As of Jun 22, 2026, OGS's PE to growth ratio of 2.45 reflects its valuation relative to its growth. This value reflects a P/E ratio of 17.18 measured against EPS growth of 7.0%. When compared to the trailing four-quarter average of 2.09, OGS's PEG ratio shows a 17% increase.
OGS PEG ratio history
ONE Gas's ten years historical PEG ratio has a mean of 4.89. Compared to historical data, OGS's 2.45 PEG ratio represents a decrease of 50%. OGS reached its maximum PEG ratio of 44.4 during the Jun 2019 quarter over the past ten years. The Mar 2017 quarter had the bottom reading at 1, indicating the most optimal growth-adjusted valuation.
ONE Gas PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 1.47 | 17.6 | 12% |
| 2024 | N/A | 17.67 | -5.8% |
| 2023 | 9.01 | 15.32 | 1.7% |
| 2022 | 2.99 | 18.51 | 6.2% |
| 2021 | 4.91 | 20.15 | 4.1% |
| 2020 | 4.32 | 20.75 | 4.8% |
| 2019 | 3.31 | 26.51 | 8% |
| 2018 | 4.43 | 24.34 | 5.5% |
| 2017 | 1.47 | 23.63 | 16.1% |
| 2016 | 1.32 | 23.96 | 18.1% |
| 2015 | 2.92 | 22.2 | 7.6% |
| 2014 | 1.87 | 19.63 | 10.5% |
| 2013 | N/A | N/A | 3.3% |
| 2012 | N/A | N/A | N/A |
| 2011 | N/A | N/A | N/A |
ONE Gas PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 2.77 | 19.36 | 7% |
| Dec 2025 | 1.47 | 17.6 | 12% |
| Sep 2025 | 1.54 | 18.78 | 12.2% |
| Jun 2025 | 2.59 | 17.07 | 6.6% |
| Mar 2025 | 7.27 | 18.17 | 2.5% |
| Dec 2024 | N/A | 17.67 | -5.8% |
| Sep 2024 | N/A | 19.38 | -6.8% |
| Jun 2024 | N/A | 16.16 | -3.9% |
| Mar 2024 | N/A | 15.89 | -1.2% |
| Dec 2023 | 9.01 | 15.32 | 1.7% |
| Sep 2023 | 4.73 | 16.57 | 3.5% |
| Jun 2023 | 3.89 | 18.69 | 4.8% |
| Mar 2023 | 3.38 | 19.28 | 5.7% |
| Dec 2022 | 2.99 | 18.51 | 6.2% |
| Sep 2022 | 4.54 | 17.69 | 3.9% |
OGS average PEG ratio chart
When comparing to historical data, OGS's PEG ratio is lower than the 3, 5 and 10-year averages.
PEG comparison
ONE Gas's PEG of 2.45 is above the Utilities sector, the industry and its peers average. Looking at its Utilities sector average of 1.29, ONE Gas's PEG is 90% higher.
OGS EPS growth
OGS Price vs fair value
OGS PEG vs peers
Compared to its peers, OGS has a PEG ratio lower than stocks CNP and RGCO, while greater than ATO's and NWN's. With a PEG ratio of 2.45, ONE Gas stands higher than the 2.04 peer average.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| NWN Northwest Natural Holding Co | 1.07 | $2.09B |
| ATO Atmos Energy Corp | 1.5 | $28.78B |
| OGS ONE Gas Inc | 2.51 | $4.92B |
| RGCO Rgc Resources Inc | 2.81 | $250.71M |
| CNP Centerpoint Energy Inc | 2.83 | $28.36B |
Frequently asked questions
What is ONE Gas's PEG ratio?
Based on Jun 22, 2026 data, OGS has a PEG ratio of 2.45.
What is the 3-year average PEG ratio for ONE Gas (OGS)?
Over the last 3 years, OGS's PEG ratio has averaged at 4.16.
What is the 5-year average PEG ratio for ONE Gas (OGS)?
Over the last 5 years, OGS's PEG ratio has averaged at 4.5.
What is the highest PEG ratio for OGS?
OGS's PEG ratio peaked at 44.4 during the Jun 2019 quarter - the highest in ten years.
How does the current PEG ratio for OGS compare to its historical average?
Currently, OGS's PEG ratio is 50% lower than its 10-year historical average.
Why is ONE Gas's PEG ratio so high?
A 2.45 PEG ratio for OGS suggests the stock is priced at a premium relative to its growth trajectory.
How is OGS's PEG ratio calculated (ONE Gas PEG ratio formula)?
The PEG ratio comes from taking PE and dividing by the rate at which earnings are growing (YoY TTM). As of Jun 22, 2026, ONE Gas has a P/E ratio of 17.18. Earnings grew at 7.0% over the TTM period ending Mar 2026. Applying the formula, this gives a price to earnings growth ratio of 2.45. PEG RATIO(2.45) = PE RATIO(17.18) / EPS GROWTH(7.0%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.