AWK
American Water Works Co
PEG ratio, current and historical analysis
As of Nov 2, 2026, AWK's PEG ratio of 18.25 reflects its valuation relative to its growth rate. This result reflects a P/E ratio of 25.55 measured against EPS growth of 1.4%. When compared to the trailing 4-quarter average of 8.69, AWK's PEG ratio reflects a 110% increase.
AWK PEG ratio history
American Water Works Co's ten years historical PEG ratio has a mean of 5.94. Compared to historical data, AWK's 18.25 PEG ratio represents an increase of 207%. AWK hit its maximum PEG ratio of 72.28 during the Mar 2017 quarter over the last ten years. The Sep 2022 quarter marked the lowest reading at 0.25, indicating the most favorable growth-adjusted valuation.
American Water Works Co PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 4.09 | 22.93 | 5.6% |
| 2024 | 2.31 | 23.1 | 10% |
| 2023 | 3.13 | 26.94 | 8.6% |
| 2022 | N/A | 33.8 | -35.2% |
| 2021 | 0.35 | 27.14 | 78% |
| 2020 | 2.86 | 39.25 | 13.7% |
| 2019 | 4.01 | 35.71 | 8.9% |
| 2018 | 0.89 | 28.72 | 32.2% |
| 2017 | N/A | 38.28 | -9.1% |
| 2016 | N/A | 27.51 | -1.1% |
| 2015 | 1.77 | 22.46 | 12.7% |
| 2014 | 1.67 | 22.58 | 13.5% |
| 2013 | 8.13 | 20.32 | 2.5% |
| 2012 | 1.2 | 18.29 | 15.3% |
| 2011 | 1.21 | 18.1 | 15% |
American Water Works Co PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Sep 2026 | 16.03 | 22.44 | 1.4% |
| Jun 2026 | 5.7 | 22.8 | 4% |
| Mar 2026 | 8.94 | 24.13 | 2.7% |
| Dec 2025 | 4.09 | 22.93 | 5.6% |
| Sep 2025 | 1.9 | 24.46 | 12.9% |
| Jun 2025 | 1.88 | 25.06 | 13.3% |
| Mar 2025 | 2.32 | 26.87 | 11.6% |
| Dec 2024 | 2.31 | 23.1 | 10% |
| Sep 2024 | 6.31 | 29.02 | 4.6% |
| Jun 2024 | 11.46 | 26.36 | 2.3% |
| Mar 2024 | 3.07 | 24.84 | 8.1% |
| Dec 2023 | 3.13 | 26.94 | 8.6% |
| Sep 2023 | N/A | 25.69 | -33.6% |
| Jun 2023 | N/A | 29.8 | -33.1% |
| Mar 2023 | N/A | 32.2 | -35.9% |
AWK average PEG ratio chart
Measured against past performance, AWK's PEG ratio sits above the 3, 5 and 10-year averages.
PEG comparison
With a PEG of 18.25, AWK stands higher than the Utilities sector, the industry and its peers average.
AWK EPS growth
AWK Price vs fair value
AWK PEG vs peers
AWK reports a PEG ratio higher than that of peer stocks AWR and MSEX. At 18.25, American Water Works Co's PEG ratio is higher than the peer group average of 1.73.
Frequently asked questions
What is American Water Works Co's PEG ratio?
AWK's Nov 2, 2026 PEG ratio comes in at 18.25.
What is the 3-year average PEG ratio for American Water Works Co (AWK)?
Historical data over a 3-year period puts AWK's average PEG ratio at 5.6.
What is the 5-year average PEG ratio for American Water Works Co (AWK)?
Historical data over a 5-year period puts AWK's average PEG ratio at 4.27.
What is the highest PEG ratio for AWK?
In the last ten years, AWK's peak PEG ratio of 72.28 occurred in the Mar 2017 quarter.
How does the current PEG ratio for AWK compare to its historical average?
At present, AWK's PEG ratio is 207% higher than its 10-year historical average.
Why is American Water Works Co's PEG ratio so high?
When a company's earnings growth lags its valuation, the PEG ratio tends to be elevated - as seen with AWK's 18.25 reading.
How is AWK's PEG ratio calculated (American Water Works Co PEG ratio formula)?
Computing the PEG ratio involves dividing the PE ratio by the company's earnings per share growth (YoY TTM). As of Nov 2, 2026, American Water Works Co has a PE ratio of 25.55. Earnings grew at 1.4% over the TTM period ending Sep 2026. Applying the formula, this gives a PEG ratio of 18.25. PEG RATIO(18.25) = PE RATIO(25.55) / EPS GROWTH(1.4%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.