Gatx is trading with a PEG ratio of 1.03, based on Jul 2, 2026 data. Dividing the 18.59 PE ratio by the 18.1% earnings growth rate yields this valuation metric. The PEG ratio remains essentially unchanged from its four-quarter trailing average.
Historically, Gatx has a PEG ratio averaging 0.91 across the past ten years. At 1.03, today's PEG ratio sits 13% more than its historical average. The ten years high occurred in the Jun 2024 quarter at 3.18, reflecting maximum valuation relative to growth. The minimum was hit in the Mar 2018 quarter at 0.04, indicating optimal value relative to growth during that period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 1.08 | 18.56 | 17.2% |
| 2024 | 2.11 | 19.87 | 9.4% |
| 2023 | 0.27 | 16.86 | 61.7% |
| 2022 | 2.62 | 24.11 | 9.2% |
| 2021 | N/A | 25.79 | -6.7% |
| 2020 | N/A | 19.21 | -26.9% |
| 2019 | 2.64 | 13.99 | 5.3% |
| 2018 | N/A | 12.6 | -56.6% |
| 2017 | 0.05 | 4.8 | 103.9% |
| 2016 | 0.29 | 9.7 | 33.4% |
| 2015 | 1.94 | 8.94 | 4.6% |
| 2014 | 0.51 | 12.65 | 25% |
| 2013 | 0.59 | 14.33 | 24.2% |
| 2012 | 0.65 | 14.78 | 22.6% |
| 2011 | 0.5 | 18.27 | 36.6% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 1.01 | 18.28 | 18.1% |
| Dec 2025 | 1.08 | 18.56 | 17.2% |
| Sep 2025 | 1.45 | 20.4 | 14.1% |
| Jun 2025 | 0.51 | 17.53 | 34.6% |
| Mar 2025 | 1.57 | 19.63 | 12.5% |
| Dec 2024 | 2.11 | 19.87 | 9.4% |
| Sep 2024 | 1.55 | 17.64 | 11.4% |
| Jun 2024 | 3.18 | 20.33 | 6.4% |
| Mar 2024 | 0.33 | 19.07 | 58% |
| Dec 2023 | 0.27 | 16.86 | 61.7% |
| Sep 2023 | 0.38 | 16.15 | 42.2% |
| Jun 2023 | 0.99 | 21.04 | 21.2% |
| Mar 2023 | N/A | 24.72 | -13.4% |
| Dec 2022 | 2.62 | 24.11 | 9.2% |
| Sep 2022 | 0.27 | 17.96 | 66.9% |
When comparing to historical data, GATX's PEG ratio sits above its 10-year average, yet it is lower than the 3 and 5-year averages.
Gatx's PEG of 1.03 is below the Industrials sector and the industry average. Looking at its Industrials sector average of 1.13, Gatx's PEG is 9% lower.
GATX has a PEG ratio below that of peer stock WLFC.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| GATX Gatx Corp | 1.03 | $6.17B |
| WLFC Willis Lease Finance Corp | 1.04 | $1.6B |
GATX shows a PEG ratio of 1.03, per Jul 2, 2026 data.
GATX's 3-year PEG ratio average is 1.22.
GATX's 5-year PEG ratio average is 1.16.
The Jun 2024 quarter marked the ten years high at 3.18 for GATX's PEG ratio.
Compared to the 10-year average, GATX's PEG ratio is 13% higher.
To calculate the PEG ratio, take the company's PE ratio and divide by its earnings per share growth (YoY TTM). As of Jul 2, 2026, Gatx has a P/E ratio of 18.59. Earnings grew at 18.1% over the TTM period ending Mar 2026. Applying the formula, this gives a price to earnings growth ratio of 1.03. PEG RATIO(1.03) = PE RATIO(18.59) / EPS GROWTH(18.1%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.