN
    Chief Executive Officer
    $35.55M
    @ $158.02 · 2025-07-07
    HUANG JEN-HSUN
    Chief Executive Officer
    $35.16M
    @ $156.27 · 2025-07-01
    HUANG JEN-HSUN
    Chief Executive Officer
    $30.47M
    @ $152.33 · 2025-06-26
    HUANG JEN-HSUN
    Chief Executive Officer
    $14.40M
    @ $144.04 · 2025-06-23
    ROBERTSON DONALD F JR
    Officer
    $646,469
    @ $143.66 · 2025-06-20
    BURGESS ROBERT KENNETH
    Director
    $6.74M
    @ $134.82 · 2025-05-30
    DABIRI JOHN O
    Director
    $91,608
    @ $138.80 · 2025-05-30
    ROBERTSON DONALD F JR
    Officer
    $525,585
    @ $116.80 · 2025-03-21
    KRESS COLETTE M.
    Chief Financial Officer
    $7.79M
    @ $116.83 · 2025-03-21
    SHAH AARTI S
    Director
    $2.37M
    @ $118.42 · 2025-03-20
    BURGESS ROBERT KENNETH
    Director
    $6.16M
    @ $115.49 · 2025-03-13
    DABIRI JOHN O
    Director
    $292,930
    @ $110.00 · 2025-03-10
    ROBERTSON DONALD F JR
    Officer
    $608,775
    @ $135.28 · 2024-12-13
    KRESS COLETTE M.
    Chief Financial Officer
    $9.03M
    @ $135.40 · 2024-12-13
    DABIRI JOHN O
    Director
    $101,672
    @ $142.00 · 2024-11-25
    ROBERTSON DONALD F JR
    Officer
    $524,293
    @ $116.51 · 2024-09-20
    KRESS COLETTE M.
    Chief Financial Officer
    $7.77M
    @ $116.59 · 2024-09-20
    HUANG JEN-HSUN
    Chief Executive Officer
    $28.55M
    @ $118.97 · 2024-09-13
    HUANG JEN-HSUN
    Chief Executive Officer
    $26.25M
    @ $109.39 · 2024-09-11
    HUANG JEN-HSUN
    Chief Executive Officer
    $25.04M
    @ $104.35 · 2024-09-09
    HUANG JEN-HSUN
    Chief Executive Officer
    $25.81M
    @ $107.52 · 2024-09-05
    HUANG JEN-HSUN
    Chief Executive Officer
    $27.57M
    @ $114.90 · 2024-09-03
    HUANG JEN-HSUN
    Chief Executive Officer
    $24.92M
    @ $103.82 · 2024-08-09
    HUANG JEN-HSUN
    Chief Executive Officer
    $25.07M
    @ $104.46 · 2024-08-07
    HUANG JEN-HSUN
    Chief Executive Officer
    $24.61M
    @ $102.54 · 2024-08-05
    HUANG JEN-HSUN
    Chief Executive Officer
    $27.43M
    @ $114.28 · 2024-08-01
    HUANG JEN-HSUN
    Chief Executive Officer
    $26.38M
    @ $109.93 · 2024-07-30
    HUANG JEN-HSUN
    Chief Executive Officer
    $27.22M
    @ $113.40 · 2024-07-26
    HUANG JEN-HSUN
    Chief Executive Officer
    $28.87M
    @ $120.29 · 2024-07-24
    HUANG JEN-HSUN
    Chief Executive Officer
    $28.95M
    @ $120.65 · 2024-07-22
    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 →
    DXCM
    FearGreed
    😨Fear(37/100)

    "Market is pessimistic — investigate whether fears are temporary or structural"

    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.
    NVDA
    FearGreed
    😐Neutral(55/100)

    "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 →
    DXCM
    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: Fear (37)
    NVDA
    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 (55)
    View DXCM Full AnalysisView NVDA Full Analysis
    DexCom, Inc. (DXCM) vs NVIDIA Corporation (NVDA) Stock Comparison | SafetyMargin.io