Spire is trading with a PEG ratio of 0.09, based on Aug 21, 2026 data. Dividing the 9.01 PE ratio by the 96.1% earnings growth rate yields this valuation metric. Relative to the 1.5 average from the past 4 quarters, the PEG ratio has shrunk by 94%.
SR PEG ratio history
Historically, Spire maintains a PEG ratio averaging 2.99 across the past ten years. At 0.09, today's PEG ratio sits 97% lower than its historical average. The ten years high occurred in the Mar 2025 quarter at 19.51, reflecting maximum valuation relative to growth. The minimum was hit in the Jun 2021 quarter at 0.05, indicating optimal value relative to growth during that period.
Spire PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 4.13 | 18.57 | 4.5% |
| 2024 | 1.82 | 16.02 | 8.8% |
| 2023 | N/A | 14.66 | -2.5% |
| 2022 | N/A | 15.74 | -20.3% |
| 2021 | 0.05 | 12.31 | 245.1% |
| 2020 | N/A | 36.94 | -59.2% |
| 2019 | N/A | 24.71 | -18.9% |
| 2018 | 0.64 | 16.91 | 26.5% |
| 2017 | 3.95 | 21.7 | 5.5% |
| 2016 | 6.11 | 19.55 | 3.2% |
| 2015 | 0.51 | 17.26 | 33.9% |
| 2014 | 1.21 | 19.66 | 16.3% |
| 2013 | N/A | 22.17 | -27.5% |
| 2012 | N/A | 15.36 | -2.4% |
| 2011 | 0.75 | 13.5 | 18.1% |
Spire PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Jun 2026 | 0.09 | 8.7 | 96.1% |
| Mar 2026 | 0.38 | 15.88 | 42.1% |
| Dec 2025 | 1.38 | 17.94 | 13% |
| Sep 2025 | 4.13 | 18.57 | 4.5% |
| Jun 2025 | 1.63 | 15.94 | 9.8% |
| Mar 2025 | 19.51 | 19.51 | 1% |
| Dec 2024 | 1.66 | 16.63 | 10% |
| Sep 2024 | 1.82 | 16.02 | 8.8% |
| Jun 2024 | N/A | 14.56 | -3% |
| Mar 2024 | N/A | 15.46 | -15.2% |
| Dec 2023 | N/A | 16.8 | -19.7% |
| Sep 2023 | N/A | 14.66 | -2.5% |
| Jun 2023 | 1.48 | 14.75 | 10% |
| Mar 2023 | 0.95 | 14.99 | 15.8% |
| Dec 2022 | 2.22 | 14.9 | 6.7% |
SR average PEG ratio chart
Measured against past performance, SR's PEG ratio comes in under the 3, 5 and 10-year averages.
PEG comparison
Spire's PEG of 0.09 is below the Utilities sector and the industry average. In comparison with its Utilities sector average of 1.31, Spire's PEG is 93% lower.
SR EPS growth
SR Price vs fair value
SR PEG vs peers
Among its peer stocks DLX and EBF, SR's PEG ratio comes in lower.
Frequently asked questions
What is Spire's PEG ratio?
According to Aug 21, 2026 data, SR's PEG ratio sits at 0.09.
What is the 3-year average PEG ratio for Spire (SR)?
SR's 3-year PEG ratio average comes in at 3.83.
What is the 5-year average PEG ratio for Spire (SR)?
SR's 5-year PEG ratio average comes in at 2.56.
What is the highest PEG ratio for SR?
SR's PEG ratio peaked at 19.51 during the Mar 2025 quarter - the highest in ten years.
How does the current PEG ratio for SR compare to its historical average?
Compared to the 10-year average, SR's PEG ratio is 97% lower.
Why is Spire's PEG ratio so low?
Strong earnings growth relative to valuation produces SR's low PEG ratio of 0.09.
How is SR's PEG ratio calculated (Spire PEG ratio formula)?
PEG equals PE divided by EPS growth rate (YoY TTM). As of Aug 21, 2026, Spire carries a P/E ratio of 9.01. Earnings grew at 96.1% over the TTM period ending Jun 2026. Applying the formula, this yields a price to earnings growth ratio of 0.09. PEG RATIO(0.09) = PE RATIO(9.01) / EPS GROWTH(96.1%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.