Compare Stocks › TSLA vs WAB
Tesla, Inc. (TSLA) vs Westinghouse Air Brake Technologies Corporation (WAB)
TSLA
Tesla, Inc.
$391.81
VS
WAB
Westinghouse Air Brake Technologies Corporation
$264.20
Rewards
TSLA
- ★Altman Z-Score of 19.94 indicates very low bankruptcy risk — the company is firmly in the safe zone.
- ★Net debt/EBITDA of -2.6x means the company holds more cash than debt — a net cash position.
WAB
- ★Free cash flow has grown at a 19.0% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★Each dollar of retained earnings has created $2.29 of earning power — management is an exceptional capital allocator.
Risks
TSLA
- ⚠ROIC has declined by 17.7 percentage points over the observed period, which may signal competitive erosion.
- ⚠Gross margin of 19.1% is low, suggesting a competitive or commodity-like market with limited pricing power.
- ⚠Share count has increased by 19% over the past 4 years, diluting existing shareholders.
WAB
- ⚠Trailing P/E of 37.4x is 25% above the historical average of 29.8x — the stock trades at a premium to its own history.
- ⚠PEG ratio of 2.92 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
- ⚠9 insider sales totaling $25.3M with no purchases in the past 3 months — insiders are reducing their exposure.
Key Valuation Metrics
Learn more →TSLA
WAB
Valuation
$5.25B
Free Cash Flow
$1.50B
0.36%
FCF Yield
3.34%
359.45
Trailing P/E
37.37
154.54
Forward P/E
21.79
Quality & Moat
3.23%
ROIC
9.55%
4.47%
ROE
10.49%
19.06%
Gross Margin
35.24%
43.31
PEG Ratio
2.92
Balance Sheet Safety
0.19
Debt / Equity
0.62
N/A
Interest Coverage
N/A
-2.60
Net Debt / EBITDA
2.54
N/A
Dividend Yield
0.40%
TSLA: 3Ties: 1WAB: 7
TSLAWAB
Historical Fundamentals
Learn more →TSLA
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
WAB
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 →TSLA
$50.04
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$25.92B
Δ Market Cap
+$1.30T
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
WAB
$7.04
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$2.60B
Δ Market Cap
+$18.33B
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 →TSLA
542.7% Overvalued
Price is 542.7% above estimated fair value
Current Price: $391.81
Strongly undervalued
Strongly overvalued
Fair Value: $60.97
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WAB
45.9% Overvalued
Price is 45.9% above estimated fair value
Current Price: $264.20
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $181.02
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →TSLA
What growth rate is the market pricing in at $392?
+49.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +44.8%
The market implies +49.9% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +44.8%, reflecting heavy growth investment.
WAB
What growth rate is the market pricing in at $264?
+18.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +15.0%
The market implies +18.4% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +15.0%, reflecting heavy growth investment expected to generate future returns.
Economic Moat Score
Learn more →TSLA
31/100
No Moat
70+ Wide · 40-69 Narrow · <40 None
No durable moat detected, though revenue predictability 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.
WAB
62/100
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 4 years of fundamental data.
Forensic Accounting
Learn more →TSLA
-2.86
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.
WAB
-2.50
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 →TSLA
Insiders 11.1%Institutions 44.7%Retail & Other 44.2%
No. of Institutional Holders5,238
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.
WAB
Insiders 0.7%Institutions 96.2%Retail & Other 3.1%
No. of Institutional Holders1,558
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 →TSLA
0
Buys (3M)
1
Buys (12M)
Total value (12M): $999.96M
MUSK ELON REEVE
Chief Executive Officer
$999.96M
@ $389.28 · 2025-09-12
GEBBIA JOSEPH
Director
$1.03M
@ $256.31 · 2025-04-24
Open market purchases · includes direct & indirect ownership · excludes option exercises
WAB
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 →TSLA
3
Sells (3M)
15
Sells (12M)
Total value (12M): $294.75M
WILSON - THOMPSON KATHLEEN
Director
$9.27M
@ $359.33 · 2026-03-30
TANEJA VAIBHAV
Chief Financial Officer
$899,077
@ $397.12 · 2026-03-06
WILSON - THOMPSON KATHLEEN
Director
$10.69M
@ $415.56 · 2026-02-25
MUSK KIMBAL J
Director
$25.61M
@ $450.66 · 2025-12-09
TANEJA VAIBHAV
Chief Financial Officer
$1.17M
@ $443.93 · 2025-12-08
TANEJA VAIBHAV
Chief Financial Officer
$918,137
@ $352.45 · 2025-09-08
TANEJA VAIBHAV
Chief Financial Officer
$1.77M
@ $295.26 · 2025-07-08
ZHU XIAOTONG
Officer
$4.86M
@ $323.81 · 2025-06-12
TANEJA VAIBHAV
Chief Financial Officer
$732,573
@ $285.71 · 2025-06-09
TANEJA VAIBHAV
Chief Financial Officer
$2.40M
@ $342.30 · 2025-06-03
MUSK KIMBAL J
Director
$32.73M
@ $357.39 · 2025-05-27
EHRENPREIS IRA MATTHEW
Director
$170.64M
@ $357.30 · 2025-05-27
TANEJA VAIBHAV
Chief Financial Officer
$1.05M
@ $350.11 · 2025-05-16
TANEJA VAIBHAV
Chief Financial Officer
$1.20M
@ $300.00 · 2025-05-09
DENHOLM ROBYN M
Director
$30.81M
@ $274.12 · 2025-05-06
TANEJA VAIBHAV
Chief Financial Officer
$1.14M
@ $284.40 · 2025-05-01
DENHOLM ROBYN M
Director
$32.10M
@ $285.58 · 2025-04-29
TANEJA VAIBHAV
Chief Financial Officer
$1.00M
@ $250.00 · 2025-04-07
MURDOCH JAMES RUPERT
Director
$13.19M
@ $240.79 · 2025-03-10
TANEJA VAIBHAV
Chief Financial Officer
$718,111
@ $268.75 · 2025-03-06
DENHOLM ROBYN M
Director
$33.67M
@ $299.61 · 2025-03-03
TANEJA VAIBHAV
Chief Financial Officer
$1.78M
@ $296.02 · 2025-03-03
MUSK KIMBAL J
Director
$27.59M
@ $367.87 · 2025-02-06
DENHOLM ROBYN M
Director
$43.16M
@ $384.04 · 2025-02-03
TANEJA VAIBHAV
Chief Financial Officer
$2.68M
@ $383.11 · 2025-02-03
WILSON - THOMPSON KATHLEEN
Director
$41.16M
@ $411.63 · 2025-01-06
TANEJA VAIBHAV
Chief Financial Officer
$2.89M
@ $413.56 · 2025-01-06
TANEJA VAIBHAV
Chief Financial Officer
$975,015
@ $374.29 · 2024-12-06
WILSON - THOMPSON KATHLEEN
Director
$35.25M
@ $352.54 · 2024-12-04
DENHOLM ROBYN M
Director
$39.79M
@ $354.06 · 2024-12-02
TANEJA VAIBHAV
Chief Financial Officer
$2.48M
@ $354.43 · 2024-12-02
DENHOLM ROBYN M
Director
$35.34M
@ $314.44 · 2024-11-15
WILSON - THOMPSON KATHLEEN
Director
$34.60M
@ $346.02 · 2024-11-11
TANEJA VAIBHAV
Chief Financial Officer
$3.80M
@ $316.91 · 2024-11-11
MUSK KIMBAL J
Director
$15.14M
@ $250.23 · 2024-11-01
TANEJA VAIBHAV
Chief Financial Officer
$1.01M
@ $251.76 · 2024-11-01
TANEJA VAIBHAV
Chief Financial Officer
$1.00M
@ $250.00 · 2024-10-24
TANEJA VAIBHAV
Chief Financial Officer
$2.00M
@ $250.00 · 2024-09-23
ZHU XIAOTONG
Officer
$65,867
@ $221.77 · 2024-09-06
DENHOLM ROBYN M
Director
$14.60M
@ $219.96 · 2024-07-25
ZHU XIAOTONG
Officer
$113,151
@ $174.35 · 2024-06-06
DENHOLM ROBYN M
Director
$17.32M
@ $184.86 · 2024-05-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
WAB
9
Sells (3M)
38
Sells (12M)
Total value (12M): $44.37M
SANTANA RAFAEL
Chief Executive Officer
$16.36M
@ $268.89 · 2026-04-14
TROMBLEY GINA
Officer
$970,624
@ $241.87 · 2026-03-12
SANTANA RAFAEL
Chief Executive Officer
$572,118
@ $245.97 · 2026-03-10
GAUR SAMEER
Officer
$302,016
@ $262.62 · 2026-02-26
JAIN NALIN
Officer
$2.10M
@ $264.09 · 2026-02-25
OLIN JOHN A
Chief Financial Officer
$2.90M
@ $263.30 · 2026-02-24
MENDONCA ROGERIO
Officer
$924,719
@ $264.21 · 2026-02-20
SBROCCO GREGORY
Officer
$246,025
@ $258.43 · 2026-02-19
SANTANA RAFAEL
Chief Executive Officer
$897,080
@ $249.47 · 2026-02-11
SANTANA RAFAEL
Chief Executive Officer
$787,180
@ $218.90 · 2026-01-06
SANTANA RAFAEL
Chief Executive Officer
$765,446
@ $212.86 · 2025-12-18
FETSKO MICHAEL E.
Officer
$1.09M
@ $215.72 · 2025-12-12
MENDONCA ROGERIO
Officer
$433,089
@ $214.51 · 2025-12-04
DENINNO DAVID L
General Counsel
$1.07M
@ $214.62 · 2025-12-04
DENINNO DAVID L
General Counsel
$1.05M
@ $209.94 · 2025-11-12
MASTALERZ JOHN A JR
Officer
$580,860
@ $210.00 · 2025-11-12
SCHWEITZER PASCAL
Officer
$624,214
@ $208.07 · 2025-11-11
SANTANA RAFAEL
Chief Executive Officer
$732,296
@ $203.64 · 2025-11-04
SBROCCO GREGORY
Officer
$493,928
@ $203.77 · 2025-10-31
DENINNO DAVID L
General Counsel
$419,731
@ $199.87 · 2025-10-28
SBROCCO GREGORY
Officer
$577,108
@ $195.43 · 2025-10-23
SANTANA RAFAEL
Chief Executive Officer
$705,331
@ $196.14 · 2025-10-15
SANTANA RAFAEL
Chief Executive Officer
$682,702
@ $189.80 · 2025-09-15
SANTANA RAFAEL
Chief Executive Officer
$340,876
@ $192.37 · 2025-08-21
SANTANA RAFAEL
Chief Executive Officer
$378,170
@ $213.41 · 2025-07-08
SANTANA RAFAEL
Chief Executive Officer
$356,952
@ $201.44 · 2025-06-18
TROMBLEY GINA
Officer
$868,419
@ $202.00 · 2025-06-13
THEOPHILUS NICOLE BETH
Officer
$408,285
@ $204.14 · 2025-06-11
SCHWEITZER PASCAL
Officer
$823,792
@ $205.95 · 2025-06-09
YATES KYRA
Officer
$283,043
@ $203.77 · 2025-06-05
HEHIR BRIAN P
Director
$237,276
@ $203.67 · 2025-06-03
GEBHARDT ERIC
Chief Technology Officer
$1.24M
@ $202.39 · 2025-05-27
DENINNO DAVID L
General Counsel
$603,138
@ $201.05 · 2025-05-22
SANTANA RAFAEL
Chief Executive Officer
$361,009
@ $203.73 · 2025-05-14
FETSKO MICHAEL E.
Officer
$740,200
@ $202.13 · 2025-05-13
MENDONCA ROGERIO
Officer
$806,745
@ $200.04 · 2025-05-12
HEHIR BRIAN P
Director
$191,418
@ $191.42 · 2025-05-08
LEROUX LILIAN
Officer
$1.44M
@ $192.19 · 2025-05-05
DENINNO DAVID L
General Counsel
$575,464
@ $191.82 · 2025-05-02
SANTANA RAFAEL
Chief Executive Officer
$13.20M
@ $191.70 · 2025-05-02
SCHWEITZER PASCAL
Officer
$738,529
@ $184.63 · 2025-04-25
JAIN NALIN
Officer
$1.95M
@ $185.59 · 2025-04-24
SANTANA RAFAEL
Chief Executive Officer
$9.83M
@ $175.74 · 2025-04-03
SANTANA RAFAEL
Chief Executive Officer
$163,969
@ $185.07 · 2025-04-02
SANTANA RAFAEL
Chief Executive Officer
$161,554
@ $182.34 · 2025-02-27
SANTANA RAFAEL
Chief Executive Officer
$164,348
@ $183.83 · 2025-02-26
SBROCCO GREGORY
Officer
$113,772
@ $201.37 · 2024-11-26
NEUPAVER ALBERT J
Director
$2.02M
@ $202.00 · 2024-11-11
MASTALERZ JOHN A JR
Officer
$558,396
@ $199.71 · 2024-11-06
DENINNO DAVID L
General Counsel
$165,116
@ $188.70 · 2024-10-30
NEUPAVER ALBERT J
Director
$6.74M
@ $188.70 · 2024-10-30
DENINNO DAVID L
General Counsel
$1.89M
@ $188.60 · 2024-10-24
SCHWEITZER PASCAL
Officer
$369,832
@ $163.57 · 2024-09-11
HAMMERSMITH ALICIA
Officer
$690,140
@ $165.54 · 2024-08-26
MENDONCA ROGERIO
Officer
$331,577
@ $165.79 · 2024-08-23
HEHIR BRIAN P
Director
$141,534
@ $165.15 · 2024-08-23
GEBHARDT ERIC
Chief Technology Officer
$1.16M
@ $156.32 · 2024-08-14
THEOPHILUS NICOLE BETH
Officer
$742,419
@ $154.64 · 2024-08-07
HEHIR BRIAN P
Director
$161,615
@ $161.62 · 2024-07-31
SBROCCO GREGORY
Officer
$275,376
@ $167.30 · 2024-05-10
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 →TSLA
😐Neutral(51/100)
"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.
WAB
😏Greed(61/100)
"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
Learn more →TSLA
⚪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 (51)
WAB
⚪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 (61)