DCI
Donaldson Co
PEG ratio, current and historical analysis
- Stocks
- Industrials
- NYSE: DCI
- PEG Ratio
Donaldson Co currently trades with a PEG ratio of 1.04, based on Aug 3, 2026 data. Dividing the 25.47 PE ratio by the 24.4% earnings growth rate produces this figure.
DCI PEG ratio history
Historically, Donaldson Co has a PEG ratio averaging 1.5 across the last ten years. At 1.04, today's PEG ratio sits 31% less than its historical average. The ten years high came in the Apr 2021 quarter at 4.2, reflecting peak valuation relative to growth. The bottom was reached in the Jan 2019 quarter at 0.16, suggesting attractive value relative to growth during that period.
Donaldson Co PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | N/A | 23.29 | -9.9% |
| 2024 | 1.34 | 21.81 | 16.3% |
| 2023 | 2.2 | 21.3 | 9.7% |
| 2022 | 1.09 | 20.23 | 18.5% |
| 2021 | 2.47 | 29.16 | 11.8% |
| 2020 | N/A | 23.81 | -2.4% |
| 2019 | 0.47 | 24.01 | 50.7% |
| 2018 | N/A | 34.57 | -21.6% |
| 2017 | 1.17 | 26.98 | 23.1% |
| 2016 | N/A | 25.27 | -5.3% |
| 2015 | N/A | 22.25 | -15.6% |
| 2014 | 3.01 | 21.67 | 7.2% |
| 2013 | N/A | 21.71 | -5.1% |
| 2012 | 0.95 | 19.39 | 20.5% |
| 2011 | 0.52 | 18.97 | 36.4% |
Donaldson Co PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Apr 2026 | 0.96 | 23.39 | 24.4% |
| Jan 2026 | N/A | 31.46 | -6.9% |
| Oct 2025 | N/A | 26 | -7.4% |
| Jul 2025 | N/A | 23.29 | -9.9% |
| Apr 2025 | N/A | 21.69 | -7.6% |
| Jan 2025 | 1.72 | 20.46 | 11.9% |
| Oct 2024 | 1.25 | 20.9 | 16.7% |
| Jul 2024 | 1.34 | 21.81 | 16.3% |
| Apr 2024 | 2.45 | 22.01 | 9% |
| Jan 2024 | 3.01 | 20.77 | 6.9% |
| Oct 2023 | 2.43 | 19.22 | 7.9% |
| Jul 2023 | 2.2 | 21.3 | 9.7% |
| Apr 2023 | 1.14 | 21.11 | 18.5% |
| Jan 2023 | 1.47 | 21.43 | 14.6% |
| Oct 2022 | 1.31 | 20.67 | 15.8% |
DCI average PEG ratio chart
When comparing to historical data, DCI's PEG ratio is lower than the 3, 5 and 10-year averages.
PEG comparison
With a PEG of 1.04, DCI stands lower than the Industrials sector and the industry average. Looking at the Industrials sector average of 1.12, Donaldson Co's PEG is 7% lower.
DCI EPS growth
DCI Price vs fair value
DCI PEG vs peers
Relative to its peer stock PH, DCI's PEG ratio is lower.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| DCI Donaldson Co. Inc | 1.07 | $11.4B |
| PH Parker-Hannifin Corp | 8.63 | $125.62B |
| ENTG Entegris Inc | N/A | $21.68B |
| FTEK Fuel Tech Inc | N/A | $47.37M |
| CAT Caterpillar Inc | N/A | $407.1B |
Frequently asked questions
What is Donaldson Co's PEG ratio?
Based on Aug 3, 2026 data, DCI has a PEG ratio of 1.04.
What is the 3-year average PEG ratio for Donaldson Co (DCI)?
Across the past 3 years, DCI's PEG ratio has averaged at 1.88.
What is the 5-year average PEG ratio for Donaldson Co (DCI)?
Across the past 5 years, DCI's PEG ratio has averaged at 1.55.
What is the highest PEG ratio for DCI?
DCI's PEG ratio topped out at 4.2 during the Apr 2021 quarter - the highest in ten years.
How does the current PEG ratio for DCI compare to its historical average?
Compared to the 10-year average, DCI's PEG ratio stands 31% lower.
How is DCI's PEG ratio calculated (Donaldson Co PEG ratio formula)?
To calculate the PEG ratio, take the company's PE ratio and divide by its earnings per share growth (YoY TTM). As of Aug 3, 2026, Donaldson Co has a PE ratio of 25.47. Earnings grew at 24.4% over the TTM period ending Apr 2026. Applying the formula, this gives a PEG ratio of 1.04. PEG RATIO(1.04) = PE RATIO(25.47) / EPS GROWTH(24.4%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.