Equity

Is WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (WAB) undervalued?

$279.10−1.46% todayNYSE · USD · last traded 2026-09-14 18:53 UTC

WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP trades on a P/E of 40.86 against earnings growth of 25.4% a year over the last 3 years, giving a PEG ratio of 1.61 — between the 1.0 and 2.0 levels that convention treats as the middle ground.

Earnings figures are measured from WAB’s filed annual accounts, not estimated. PEG compares price to earnings growth alone — it says nothing about debt, cash generation, or what an acquirer would pay. Read it alongside the figures below rather than on its own.

PEG ratio1.61
01.02.03.0+
Convention reads below 1.0 as inexpensive relative to growth and above 2.0 as expensive, though typical ranges differ sharply by sector.
P/E ratio40.86
earnings growth (3-year CAGR)25.4%
PEG ratio1.61
Measured from WAB's filed annual accounts. Trailing, not forecast.
01

What it would cost to buy WAB

Enterprise value is what it would cost to take the whole company: every share at today’s price, plus the debt an acquirer assumes, less the cash they receive. For WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP that is $54.70B.

Every term below is a line item from a filed statement. The numbers beside each one open the filing it came from — balance-sheet figures arrive already scaled, so there is no “in thousands” to catch you out.

168.9M shares · 10-Q cover page

market capitalisation$47.14B
total debt$8.23B
cash & equivalents$670.0M
enterprise value$54.70B
Balance-sheet terms as reported to 2026-06-30.
Enterprise-value multiples for WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP
MeasureValue
Diluted earnings per shareto 2025-12-31$6.83
P/E ratioto 2025-12-3140.9
Earnings growth (3-year CAGR)to 2025-12-3125.4%
PEG ratioto 2025-12-311.6
Market capitalisationto 2026-07-17$47.14B
Total debtto 2026-06-30$8.23B
Net debtto 2026-06-30$7.56B
Enterprise valueto 2026-06-30$54.70B
EBITDAto 2025-12-31$2.29B
Free cash flowto 2025-12-31$1.50B
EV / EBITDAto 2025-12-3123.8×
EV / Salesto 2025-12-314.9×
Free cash flow yieldto 2025-12-313.2%
Net debt / EBITDAto 2025-12-313.3×
Return on capital employedto 2025-12-319.2%

Earnings growth is measured across WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP’s own filed annual accounts. PEG conventionally uses forecast growth from analyst estimates; filings contain only history, so this is trailing growth and will read differently from a PEG quoted elsewhere.

02

Against the sector

WAB against 14 listed companies sharing its classification — Motor Vehicles & Passenger Car Bodies and related industries. A multiple means little on its own; the column that matters is the gap.

WAB compared with the median of 14 sector peers
MeasureWABSector medianDifference
EV / EBITDA*23.8×14.9×+9.0×
EV / Sales*4.9×1.9×+3.0×
Net debt / EBITDA3.3×1.8×+1.5×
Return on capital employed9.2%8.4%+0.8%
Operating margin16.1%5.8%+10.3%
Free cash flow margin13.4%7.5%+5.9%
Compared against

APTV, BA, F, GD, GM, HII, HON, HONA, LMT, PCAR, RTX, TDG, TSLA, TXT.

Medians are taken across peers where the measure could be computed, so the sample differs by row. Green marks the direction conventionally read as cheaper or stronger — it is a direction, not a recommendation. * Price-based multiples move with the market; peer figures are a snapshot taken 2026-09-09. The remaining rows come from filed statements and hold until the next reporting season.

03

Market ratios

Price-based ratios from market data. Anything drawn from a filed statement is in the enterprise-value section above, with its source.

Valuation and financial-health metrics for WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (WAB)
MetricValue
Price$279.10
PEGY ratio
Dividend yield0.44%
Price / book
Price / sales
Return on equity11.5%
Profit margin
Operating margin
Debt / equity58.60
Current ratio
Beta0.92
52-week range$184.26 – $306.64

Not reported for WAB: pegy ratio, price / book, price / sales, profit margin, operating margin, current ratio. A dash means the figure was not available from the source, not that it is zero.

04

Compare and chart

Compare WAB vs Competitors

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05

About WAB’s valuation

What is the PEG ratio for WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (WAB)?
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP has a PEG ratio of 1.61, from a P/E of 40.86 and earnings growth of 25.4% a year measured across 3 years of filed accounts. That is between the 1.0 and 2.0 levels that convention treats as the middle ground. Note that PEG is conventionally quoted against forecast growth; this uses reported history, so it will differ from a PEG you see elsewhere.
Is WAB undervalued right now?
That depends on the measure. On PEG, WAB reads 1.61, between the 1.0 and 2.0 levels that convention treats as the middle ground. The PEG ratio compares price to earnings growth alone — it ignores debt, cash generation and asset backing, so it is a starting point rather than a conclusion. The enterprise-value measures above account for debt and cash; they often tell a different story.
What is the PEGY ratio for WAB?
The PEGY ratio for WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP is —. PEGY adds the dividend yield of 0.44% to the growth rate in the denominator, which gives a fairer reading of companies returning cash as income rather than growth.
Where do these WAB figures come from?
Market price and capitalisation come from live market data; earnings, growth and dividend figures come from WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP's published financial statements. Every derived ratio on this page shows the arithmetic that produced it.

This page describes published financial data. It is not investment advice and makes no recommendation to buy or sell WAB.