SR vs. ATO
SR (Spire Inc.) and ATO (Atmos Energy Corporation) are both stocks. Both operate in the Utilities - Regulated Gas industry within the Utilities sector. Over the past 10 years, SR returned 4.91%/yr vs 10.80%/yr for ATO. At a 0.45 correlation, their price movements are largely independent.
Performance
SR vs. ATO - Performance Comparison
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Returns By Period
In the year-to-date period, SR achieves a -6.37% return, which is significantly lower than ATO's 2.31% return. Over the past 10 years, SR has underperformed ATO with an annualized return of 4.91%, while ATO has yielded a comparatively higher 10.80% annualized return.
SR
- 1D
- -1.44%
- 1M
- -11.80%
- YTD
- -6.37%
- 6M
- -6.45%
- 1Y
- 8.45%
- 3Y*
- 11.41%
- 5Y*
- 5.99%
- 10Y*
- 4.91%
ATO
- 1D
- -0.31%
- 1M
- -4.08%
- YTD
- 2.31%
- 6M
- 2.48%
- 1Y
- 12.91%
- 3Y*
- 16.83%
- 5Y*
- 14.55%
- 10Y*
- 10.80%
SR vs. ATO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SR Spire Inc. | -6.37% | 27.08% | 14.12% | -5.26% | 9.81% | 5.86% | -20.18% | 15.81% | 1.74% | 19.88% |
ATO Atmos Energy Corporation | 2.31% | 23.07% | 23.35% | 6.17% | 9.63% | 12.75% | -12.73% | 23.14% | 10.39% | 18.41% |
Correlation
The correlation between SR and ATO is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.66 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.66 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.68 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.71 |
Correlation (All Time) Calculated using the full available price history since Nov 5, 1987 | 0.45 |
Over the past year, SR and ATO have become more correlated (0.66) than their long-term average of 0.45, meaning their price movements have been converging.
Fundamentals
SR:
$4.50B
ATO:
$28.46B
SR:
$6.06
ATO:
$8.23
SR:
12.53
ATO:
20.61
SR:
1.81
ATO:
5.68
SR:
1.32
ATO:
0.99
SR:
$2.47B
ATO:
$4.88B
SR:
$1.81B
ATO:
$1.61B
SR:
$721.80M
ATO:
$2.57B
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Return for Risk
SR vs. ATO — Risk / Return Rank
SR
ATO
SR vs. ATO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Spire Inc. (SR) and Atmos Energy Corporation (ATO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| SR | ATO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.38 | ||
| Sortino ratioReturn per unit of downside risk | -0.51 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.15 | -0.06 |
| Calmar ratioReturn relative to maximum drawdown | 0.44 | 1.03 | -0.59 |
| Martin ratioReturn relative to average drawdown | 1.40 | 2.90 | -1.50 |
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Drawdowns
SR vs. ATO - Drawdown Comparison
The maximum SR drawdown since its inception was -45.00%, smaller than the maximum ATO drawdown of -51.94%. Use the drawdown chart below to compare losses from any high point for SR and ATO.
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Drawdown Indicators
| SR | ATO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.00% | -51.94% | +6.94% |
Max Drawdown (1Y)Largest decline over 1 year | -19.39% | -12.58% | -6.81% |
Max Drawdown (3Y)Largest decline over 3 years | -19.39% | -16.87% | -2.52% |
Max Drawdown (5Y)Largest decline over 5 years | -26.05% | -19.08% | -6.97% |
Max Drawdown (10Y)Largest decline over 10 years | -39.53% | -32.91% | -6.62% |
Current DrawdownCurrent decline from peak | -19.39% | -11.31% | -8.08% |
Average DrawdownAverage peak-to-trough decline | -9.49% | -8.56% | -0.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.05% | 4.47% | +1.58% |
Volatility
SR vs. ATO - Volatility Comparison
Spire Inc. (SR) has a higher volatility of 5.63% compared to Atmos Energy Corporation (ATO) at 4.42%. This indicates that SR's price experiences larger fluctuations and is considered to be riskier than ATO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SR | ATO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.63% | 4.42% | +1.21% |
Volatility (6M)Calculated over the trailing 6-month period | 13.30% | 11.00% | +2.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.45% | 15.46% | +2.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.29% | 18.56% | +2.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.38% | 21.25% | +3.13% |
Dividends
SR vs. ATO - Dividend Comparison
SR's dividend yield for the trailing twelve months is around 4.29%, more than ATO's 2.28% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ATO Atmos Energy Corporation | 2.28% | 2.15% | 2.36% | 2.61% | 2.48% | 2.44% | 2.46% | 1.92% | 2.14% | 2.14% | 2.31% | 2.52% |
SR Spire Inc. | 4.29% | 3.85% | 4.50% | 4.68% | 4.03% | 4.04% | 3.93% | 2.88% | 3.08% | 2.84% | 3.09% | 3.15% |
Financials
SR vs. ATO - Financials Comparison
This section allows you to compare key financial metrics between Spire Inc. and Atmos Energy Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
SR and ATO have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SR has higher volatility (5.63%) compared to ATO (4.42%). In terms of maximum drawdown, SR dropped -45.00% vs ATO's -51.94%.
ATO currently has the higher Sharpe Ratio (0.84 vs 0.46), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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