Ecolab is trading with a PEG ratio of 90.5, based on Jun 22, 2026 data. Dividing the 36.2 PE ratio by the 0.4% earnings growth rate yields this valuation metric.
Historically, Ecolab shows a PEG ratio averaging 9.84 across the past ten years. At 90.5, today's PEG ratio sits 820% above its historical average. The ten years high occurred in the Sep 2022 quarter at 121.87, reflecting maximum valuation relative to growth. The minimum was hit in the Mar 2022 quarter at 0.24, indicating optimal value relative to growth during that period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | N/A | 35.81 | -1.3% |
| 2024 | 0.58 | 31.54 | 54.1% |
| 2023 | 1.59 | 41.15 | 25.8% |
| 2022 | N/A | 38.01 | -3% |
| 2021 | 0.31 | 59.39 | 194% |
| 2020 | N/A | N/A | -177.6% |
| 2019 | 3.84 | 35.67 | 9.3% |
| 2018 | N/A | 29.77 | -4.8% |
| 2017 | 1.08 | 25.8 | 23.8% |
| 2016 | 1.15 | 27.91 | 24.3% |
| 2015 | N/A | 33.84 | -15.7% |
| 2014 | 1.08 | 26.06 | 24.1% |
| 2013 | 0.95 | 32.28 | 34% |
| 2012 | 1.26 | 29.83 | 23.6% |
| 2011 | N/A | 29.65 | -14.1% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 89.4 | 35.76 | 0.4% |
| Dec 2025 | N/A | 35.81 | -1.3% |
| Sep 2025 | N/A | 39.12 | -2.6% |
| Jun 2025 | 1.4 | 35.73 | 25.5% |
| Mar 2025 | 0.95 | 34.21 | 36% |
| Dec 2024 | 0.58 | 31.54 | 54.1% |
| Sep 2024 | 0.54 | 35.51 | 66.1% |
| Jun 2024 | 0.87 | 39.6 | 45.5% |
| Mar 2024 | 1.22 | 42.37 | 34.6% |
| Dec 2023 | 1.59 | 41.15 | 25.8% |
| Sep 2023 | 4.08 | 39.12 | 9.6% |
| Jun 2023 | 6.46 | 45.2 | 7% |
| Mar 2023 | 8.7 | 40.87 | 4.7% |
| Dec 2022 | N/A | 38.01 | -3% |
| Sep 2022 | 121.87 | 36.56 | 0.3% |
Measured against past performance, ECL's PEG ratio is higher than its 3, 5 and 10-year averages.
With a PEG of 90.5, ECL stands above the Basic Materials sector, the industry and its peers average.
Compared to its peer stocks PG and PPG, ECL's PEG ratio comes in higher. Ecolab's PEG ratio of 90.5 is above the peer average of 1.1.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| IFF International Flavors & Fragrances Inc | 0.11 | $19.39B |
| PPG Ppg Industries Inc | 0.34 | $26.51B |
| CHD Church & Dwight Co Inc | 1.05 | $22.21B |
| CLX Clorox Co | 1.44 | $10.96B |
| PG PROCTER & GAMBLE Co | 2.58 | $343.89B |
| ECL Ecolab Inc | 90.5 | $75.8B |
| MOS Mosaic Co | N/A | $6.99B |
| DD DuPont de Nemours Inc | N/A | $19.75B |
| NEU Newmarket Corp | N/A | $7.18B |
Based on Jun 22, 2026 data, ECL carries a PEG ratio of 90.5.
ECL has a 3-year average PEG ratio of 10.71.
ECL has a 5-year average PEG ratio of 14.49.
ECL's PEG ratio peaked at 121.87 during the Sep 2022 quarter - the highest in ten years.
Compared to the 10-year average, ECL's PEG ratio is 820% higher.
The elevated PEG ratio of 90.5 indicates that ECL may be overvalued relative to its earnings growth potential.
To calculate the PEG ratio, take the company's PE ratio and divide by its EPS growth (YoY TTM). As of Jun 22, 2026, Ecolab has a P/E ratio of 36.2. Earnings grew at 0.4% over the TTM period ending Mar 2026. Applying the formula, this produces a price to earnings growth ratio of 90.5. PEG RATIO(90.5) = PE RATIO(36.2) / EPS GROWTH(0.4%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.