Based on the latest data from Aug 1, 2026, TRN's PEG ratio sits at 0.03. This metric combines a PE of 7.39 with an earnings growth rate of 258.5%.
Looking at the past nine years, TRN's PEG ratio has settled around 0.26 on average. At 0.03, today's PEG ratio sits 88% lower than its historical average. Within the past nine years, the Mar 2025 quarter saw the highest PEG reading at 2.38. At 0.03, the Sep 2022 quarter represented the lowest PEG ratio in this timeframe.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.1 | 8.45 | 85.2% |
| 2024 | 0.72 | 20.77 | 29% |
| 2023 | 0.26 | 20.3 | 79.5% |
| 2022 | N/A | 40.51 | -59.2% |
| 2021 | 0.07 | 16.87 | 240.9% |
| 2020 | N/A | N/A | -216.5% |
| 2019 | N/A | 20.32 | 0% |
| 2018 | N/A | 18.89 | -76.4% |
| 2017 | 0.08 | 8.11 | 105.3% |
| 2016 | N/A | 12.34 | -56.2% |
| 2015 | 0.26 | 4.67 | 18.2% |
| 2014 | 0.08 | 6.44 | 82.8% |
| 2013 | 0.23 | 11.45 | 48.8% |
| 2012 | 0.14 | 11.19 | 79.8% |
| 2011 | 0.16 | 16.89 | 107% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jun 2026 | 0.03 | 8.17 | 258.5% |
| Mar 2026 | 0.11 | 10.12 | 91.6% |
| Dec 2025 | 0.1 | 8.45 | 85.2% |
| Sep 2025 | N/A | 23.76 | -44.1% |
| Jun 2025 | N/A | 22.89 | -41% |
| Mar 2025 | 2.38 | 16.9 | 7.1% |
| Dec 2024 | 0.72 | 20.77 | 29% |
| Sep 2024 | 0.13 | 16.51 | 131.9% |
| Jun 2024 | 0.14 | 14.96 | 108.3% |
| Mar 2024 | 0.19 | 17.97 | 96.2% |
| Dec 2023 | 0.26 | 20.3 | 79.5% |
| Sep 2023 | N/A | 26.76 | -45.8% |
| Jun 2023 | N/A | 26.78 | -43.2% |
| Mar 2023 | N/A | 30.84 | -55.4% |
| Dec 2022 | N/A | 40.51 | -59.2% |
When comparing to historical data, TRN's PEG ratio comes in under the 3, 5 and 10-year averages.
With a PEG of 0.03, TRN ranks lower than the Industrials sector and the industry average. In comparison with the Industrials sector average of 1.1, Trinity Industries's PEG is 97% lower.
TRN carries a PEG ratio lower than that of peer stocks WAB and RAIL.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| TRN Trinity Industries Inc | 0.03 | $2.58B |
| RAIL FreightCar America Inc | 0.05 | $152.52M |
| WAB Westinghouse Air Brake Technologies Corp | 3.6 | $49.37B |
| GBX Greenbrier Companies Inc | N/A | $1.55B |
| CAT Caterpillar Inc | N/A | $370.74B |
| IEP Icahn Enterprises L P | N/A | $5.2B |
According to Aug 1, 2026 figures, TRN's PEG ratio stands at 0.03.
TRN shows a 3-year average PEG ratio of 0.45.
TRN shows a 5-year average PEG ratio of 0.33.
TRN's PEG ratio topped out at 2.38 during the Mar 2025 quarter - the highest in nine years.
TRN currently has a PEG ratio 88% below its 9-year average.
At 0.03, TRN's PEG ratio suggests the stock may be undervalued given its growth rate.
The PEG ratio derives from taking PE and dividing by the rate at which earnings are growing (YoY TTM). As of Aug 1, 2026, Trinity Industries carries a PE ratio of 7.39. Earnings grew at 258.5% over the TTM period ending Jun 2026. Applying the formula, this yields a PEG ratio of 0.03. PEG RATIO(0.03) = PE RATIO(7.39) / EPS GROWTH(258.5%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.