SWX currently has a PEG ratio reading of 0.06 as of Aug 21, 2026. This metric factors in a PE of 12.38 with an earnings growth rate of 210.8%. When compared to the trailing four-quarter average of 0.1, SWX's PEG ratio shows a 41% decrease.
A ten years lookback shows an average PEG ratio of 1.71 for Southwest Gas Holdings. Compared to historical data, SWX's 0.06 PEG ratio represents a decrease of 96%. Within the last ten years, the Mar 2017 quarter recorded the highest PEG value at 11.74. At 0.06, the Jun 2026 quarter showed the minimum PEG ratio in this period.
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.11 | 13.14 | 119.9% |
| 2024 | 0.85 | 25.53 | 30% |
| 2023 | 0.18 | 29.74 | 168.7% |
| 2022 | N/A | N/A | -191.4% |
| 2021 | N/A | 20.66 | -18.3% |
| 2020 | 2.76 | 14.64 | 5.3% |
| 2019 | 2.84 | 19.28 | 6.8% |
| 2018 | N/A | 20.73 | -8.7% |
| 2017 | 0.76 | 19.92 | 26.3% |
| 2016 | 2.72 | 23.94 | 8.8% |
| 2015 | N/A | 18.76 | -3.3% |
| 2014 | N/A | 20.33 | -3.2% |
| 2013 | 2.05 | 17.81 | 8.7% |
| 2012 | 0.82 | 14.67 | 18% |
| 2011 | 2.48 | 17.34 | 7% |
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jun 2026 | 0.06 | 12.35 | 210.8% |
| Mar 2026 | 0.15 | 14.39 | 93% |
| Dec 2025 | 0.11 | 13.14 | 119.9% |
| Sep 2025 | 0.09 | 12.93 | 142.4% |
| Jun 2025 | N/A | 32.2 | -9.4% |
| Mar 2025 | 1.4 | 22.94 | 16.4% |
| Dec 2024 | 0.85 | 25.53 | 30% |
| Sep 2024 | 0.16 | 29.5 | 178.9% |
| Jun 2024 | 0.16 | 27.6 | 175% |
| Mar 2024 | 0.17 | 28.3 | 169% |
| Dec 2023 | 0.18 | 29.74 | 168.7% |
| Sep 2023 | N/A | N/A | -228.9% |
| Jun 2023 | N/A | N/A | -238.8% |
| Mar 2023 | N/A | N/A | -230.9% |
| Dec 2022 | N/A | N/A | -191.4% |
SWX's PEG ratio today is below the 3, 5 and 10-year averages.
Southwest Gas Holdings's PEG of 0.06 is below the Utilities sector, the industry and its peers average. Compared to its Utilities sector average of 1.31, Southwest Gas Holdings's PEG is 95% lower.
SWX has a PEG ratio below that of peer stocks OKE and ATO. With a PEG ratio of 0.06, Southwest Gas Holdings stands lower than the 0.93 peer average.
SWX shows a PEG ratio of 0.06, per Aug 21, 2026 data.
Historical data over a 3-year period places SWX's average PEG ratio at 0.33.
Historical data over a 5-year period places SWX's average PEG ratio at 0.75.
The Mar 2017 quarter marked the ten years high at 11.74 for SWX's PEG ratio.
SWX currently has a PEG ratio 96% below its 10-year average.
Strong earnings growth relative to valuation produces SWX's low PEG ratio of 0.06.
To calculate the PEG ratio, take the company's PE ratio and divide by its EPS growth (YoY TTM). As of Aug 21, 2026, Southwest Gas Holdings has a P/E ratio of 12.38. Earnings grew at 210.8% over the TTM period ending Jun 2026. Applying the formula, this produces a price to earnings growth ratio of 0.06. PEG RATIO(0.06) = PE RATIO(12.38) / EPS GROWTH(210.8%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.