WAB
Westinghouse Air Brake Technologies
PEG ratio, current and historical analysis
- Stocks
- Industrials
- NYSE: WAB
- PEG Ratio
As of Jul 13, 2026, WAB's PEG ratio of 3.48 reflects its valuation relative to its growth rate. This result reflects a P/E ratio of 36.9 measured against EPS growth of 10.6%. When benchmarked against the trailing 4-quarter average of 2.38, WAB's PEG ratio reflects a 47% increase.
WAB PEG ratio history
Westinghouse Air Brake Technologies's nine years historical PEG ratio averages out to 1.79. Compared to historical data, WAB's 3.48 PEG ratio represents an increase of 94%. WAB hit its maximum PEG ratio of 6.68 during the Jun 2018 quarter over the last nine years. The Sep 2020 quarter marked the lowest reading at 0.32, indicating the most attractive growth-adjusted valuation.
Westinghouse Air Brake Technologies PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 2.38 | 31.21 | 13.1% |
| 2024 | 0.94 | 31.34 | 33.3% |
| 2023 | 0.9 | 27.95 | 31.2% |
| 2022 | 1.71 | 28.85 | 16.9% |
| 2021 | 0.87 | 31.12 | 35.8% |
| 2020 | 2.38 | 33.58 | 14.1% |
| 2019 | N/A | 40.73 | -37.6% |
| 2018 | 1.96 | 22.96 | 11.7% |
| 2017 | N/A | 29.72 | -18.7% |
| 2016 | N/A | 24.64 | -18.6% |
| 2015 | 1.31 | 17.18 | 13.1% |
| 2014 | 1.19 | 23.74 | 20% |
| 2013 | 1.48 | 24.35 | 16.4% |
| 2012 | 0.35 | 16.71 | 48% |
| 2011 | 0.52 | 19.76 | 38.3% |
Westinghouse Air Brake Technologies PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 3.33 | 35.35 | 10.6% |
| Dec 2025 | 2.38 | 31.21 | 13.1% |
| Sep 2025 | 1.99 | 29.1 | 14.6% |
| Jun 2025 | 1.8 | 31.2 | 17.3% |
| Mar 2025 | 1.17 | 28.38 | 24.3% |
| Dec 2024 | 0.94 | 31.34 | 33.3% |
| Sep 2024 | 0.7 | 30.24 | 43.1% |
| Jun 2024 | 0.52 | 27.63 | 52.9% |
| Mar 2024 | 0.66 | 28.34 | 43.2% |
| Dec 2023 | 0.9 | 27.95 | 31.2% |
| Sep 2023 | 1.51 | 25.3 | 16.7% |
| Jun 2023 | 3.02 | 29.32 | 9.7% |
| Mar 2023 | 2.07 | 28.15 | 13.6% |
| Dec 2022 | 1.71 | 28.85 | 16.9% |
| Sep 2022 | 0.46 | 22.6 | 49.4% |
WAB average PEG ratio chart
Measured against past performance, WAB's PEG ratio is above the 3, 5 and 10-year averages.
PEG comparison
With a PEG of 3.48, WAB ranks higher than the Industrials sector and the industry average. In comparison with the Industrials sector average of 1.13, Westinghouse Air Brake Technologies's PEG is 208% higher.
WAB EPS growth
WAB Price vs fair value
WAB PEG vs peers
WAB carries a PEG ratio higher than that of peer stocks GE and TRN.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| RAIL FreightCar America Inc | 0.04 | $150.04M |
| TRN Trinity Industries Inc | 0.13 | $2.9B |
| GE General Electric Co | 1.65 | $368.74B |
| WAB Westinghouse Air Brake Technologies Corp | 3.48 | $44.26B |
| GBX Greenbrier Companies Inc | N/A | $1.49B |
Frequently asked questions
What is Westinghouse Air Brake Technologies's PEG ratio?
According to Jul 13, 2026 figures, WAB's PEG ratio stands at 3.48.
What is the 3-year average PEG ratio for Westinghouse Air Brake Technologies (WAB)?
Historical data over a 3-year period puts WAB's average PEG ratio at 1.45.
What is the 5-year average PEG ratio for Westinghouse Air Brake Technologies (WAB)?
Historical data over a 5-year period puts WAB's average PEG ratio at 1.4.
What is the highest PEG ratio for WAB?
WAB's PEG ratio topped out at 6.68 during the Jun 2018 quarter - the highest in nine years.
How does the current PEG ratio for WAB compare to its historical average?
At present, WAB's PEG ratio runs 94% higher than its 9-year historical average.
Why is Westinghouse Air Brake Technologies's PEG ratio so high?
The elevated PEG ratio of 3.48 indicates that WAB may be priced above its earnings growth potential.
How is WAB's PEG ratio calculated (Westinghouse Air Brake Technologies PEG ratio formula)?
To calculate the PEG ratio, take the company's PE ratio and divide by its EPS growth rate (YoY TTM). As of Jul 13, 2026, Westinghouse Air Brake Technologies carries a PE ratio of 36.9. Earnings grew at 10.6% over the TTM period ending Mar 2026. Applying the formula, this yields a PEG ratio of 3.48. PEG RATIO(3.48) = PE RATIO(36.9) / EPS GROWTH(10.6%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.